n-Butyl Acrylate

Manufacturer: Sasol Chemicals, A Division of Sasol South Africa (Pty) Ltd Chemwatch Hazard Alert Code: 2

Chemwatch: 62-0270 Issue Date: 24/03/2016 Version No: 6.1.1.1 Print Date: 04/04/2016 Safety Data Sheet according to WHS and ADG requirements Initial Date: Not Available S.GHS.AUS.EN

SECTION 1 IDENTIFICATION OF THE SUBSTANCE / MIXTURE AND OF THE COMPANY / UNDERTAKING

Product Identifier

Product name n-Butyl Acrylate Proper shipping name BUTYL ACRYLATES, STABILIZED Other means of Not Available identification

Relevant identified uses of the substance or mixture and uses advised against

Relevant identified Industrial use. Raw material for synthesis processes in the chemical industry. uses

Details of the supplier of the safety data sheet

Registered company Manufacturer: Sasol Chemicals, A Division of Sasol South Africa Supplier: Sasol Chemicals Pacific Ltd name (Pty) Ltd 2 Shenton Way #06-01 SGX Centre 1 068804 Address 1 Sturdee Avenue, Rosebank 2196 South Africa Singapore

Telephone +27 (0)11 441 3111 +65 6533 8856 Fax +27 11 280 0198 +65 6533 8869 Website www.sasol.com www.sasol.com Email [email protected] [email protected]

Emergency telephone number

Association / Not Available Not Available Organisation Emergency telephone +27 (0)17 610 4444 +65 3158 1074 numbers Other emergency +44 (0)1235 239 670 +44 (0)1235 239 671 telephone numbers

SECTION 2 HAZARDS IDENTIFICATION

Classification of the substance or mixture

Poisons Schedule Not Applicable Flammable Liquid Category 3, Acute Toxicity (Inhalation) Category 4, Skin Corrosion/Irritation Category 2, Eye Irritation Classification [1] Category 2A, Skin Sensitizer Category 1, Specific target organ toxicity - single exposure Category 3 (respiratory tract irritation) 1. Classified by Chemwatch; 2. Classification drawn from HSIS ; 3. Classification drawn from EC Directive 1272/2008 - Annex Legend: VI

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Label elements

GHS label elements

SIGNAL WORD WARNING

Hazard statement(s)

H226 Flammable liquid and vapour. H332 Harmful if inhaled.

H315 Causes skin irritation. H319 Causes serious eye irritation.

H317 May cause an allergic skin reaction. H335 May cause respiratory irritation.

Precautionary statement(s) Prevention

P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking.

P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/intrinsically safe equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace.

Precautionary statement(s) Response

P362 Take off contaminated clothing and wash before reuse. P363 Wash contaminated clothing before reuse. P370+P378 In case of fire: Use alcohol resistant foam or normal protein foam for extinction. P302+P352 IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue P305+P351+P338 rinsing.

P312 Call a POISON CENTER or doctor/physician if you feel unwell. P333+P313 If skin irritation or rash occurs: Get medical advice/attention. P337+P313 If eye irritation persists: Get medical advice/attention.

P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.

Precautionary statement(s) Storage

P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.

Precautionary statement(s) Disposal

P501 Dispose of contents/container in accordance with local regulations.

SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS

Substances See section below for composition of Mixtures

Mixtures

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CAS No %[weight] Name 141-32-2 99.5 butyl acrylate

stabilising inhibitor, may be 150-76-5 0.0015 4-methoxyphenol (MEHQ)

SECTION 4 FIRST AID MEASURES

Description of first aid measures

If this product comes in contact with the eyes: Wash out immediately with fresh running water. Ensure complete irrigation of the eye by keeping eyelids apart and away from eye and moving the eyelids by occasionally Eye Contact lifting the upper and lower lids. Seek medical attention without delay; if pain persists or recurs seek medical attention. Removal of contact lenses after an eye injury should only be undertaken by skilled personnel.

If skin contact occurs: Immediately remove all contaminated clothing, including footwear. Skin Contact Flush skin and hair with running water (and soap if available). Seek medical attention in event of irritation.

If fumes or combustion products are inhaled remove from contaminated area. Lay patient down. Keep warm and rested. Prostheses such as false teeth, which may block airway, should be removed, where possible, prior to initiating first aid Inhalation procedures. Apply artificial respiration if not breathing, preferably with a demand valve resuscitator, bag-valve mask device, or pocket mask as trained. Perform CPR if necessary. Transport to hospital, or doctor, without delay.

If swallowed do NOT induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain open airway and prevent aspiration. Observe the patient carefully. Never give liquid to a person showing signs of being sleepy or with reduced awareness; i.e. becoming unconscious. Ingestion Give water to rinse out mouth, then provide liquid slowly and as much as casualty can comfortably drink. Seek medical advice. Avoid giving milk or oils. Avoid giving alcohol. If spontaneous vomiting appears imminent or occurs, hold patient's head down, lower than their hips to help avoid possible aspiration of vomitus.

