1 IDENTIFICATION OF THE SUBSTANCE/ 6 ACCIDENTAL RELEASE MEASURES PREPARATION AND OF THE COMPANY Personal precautions Evacuate area. Use protective Product name Liquid Argon clothing. Wear self-contained Ar apparatus when entering area unless is proved Company see heading and/or footer to be safe. Ensure adequate air identification ventilation. Emergency see heading and/or footer Environmental Try to stop release. phone Nos precautions Prevent from entering sewers, basements and workpits, or any 2 COMPOSITION/INFORMATION ON place where its accumulation can INGREDIENTS be dangerous. Clean up methods Ventilate area. Substance/ Substance Preparation 7 HANDLING AND STORAGE Components/ Contains no other components or Impurities impurities which will influence the Handling and storage Suck back of into the classification of the product. container must be prevented. Do CAS Nr 07440-37-1 not allow backfeed into the EEC Nr 2311470 container. Use only properly (from EINECS) specified equipment which is suitable for this product, its supply pressure and temperature. 3 HAZARDS IDENTIFICATION Contact your supplier if in doubt. Refer to supplier’s Hazards identification Refrigerated liquefied gas. container handling instructions. Contact with product may cause Keep container below 50°C in a cold burns or frostbite. In high well ventilated place. concentrations may cause asphyxiation. 8 EXPOSURE CONTROLS/PERSONAL PROTECTION 4 FIRST AID MEASURES Personal protection Ensure adequate ventilation. Inhalation In high concentrations may cause Protect eyes, face and skin from asphyxiation. Symptoms may liquid splashes. include loss of mobility/ consciousness. Victim may not be aware of asphyxiation. Remove 9 PHYSICAL AND CHEMICAL PROPERTIES victim to uncontaminated area wearing self contained breathing Molecular weight 40 apparatus. Keep victim warm -189°C andrested. Call a doctor. Apply artificial respiration if breathing -186°C stopped. Critical temperature -122°C Skin/eye contact Immediately flush eyes thoroughly Relative , gas 1.38 (air=1) with water for at least 15 minutes. Relative density, 1.4 (water=1) In case of frostbite spray with liquid water for at least 15 minutes. Apply a sterile dressing. Obtain Vapour Pressure Not applicable medical assistance. 20°C Ingestion Ingestion is not considered a mg/l water 67 mg/l potential route of exposure. Appearance/Colour Colourless liquid Odour No odour warning properties 5 FIRE FIGHTING MEASURES Other data Gas/vapour heavier than air. May accumulate in confined spaces, Specific hazards Exposure to fire may cause particularly at or below ground containers to rupture/explode. level. Non flammable Hazardous 10 STABILITY AND REACTIVITY combustion products None Suitable All known extinguishants can Stability and Stable under normal conditions. extinguishing media be used. reactivity Liquid spillages can cause Specific methods If possible, stop flow of product. embrittlement of structural Move container away or cool with materials. water from a protected position. Special protective In confined space use self- 11 TOXICOLOGICAL INFORMATION equipment for contained breathing apparatus. fire fighters General No toxicological effects from this product.

12 ECOLOGICAL INFORMATION 16 OTHER INFORMATION SAFETY General Can cause frost damage to Ensure all national/local regulations are observed. DATA vegetation. The hazard of asphyxiation is often overlooked and must be stressed during operator training. SHEET 13 DISPOSAL CONSIDERATIONS Before using this product in any new process or experiment, a thorough material compatibility and safety study should be General Do not discharge into any place carried out. where its accumulation could be Details given in this document are believed to be correct at dangerous. the time of going to press. Whilst proper care has been Contact supplier if guidance is taken in the preparation of this document, no liability for required. injury or damage resulting from its use can be accepted.


UN Nr 1951 Pure Liquid Argon Class/Div 2.2 Specification Typical Analysis ADR/RID Item Nr 2,7a Argon 99.999% 99.9995% <2 vpm 1 vpm ADR/RID Hazard Nr 220 Moisture <1 vpm <1 vpm Tremcard Nr 17 Nitrogen <6 vpm 3 vpm Groupcard Nr 20g22 Carbon Dioxide 0.5 vpm Hydrocarbon 1 vpm Labelling ADR Label 2: non flammable non toxic 1 vpm gas 1 vpm Other transport Avoid transport on vehicles where 0.1 vpm information the load space is not separated 0.05 vpm from the driver’s compartment. Ensure vehicle driver is aware of Industrial Liquid Argon the potential hazards of the load Specification Typical Analysis and knows what to do in the event of an accident or an Argon 98% +- 0.4% 97.8% emergency. Before transporting Oxygen 1.6 - 2.4% 2% product containers ensure that Moisture <1 vpm <1 vpm they are firmly secured and: Nitrogen <0.4% <0.2% - adequate ventilation. Carbon Dioxide 1 vpm - compliance with applicable regu- Hydrocarbon 1 vpm lations. Carbon Monoxide Hydrogen 1 vpm Nitrous Oxide 1 vpm 15 REGULATORY INFORMATION Acetylene 1 vpm Number in Annex I Not included in Annex 1. of Dir 67/548 EC Classification Proposed by the industry Not classified as dangerous substance. Labelling of cylinders - Symbols Road transport symbols are used and selected according to the most stringent product classification - EC or ADR . Label 2: non flammable non toxic gas. - Risk phrases RAs Asphyxiant in high concentrations. RFb May cause frostbite. - Safety phrases S9 Keep container in well ventilated place. S23 Do not breathe the gas. S36A Use suitable protective equipment.

A member of The BOC The Stripe Symbol and the word BOC are BOC Group Trademarks. For product and safety enquiries please phone In the United Kingdom: In the Republic of Ireland: 0645 645 555 Dublin (01) 450 1444 (local call rate) BOC BOC Gases Priestley Road, Worsley P.O. Box 201 Manchester M28 2UT Bluebell, Dublin 12 Fax: 0161 728 4309 Fax: 01 450 7054 007304/SFT/BRUK/599/10M