Indication of any immediate medical attention and special treatment needed Treat symptomatically. As in all cases of suspected poisoning, follow the ABCDEs of emergency medicine (airway, breathing, circulation, disability, exposure), then the ABCDEs of toxicology (antidotes, basics, change absorption, change distribution, change elimination). For poisons (where specific treatment regime is absent): ------BASIC TREATMENT ------Establish a patent airway with suction where necessary. Watch for signs of respiratory insufficiency and assist ventilation as necessary. Administer oxygen by non-rebreather mask at 10 to 15 L/min. Monitor and treat, where necessary, for pulmonary oedema. Monitor and treat, where necessary, for shock. Anticipate seizures. DO NOT use emetics. Where ingestion is suspected rinse mouth and give up to 200 ml water (5 ml/kg recommended) for dilution where patient is able to swallow, has a strong gag reflex and does not drool. ------ADVANCED TREATMENT ------Consider orotracheal or nasotracheal intubation for airway control in unconscious patient or where respiratory arrest has occurred. Positive-pressure ventilation using a bag-valve mask might be of use. Monitor and treat, where necessary, for arrhythmias. Start an IV D5W TKO. If signs of hypovolaemia are present use lactated Ringers solution. Fluid overload might create complications. Drug therapy should be considered for pulmonary oedema. Hypotension with signs of hypovolaemia requires the cautious administration of fluids. Fluid overload might create complications. Treat seizures with diazepam. Proparacaine hydrochloride should be used to assist eye irrigation. BRONSTEIN, A.C. and CURRANCE, P.L. EMERGENCY CARE FOR HAZARDOUS MATERIALS EXPOSURE: 2nd Ed. 1994

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SECTION 5 FIREFIGHTING MEASURES

Extinguishing media Alcohol stable foam. Dry chemical powder. BCF (where regulations permit). Carbon dioxide. Water spray or fog - Large fires only.

Special hazards arising from the substrate or mixture

Avoid contamination with oxidising agents i.e. nitrates, oxidising acids, chlorine bleaches, pool chlorine etc. as ignition may Fire Incompatibility result

Advice for firefighters

Alert Fire Brigade and tell them location and nature of hazard. May be violently or explosively reactive. Wear breathing apparatus plus protective gloves. Prevent, by any means available, spillage from entering drains or water course. If safe, switch off electrical equipment until vapour fire hazard removed. Fire Fighting Use water delivered as a fine spray to control fire and cool adjacent area. Avoid spraying water onto liquid pools. DO NOT approach containers suspected to be hot. Cool fire exposed containers with water spray from a protected location. If safe to do so, remove containers from path of fire. Liquid and vapour are flammable. Moderate fire hazard when exposed to heat or flame. Vapour forms an explosive mixture with air. Moderate explosion hazard when exposed to heat or flame. Fire/Explosion Hazard Vapour may travel a considerable distance to source of ignition. Heating may cause expansion or decomposition leading to violent rupture of containers. On combustion, may emit toxic fumes of carbon monoxide (CO). Combustion products include:, carbon dioxide (CO2), carbon monoxide (CO), nitrogen oxides (NOx), other pyrolysis products typical of burning organic material|Heat from a fire may cause a polymerization reaction which can be explosive.

SECTION 6 ACCIDENTAL RELEASE MEASURES

Personal precautions, protective equipment and emergency procedures

Remove all ignition sources. Clean up all spills immediately. Avoid breathing vapours and contact with skin and eyes. Minor Spills Control personal contact with the substance, by using protective equipment. Contain and absorb small quantities with vermiculite or other absorbent material. Wipe up. Collect residues in a flammable waste container. Clear area of personnel and move upwind. Alert Fire Brigade and tell them location and nature of hazard. May be violently or explosively reactive. Wear breathing apparatus plus protective gloves. Prevent, by any means available, spillage from entering drains or water course. Major Spills No smoking, naked lights or ignition sources. Increase ventilation. Stop leak if safe to do so. Water spray or fog may be used to disperse / absorb vapour. Contain spill with sand, earth or vermiculite.

Personal Protective Equipment advice is contained in Section 8 of the SDS.

SECTION 7 HANDLING AND STORAGE

Precautions for safe handling

Most acrylic monomers have low viscosity therefore pouring, material transfer and processing of these materials do not necessitate heating. Safe handling Viscous monomers may require heating to facilitate handling. To facilitate product transfer from original containers, product must be heated to no more than 60 deg. C. (140 F.), for not more than 24 hours. Do NOT use localised heat sources such as band heaters to heat/ melt product.

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Do NOT use steam . Hot boxes or hot rooms are recommended for heating/ melting material. The hot box or hot room should be set a maximum temperature of 60 deg. C. (140 F.). Do NOT overheat - this may compromise product quality and /or result in an uncontrolled hazardous polymerisation. Containers, even those that have been emptied, may contain explosive vapours. Do NOT cut, drill, grind, weld or perform similar operations on or near containers. DO NOT allow clothing wet with material to stay in contact with skin Avoid all personal contact, including inhalation. Wear protective clothing when risk of overexposure occurs. Use in a well-ventilated area. Prevent concentration in hollows and sumps. DO NOT enter confined spaces until atmosphere has been checked. Avoid smoking, naked lights or ignition sources. Avoid generation of static electricity. DO NOT use plastic buckets. Earth all lines and equipment. Use spark-free tools when handling. Store in original containers in approved flammable liquid storage area. Store away from incompatible materials in a cool, dry, well-ventilated area. DO NOT store in pits, depressions, basements or areas where vapours may be trapped. No smoking, naked lights, heat or ignition sources. Storage areas should be clearly identified, well illuminated, clear of obstruction and accessible only to trained and authorised personnel - adequate security must be provided so that unauthorised personnel do not have access. Store according to applicable regulations for flammable materials for storage tanks, containers, piping, buildings, rooms, cabinets, allowable quantities and minimum storage distances. Use non-sparking ventilation systems, approved explosion proof equipment and intrinsically safe electrical systems. Other information Have appropriate extinguishing capability in storage area (e.g. portable fire extinguishers - dry chemical, foam or carbon dioxide) and flammable gas detectors. Keep adsorbents for leaks and spills readily available. Protect containers against physical damage and check regularly for leaks. Polymerisation may occur slowly at room temperature. Storage requires stabilising inhibitor content and dissolved oxygen content to be monitored. Refer to manufacturer's recommended levels. DO NOT overfill containers so as to maintain free head space above product. Blanketing or sparging with nitrogen or oxygen free gas will deactivate stabiliser. Store below 38 deg. C.

Conditions for safe storage, including any incompatibilities

Packing as supplied by manufacturer. Plastic containers may only be used if approved for flammable liquid. Check that containers are clearly labelled and free from leaks. For low viscosity materials (i) : Drums and jerry cans must be of the non-removable head type. (ii) : Where a can is to be used as an inner package, the can must have a screwed enclosure. For materials with a viscosity of at least 2680 cSt. (23 deg. C) For manufactured product having a viscosity of at least 250 cSt. (23 deg. C) Suitable container Manufactured product that requires stirring before use and having a viscosity of at least 20 cSt (25 deg. C): (i) Removable head packaging; (ii) Cans with friction closures and (iii) low pressure tubes and cartridges may be used. Where combination packages are used, and the inner packages are of glass, there must be sufficient inert cushioning material in contact with inner and outer packages In addition, where inner packagings are glass and contain liquids of packing group I there must be sufficient inert absorbent to absorb any spillage, unless the outer packaging is a close fitting moulded plastic box and the substances are not incompatible with the plastic. For acrylic and methacrylic acid esters: Avoid contact with strong acids, strong alkalies, oxidising agents, polymerisation initiators (peroxides, persulfates), iron or rust Avoid heat, flame, sunlight, x-rays or ultra-violet radiation. Polymerisation may occur at elevated temperature and in presence of ignition sources - polymerisation of large quantities may be violent (even explosive) Store below 38 deg. C. Storage Avoid any contamination of this material as it is very reactive and any contamination is potentially hazardous incompatibility Stable under controlled storage conditions provided material contains adequate stabiliser / polymerisation inhibitor. Bulk storages may have special storage requirements WARNING: Gradual decomposition in strong, sealed containers may lead to a large pressure build-up and subsequent explosion. Rapid and violent polymerisation possible at temperatures above 32 deg c. Contamination with polymerisation catalysts - peroxides, persulfates, oxidising agents - also strong acids, strong alkalies, will cause polymerisation with exotherm - generation of heat. Polymerisation of large quantities may be violent - even explosive.

SECTION 8 EXPOSURE CONTROLS / PERSONAL PROTECTION

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Control parameters

OCCUPATIONAL EXPOSURE LIMITS (OEL)

INGREDIENT DATA

Source Ingredient Material name TWA STEL Peak Notes Australia Exposure butyl acrylate n-Butyl acrylate 5 mg/m3 / 1 ppm 26 mg/m3 / 5 ppm Not Available Not Available Standards Australia Exposure 4-methoxyphenol (MEHQ) 4-Methoxyphenol 5 mg/m3 Not Available Not Available Not Available Standards

EMERGENCY LIMITS

Ingredient Material name TEEL-1 TEEL-2 TEEL-3 butyl acrylate Butyl acrylate, n- Not Available Not Available Not Available 4-methoxyphenol Methoxyphenol, p- 15 mg/m3 18 mg/m3 320 mg/m3 (MEHQ)

Ingredient Original IDLH Revised IDLH butyl acrylate Not Available Not Available

4-methoxyphenol Not Available Not Available (MEHQ)

Exposure controls

Engineering controls are used to remove a hazard or place a barrier between the worker and the hazard. Well-designed engineering controls can be highly effective in protecting workers and will typically be independent of worker interactions to provide this high level of protection. The basic types of engineering controls are: Process controls which involve changing the way a job activity or process is done to reduce the risk. Enclosure and/or isolation of emission source which keeps a selected hazard "physically" away from the worker and ventilation that strategically "adds" and "removes" air in the work environment. Ventilation can remove or dilute an air Appropriate contaminant if designed properly. The design of a ventilation system must match the particular process and chemical or engineering controls contaminant in use. Employers may need to use multiple types of controls to prevent employee overexposure.

For flammable liquids and flammable gases, local exhaust ventilation or a process enclosure ventilation system may be required. Ventilation equipment should be explosion-resistant. Air contaminants generated in the workplace possess varying "escape" velocities which, in turn, determine the "capture velocities" of fresh circulating air required to effectively remove the contaminant.

Personal protection

Safety glasses with side shields. Chemical goggles. Contact lenses may pose a special hazard; soft contact lenses may absorb and concentrate irritants. A written policy document, describing the wearing of lenses or restrictions on use, should be created for each workplace or task. This should Eye and face include a review of lens absorption and adsorption for the class of chemicals in use and an account of injury experience. protection Medical and first-aid personnel should be trained in their removal and suitable equipment should be readily available. In the event of chemical exposure, begin eye irrigation immediately and remove contact lens as soon as practicable. Lens should be removed at the first signs of eye redness or irritation - lens should be removed in a clean environment only after workers have washed hands thoroughly. [CDC NIOSH Current Intelligence Bulletin 59], [AS/NZS 1336 or national equivalent]

Skin protection See Hand protection below NOTE: The material may produce skin sensitisation in predisposed individuals. Care must be taken, when removing gloves and other protective equipment, to avoid all possible skin contact. Contaminated leather items, such as shoes, belts and watch-bands should be removed and destroyed. The selection of suitable gloves does not only depend on the material, but also on further marks of quality which vary from manufacturer to manufacturer. Where the chemical is a preparation of several substances, the resistance of the glove Hands/feet protection material can not be calculated in advance and has therefore to be checked prior to the application. The exact break through time for substances has to be obtained from the manufacturer of the protective gloves and.has to be observed when making a final choice. Suitability and durability of glove type is dependent on usage. Important factors in the selection of gloves include: frequency and duration of contact, chemical resistance of glove material,

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glove thickness and dexterity Select gloves tested to a relevant standard (e.g. Europe EN 374, US F739, AS/NZS 2161.1 or national equivalent). When prolonged or frequently repeated contact may occur, a glove with a protection class of 5 or higher (breakthrough time greater than 240 minutes according to EN 374, AS/NZS 2161.10.1 or national equivalent) is recommended. When only brief contact is expected, a glove with a protection class of 3 or higher (breakthrough time greater than 60 minutes according to EN 374, AS/NZS 2161.10.1 or national equivalent) is recommended. Some glove polymer types are less affected by movement and this should be taken into account when considering gloves for long-term use. Contaminated gloves should be replaced. Gloves must only be worn on clean hands. General warning: Do NOT use latex gloves! Use only recommended gloves - using the wrong gloves may increase the risk:

Use of thin nitrile rubber gloves: Exposure condition Nitrile rubber (0.1 mm) Short time use; (few minutes less than Excellent tactibility ("feel"), powder-free 0.5 hour) Disposable Little physical stress Inexpensive Give adequate protection to low molecular weigh acrylic monomers Use of medium thick nitrile rubber gloves Nitrile rubber, NRL (latex) free; <0.45 mm Exposure condition Moderate tactibility ("feel"), powder-free Medium time use; Disposable less than 4 hours Moderate price Physical stress (opening drums, using Gives adequate protection for most acrylates up to 4 hours tools, etc.) Do NOT give adequate protection to low molecular weight monomers at exposures longer than 1 hour Nitrile rubber, NRL (latex) free; >0.56 mm low tactibility ("feel"), powder free High price Exposure condition Gives adequate protection for most acrylates in combination with commonly used Long time solvents up to 8 hours Cleaning operations Do NOT give adequate protection to low molecular weight monomers at exposures longer than 1 hour Avoid use of ketones and acetates in wash-up solutions.

Where none of this gloves ensure safe handling (for example in long term handling of acrylates containing high levels of acetates and/ or ketones, use laminated multilayer gloves. Guide to the Classification and Labelling of UV/EB Acrylates Third edition, 231 October 2007 - Cefic Body protection See Other protection below Overalls. PVC Apron. PVC protective suit may be required if exposure severe. Eyewash unit. Ensure there is ready access to a safety shower. · Some plastic personal protective equipment (PPE) (e.g. gloves, aprons, overshoes) are not recommended as they may produce static electricity. Other protection · For large scale or continuous use wear tight-weave non-static clothing (no metallic fasteners, cuffs or pockets). · Non sparking safety or conductive footwear should be considered. Conductive footwear describes a boot or shoe with a sole made from a conductive compound chemically bound to the bottom components, for permanent control to electrically ground the foot an shall dissipate static electricity from the body to reduce the possibility of ignition of volatile compounds. Electrical resistance must range between 0 to 500,000 ohms. Conductive shoes should be stored in lockers close to the room in which they are worn. Personnel who have been issued conductive footwear should not wear them from their place of work to their homes and return.

Thermal hazards Not Available

Respiratory protection Type A-P Filter of sufficient capacity. (AS/NZS 1716 & 1715, EN 143:2000 & 149:2001, ANSI Z88 or national equivalent)

SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES

Information on basic physical and chemical properties

Appearance Colourless liquid, stinging odour.

Relative density Physical state Liquid 0.90 (Water = 1)

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Partition coefficient Odour Not Available Not Available n-octanol / water

Auto-ignition Odour threshold Not Available 292 temperature (°C) Decomposition pH (as supplied) Not Available Not Available temperature

Melting point / -65 Viscosity (cSt) 0.8 @ 25 deg C freezing point (°C) Initial boiling point Molecular weight 148 128.17 and boiling range (°C) (g/mol)

Flash point (°C) 39 Taste Not Available Evaporation rate < 1 BuAc=1 Explosive properties Not Available

Flammability Flammable. Oxidising properties Not Available Upper Explosive Limit Surface Tension 8 Not Available (%) (dyn/cm or mN/m)

Lower Explosive Limit Volatile Component 1.2 100 (%) (%vol)

Vapour pressure (kPa) 0.44 @ 20 deg C Gas group Not Available Solubility in water Partly miscible pH as a solution (1%) Not Applicable (g/L)

Vapour density (Air = 4.42 VOC g/L Not Available 1)

SECTION 10 STABILITY AND REACTIVITY

Reactivity See section 7 Polymerisation may occur at elevated temperatures. Polymerisation may be accompanied by generation of heat as exotherm. Process is self accelerating as heating causes more rapid polymerisation. Exotherm may cause boiling with generation of acrid, toxic and flammable vapour. Chemical stability Polymerisation and exotherm may be violent if contamination with strong acids, amines or catalysts occurs. Polymerisation and exotherm of material in bulk may be uncontrollable and result in rupture of storage tanks. Polymerisation may occur if stabilising inhibitor becomes depleted by aging. Stabilising inhibitor requires dissolved oxygen to be present in liquid for effective action. Specific storage requirements must be met for stability on ageing and transport.

Possibility of See section 7 hazardous reactions Conditions to avoid See section 7 Incompatible materials See section 7 Hazardous decomposition See section 5 products

SECTION 11 TOXICOLOGICAL INFORMATION

Information on toxicological effects

The material can cause respiratory irritation in some persons. The body's response to such irritation can cause further lung damage. Inhalation of vapours may cause drowsiness and dizziness. This may be accompanied by sleepiness, reduced alertness, loss of reflexes, lack of co-ordination, and vertigo. Inhalation of vapours or aerosols (mists, fumes), generated by the material during the course of normal handling, may be Inhaled harmful. Inhalation hazard is increased at higher temperatures. If exposure to highly concentrated vapour atmosphere is prolonged this may lead to narcosis, unconsciousness, even coma and unless resuscitated - death. |Some exposures may show sudden severe headache. Inhalation exposure of rats to maternally toxic concentrations produced signs of embryotoxicity but not of foetotoxicity or teratogenicity.

Ingestion Accidental ingestion of the material may be damaging to the health of the individual. The material may accentuate any pre-existing dermatitis condition Repeated exposure may cause skin cracking, flaking or drying following normal handling and use. Skin Contact Skin contact with the material may damage the health of the individual; systemic effects may result following absorption. Open cuts, abraded or irritated skin should not be exposed to this material

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Entry into the blood-stream, through, for example, cuts, abrasions or lesions, may produce systemic injury with harmful effects. Examine the skin prior to the use of the material and ensure that any external damage is suitably protected. The material may cause mild but significant inflammation of the skin either following direct contact or after a delay of some time. Repeated exposure can cause contact dermatitis which is characterised by redness, swelling and blistering. Irritation of the eyes may produce a heavy secretion of tears (lachrymation). Evidence exists, or practical experience predicts, that the material may cause eye irritation in a substantial number of individuals. Prolonged eye contact may cause inflammation characterised by a temporary redness of the conjunctiva (similar Eye to windburn). |When applied to unwashed rabbit eyes n-butyl methacrylate produced corneal necrosis similar to that produced by ethyl alcohol. Long-term exposure to respiratory irritants may result in disease of the airways involving difficult breathing and related systemic problems. Skin contact with the material is more likely to cause a sensitisation reaction in some persons compared to the general population. Substance accumulation, in the human body, may occur and may cause some concern following repeated or long-term occupational exposure. Chronic There is some evidence that inhaling this product is more likely to cause a sensitisation reaction in some persons compared to the general population. Based on experience with animal studies, there is a possibility that exposure to the material may result in toxic effects to the development of the foetus, at levels which do not cause significant toxic effects to the mother. Chronic solvent inhalation exposures may result in nervous system impairment and liver and blood changes. [PATTYS] Sensitisation may give severe responses to very low levels of exposure, i.e. hypersensitivity.

TOXICITY IRRITATION n-Butyl Acrylate Not Available Not Available

TOXICITY IRRITATION

Dermal (rabbit) LD50: 1800 mg/kg[2] Eye (rabbit) 50 mg - mild butyl acrylate Inhalation (rat) LC50: 2730 ppm/4H[2] Skin (rabbit) 10 mg/24h open mild

Oral (rat) LD50: 900 mg/kg.d[2] Skin (rabbit) 500 mg open - mild

TOXICITY IRRITATION 4-methoxyphenol dermal (rat) LD50: >2000 mg/kg[1] Skin (rabbit): 6000 mg/12d-I mild (MEHQ) Oral (rat) LD50: 1000-2000 mg/kg[1]

Legend: 1. Value obtained from Europe ECHA Registered Substances - Acute toxicity 2.* Value obtained from manufacturer's SDS. Unless otherwise specified data extracted from RTECS - Register of Toxic Effect of chemical Substances

The following information refers to contact allergens as a group and may not be specific to this product. Contact allergies quickly manifest themselves as contact eczema, more rarely as urticaria or Quincke's oedema. The pathogenesis of contact eczema involves a cell-mediated (T lymphocytes) immune reaction of the delayed type. Other allergic skin reactions, e.g. contact urticaria, involve antibody-mediated immune reactions. The significance of the contact 4-METHOXYPHENOL allergen is not simply determined by its sensitisation potential: the distribution of the substance and the opportunities for (MEHQ) contact with it are equally important. A weakly sensitising substance which is widely distributed can be a more important allergen than one with stronger sensitising potential with which few individuals come into contact. From a clinical point of view, substances are noteworthy if they produce an allergic test reaction in more than 1% of the persons tested. The material may cause skin irritation after prolonged or repeated exposure and may produce on contact skin redness, swelling, the production of vesicles, scaling and thickening of the skin. The following information refers to contact allergens as a group and may not be specific to this product. Contact allergies quickly manifest themselves as contact eczema, more rarely as urticaria or Quincke's oedema. The pathogenesis of contact eczema involves a cell-mediated (T lymphocytes) immune reaction of the delayed type. Other allergic skin reactions, e.g. contact urticaria, involve antibody-mediated immune reactions. The significance of the contact allergen is not simply determined by its sensitisation potential: the distribution of the substance and the opportunities for contact with it are equally important. A weakly sensitising substance which is widely distributed can be a more important allergen than one with stronger sensitising potential with which few individuals come into contact. From a clinical point of view, substances are noteworthy if they produce an allergic test reaction in more than 1% of the persons tested. n-Butyl Acrylate & BUTYL ACRYLATE Asthma-like symptoms may continue for months or even years after exposure to the material ceases. This may be due to a non-allergenic condition known as reactive airways dysfunction syndrome (RADS) which can occur following exposure to high levels of highly irritating compound. Key criteria for the diagnosis of RADS include the absence of preceding respiratory disease, in a non-atopic individual, with abrupt onset of persistent asthma-like symptoms within minutes to hours of a documented exposure to the irritant. A reversible airflow pattern, on spirometry, with the presence of moderate to severe bronchial hyperreactivity on methacholine challenge testing and the lack of minimal lymphocytic inflammation, without eosinophilia, have also been included in the criteria for diagnosis of RADS. RADS (or asthma) following an irritating inhalation is an infrequent disorder with rates related to the concentration of and duration of exposure to the irritating substance.

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Industrial bronchitis, on the other hand, is a disorder that occurs as result of exposure due to high concentrations of irritating substance (often particulate in nature) and is completely reversible after exposure ceases. The disorder is characterised by dyspnea, cough and mucus production. Where no "official" classification for acrylates and methacrylates exists, there has been cautious attempts to create classifications in the absence of contrary evidence. For example Monalkyl or monoarylesters of acrylic acids should be classified as R36/37/38 and R51/53 Monoalkyl or monoaryl esters of methacrylic acid should be classified as R36/37/38 for n-butyl acrylate Acute toxicity: After oral administration, n-butyl acrylate is rapidly absorbed and metabolized in male rats (75% was eliminated as CO2, approximately 10% via urine and 2% via feces). The major portion of n-butyl acrylate was hydrolysed by carboxyesterase to acrylic acid and butanol. Following acute exposure, n-butyl acrylate exhibits low toxicity. n-Butyl acrylate has oral LD50s of 3143 mg/kg bw (rats) and 9050 mg/kg bw (male rats), an inhalation LC50 (4-hour, rat) of 10.3 mg/L and a dermal LD50 (rabbit) of 2000 to 3024 mg/kg. n-Butyl acrylate is irritating to skin and eyes and showed a skin sensitising potential in animals. In humans, skin sensitisation to butyl acrylate was reported. Patch test concentration ranged from 0.1 to 0.5%. 6 out of 124 patients were positive, but the author stated that those results should be interpreted with caution, due to clinical history of the patients and purity of the different tested acrylates. Another publication describes that a data collection of 82 patients between 1987 and 1992 suspected of occupational acrylic sensitisation, showed in the patch test with 1% in petrolatum 2 patients to be sensitised to n-butyl acrylate Repeat dose toxicity: In an oral (drinking water) 90-day study in rats, using a satellite group (gavage) at 150 mg/kg bw/day, the only effects reported were a slight reduction in water consumption in all dose groups and a decrease in weight gain in the highest dose group. The NOAEL (males) = 84 mg/kg/bw/day and NOAEL (females) = 111 mg/kg/bw/day. The substance is classified by IARC as Group 3: NOT classifiable as to its carcinogenicity to humans. Evidence of carcinogenicity may be inadequate or limited in animal testing. Based on the available oncogenicity data and without a better understanding of the carcinogenic mechanism the Health and Environmental Review Division (HERD), Office of Toxic Substances (OTS), of the US EPA previously concluded that all chemicals that contain the acrylate or methacrylate moiety (CH2=CHCOO or CH2=C(CH3)COO) should be considered to be a carcinogenic hazard unless shown otherwise by adequate testing. This position has now been revised and acrylates and methacrylates are no longer de facto carcinogens.

Acute Toxicity Carcinogenicity Skin Reproductivity Irritation/Corrosion Serious Eye STOT - Single Damage/Irritation Exposure Respiratory or Skin STOT - Repeated sensitisation Exposure Mutagenicity Aspiration Hazard

Legend: – Data available but does not fill the criteria for classification – Data required to make classification available – Data Not Available to make classification

SECTION 12 ECOLOGICAL INFORMATION

Toxicity

Ingredient Endpoint Test Duration (hr) Species Value Source butyl acrylate EC50 96 Algae or other aquatic plants 1.023mg/L 3 butyl acrylate LC50 96 Fish 1.1mg/L 2 butyl acrylate EC50 48 Crustacea 1.3mg/L 2 butyl acrylate EC50 504 Crustacea 0.5mg/L 2 butyl acrylate NOEC 504 Crustacea 0.136mg/L 2 4-methoxyphenol LC50 96 Fish 28.5mg/L 2 (MEHQ) 4-methoxyphenol EC50 48 Crustacea 3mg/L 2 (MEHQ) 4-methoxyphenol EC50 504 Crustacea 1.42mg/L 2 (MEHQ) 4-methoxyphenol NOEC 504 Crustacea 0.68mg/L 2 (MEHQ) 4-methoxyphenol EC50 72 Algae or other aquatic plants 19mg/L 2 (MEHQ)

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Extracted from 1. IUCLID Toxicity Data 2. Europe ECHA Registered Substances - Ecotoxicological Information - Aquatic Toxicity 3. EPIWIN Suite V3.12 - Aquatic Toxicity Data (Estimated) 4. US EPA, Ecotox database - Aquatic Toxicity Data 5. ECETOC Legend: Aquatic Hazard Assessment Data 6. NITE (Japan) - Bioconcentration Data 7. METI (Japan) - Bioconcentration Data 8. Vendor Data

DO NOT discharge into sewer or waterways.

Persistence and degradability

Ingredient Persistence: Water/Soil Persistence: Air butyl acrylate LOW (Half-life = 14 days) LOW (Half-life = 0.96 days) 4-methoxyphenol LOW LOW (MEHQ)

Bioaccumulative potential

Ingredient Bioaccumulation butyl acrylate LOW (LogKOW = 2.36)

4-methoxyphenol LOW (LogKOW = 1.58) (MEHQ)

Mobility in soil

Ingredient Mobility butyl acrylate LOW (KOC = 40.3) 4-methoxyphenol LOW (KOC = 190.8) (MEHQ)

SECTION 13 DISPOSAL CONSIDERATIONS

Waste treatment methods

Containers may still present a chemical hazard/ danger when empty. Return to supplier for reuse/ recycling if possible. Otherwise: If container can not be cleaned sufficiently well to ensure that residuals do not remain or if the container cannot be used to store the same product, then puncture containers, to prevent re-use, and bury at an authorised landfill. Where possible retain label warnings and SDS and observe all notices pertaining to the product. Legislation addressing waste disposal requirements may differ by country, state and/ or territory. Each user must refer to laws operating in their area. In some areas, certain wastes must be tracked. A Hierarchy of Controls seems to be common - the user should investigate: Reduction Reuse Recycling Disposal (if all else fails) Product / Packaging This material may be recycled if unused, or if it has not been contaminated so as to make it unsuitable for its intended use. disposal If it has been contaminated, it may be possible to reclaim the product by filtration, distillation or some other means. Shelf life considerations should also be applied in making decisions of this type. Note that properties of a material may change in use, and recycling or reuse may not always be appropriate. DO NOT allow wash water from cleaning or process equipment to enter drains. It may be necessary to collect all wash water for treatment before disposal. In all cases disposal to sewer may be subject to local laws and regulations and these should be considered first. Where in doubt contact the responsible authority. Recycle wherever possible. Consult manufacturer for recycling options or consult local or regional waste management authority for disposal if no suitable treatment or disposal facility can be identified. Dispose of by: burial in a land-fill specifically licenced to accept chemical and / or pharmaceutical wastes or Incineration in a licenced apparatus (after admixture with suitable combustible material). Decontaminate empty containers. Observe all label safeguards until containers are cleaned and destroyed.

SECTION 14 TRANSPORT INFORMATION

Labels Required

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Marine Pollutant NO

HAZCHEM 3W

Land transport (ADG)

UN number 2348 Packing group III

UN proper shipping BUTYL ACRYLATES, STABILIZED name Environmental hazard Not Applicable

Transport hazard Class 3 class(es) Subrisk Not Applicable

Special precautions Special provisions Not Applicable for user Limited quantity 5 L

Air transport (ICAO-IATA / DGR)

UN number 2348 Packing group III UN proper shipping Butyl acrylates, stabilized name Environmental hazard Not Applicable

ICAO/IATA Class 3 Transport hazard ICAO / IATA Subrisk Not Applicable class(es) ERG Code 3L

Special provisions Not Applicable Cargo Only Packing Instructions 366 Cargo Only Maximum Qty / Pack 220 L Special precautions Passenger and Cargo Packing Instructions 355 for user Passenger and Cargo Maximum Qty / Pack 60 L Passenger and Cargo Limited Quantity Packing Instructions Y344 Passenger and Cargo Limited Maximum Qty / Pack 10 L

Sea transport (IMDG-Code / GGVSee)

UN number 2348 Packing group III UN proper shipping BUTYL ACRYLATES, STABILIZED name Environmental hazard Not Applicable

Transport hazard IMDG Class 3 class(es) IMDG Subrisk Not Applicable

EMS Number F-E, S-D Special precautions Special provisions Not Applicable for user Limited Quantities 5 L

Transport in bulk according to Annex II of MARPOL and the IBC code

Source Product name Pollution Category Ship Type

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IMO MARPOL (Annex II) - List of Noxious Liquid Butyl acrylate (all isomers) Y 2 Substances Carried in Bulk

SECTION 15 REGULATORY INFORMATION

Safety, health and environmental regulations / legislation specific for the substance or mixture

BUTYL ACRYLATE(141-32-2) IS FOUND ON THE FOLLOWING REGULATORY LISTS Australia Exposure Standards Australia Inventory of Chemical Substances (AICS) Australia Hazardous Substances Information System - Consolidated Lists International Agency for Research on Cancer (IARC) - Agents Classified by the IARC Monographs

4-METHOXYPHENOL (MEHQ)(150-76-5) IS FOUND ON THE FOLLOWING REGULATORY LISTS Australia Exposure Standards Australia Inventory of Chemical Substances (AICS) Australia Hazardous Substances Information System - Consolidated Lists

National Inventory Status Australia - AICS Y Canada - DSL Y

Canada - NDSL N (butyl acrylate; 4-methoxyphenol (MEHQ)) China - IECSC Y Europe - EINEC / Y ELINCS / NLP Japan - ENCS N (4-methoxyphenol (MEHQ)) Korea - KECI Y New Zealand - NZIoC Y Philippines - PICCS Y USA - TSCA Y Y = All ingredients are on the inventory Legend: N = Not determined or one or more ingredients are not on the inventory and are not exempt from listing(see specific ingredients in brackets)

SECTION 16 OTHER INFORMATION

Other information Classification of the preparation and its individual components has drawn on official and authoritative sources as well as independent review by the Chemwatch Classification committee using available literature references. A list of reference resources used to assist the committee may be found at: www.chemwatch.net

The SDS is a Hazard Communication tool and should be used to assist in the Risk Assessment. Many factors determine whether the reported Hazards are Risks in the workplace or other settings. Risks may be determined by reference to Exposures Scenarios. Scale of use, frequency of use and current or available engineering controls must be considered.

Definitions and abbreviations PC－TWA: Permissible Concentration-Time Weighted Average PC－STEL: Permissible Concentration-Short Term Exposure Limit IARC: International Agency for Research on Cancer ACGIH: American Conference of Governmental Industrial Hygienists STEL: Short Term Exposure Limit TEEL: Temporary Emergency Exposure Limit。 IDLH: Immediately Dangerous to Life or Health Concentrations OSF: Odour Safety Factor NOAEL :No Observed Adverse Effect Level LOAEL: Lowest Observed Adverse Effect Level TLV: Threshold Limit Value LOD: Limit Of Detection OTV: Odour Threshold Value BCF: BioConcentration Factors BEI: Biological Exposure Index

This document is copyright. Apart from any fair dealing for the purposes of private study, research, review or criticism, as permitted under the Copyright Act, no part may be

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reproduced by any process without written permission from CHEMWATCH. TEL (+61 3) 9572 4700.

end of SDS