Ammonium Iron (II) Sulfate

Safety Data Sheet According to EC Directive 91/155/EEC Date of issue: 05.12.2006 Supersedes edition of 14.08.2002

1. Identification of the substance/preparation and of the company/undertaking Identification of the product

Catalogue No.: 103792 Product name: Ammonium iron(II) sulfate hexahydrate GR for analysis ISO

Company/undertaking identification Company: Merck KGaA * 64271 Darmstadt * Germany * Phone: +49 6151 72-0 Emergency telephone No.: Please contact the regional Merck representation in your country.

2. Composition/information on ingredients Synonyms Ferrous ammonium sulfate, Mohr’s salt, Iron(II) ammonium sulfate CAS-No.: 7783-85-9 M: 392.14 g/mol EC-No.: 233-151-8 Formula Hill: FeH8N2O8S2 * 6 H2O Chemical formula: (NH4)2Fe(SO4)2 * 6 H2O

3. Hazards identification No hazardous product as specified in Directive 67/548/EEC.

4. First aid measures After inhalation: fresh air. After skin contact: wash off with plenty of water. Remove contaminated clothing. After eye contact: rinse out with plenty of water with the eyelid held wide open. After swallowing: immediately make victim drink plenty of water. Consult doctor if feeling unwell.

5. Fire-fighting measures Suitable extinguishing media: In adaption to materials stored in the immediate neighbourhood. Special risks: Non-combustible. Ambient fire may liberate hazardous vapours. The following may develop in event of fire: nitrogen oxides, sulfur oxides.

Special protective equipment for fire fighting: Do not stay in dangerous zone without self-contained breathing apparatus. Other information: Prevent fire-fighting water from entering surface water or groundwater.

The Safety Data Sheets for catalog items are also available at www.chemdat.info Page 1 of 5 Merck Safety Data Sheet According to EC Directive 91/155/EEC

Catalogue No.: 103792 Product name: Ammonium iron(II) sulfate hexahydrate GR for analysis ISO

6. Accidental release measures Person-related precautionary measures: Avoid generation of dusts; do not inhale dusts.

Environmental-protection measures: Do not allow to enter sewerage system.

Procedures for cleaning / absorption: Take up dry. Forward for disposal. Clean up affected area.

7. Handling and storage Handling:

No further requirements. Storage: Tightly closed. Dry. At +15˚C to +25˚C. Protected from light.

8. Exposure controls/personal protection Personal protective equipment: Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. The resistance of the protective clothing to chemicals should be ascertained with the respective supplier. Respiratory protection: required when dusts are generated. Eye protection: required Hand protection: not required Industrial hygiene: Change contaminated clothing. Wash hands after working with substance.

9. Physical and chemical properties Form: solid Colour: bluish-green Odour: odourless pH value at 50 g/l H2O (20 ˚C) 3-5 Melting point 100 ˚C (decomposition) Boiling point not applicable Ignition temperature not available Flash point not available Explosion limits lower not available upper not available Density (20 ˚C) 1.86 g/cm3 Bulk density ~ 900 kg/m3

The Safety Data Sheets for catalog items are also available at www.chemdat.info Page 2 of 5 Merck Safety Data Sheet According to EC Directive 91/155/EEC

Catalogue No.: 103792 Product name: Ammonium iron(II) sulfate hexahydrate GR for analysis ISO

Solubility in water (20 ˚C) 269 g/l Thermal decomposition 100-110 ˚C

10. Stability and reactivity Conditions to be avoided no information available Substances to be avoided no information available Hazardous decomposition products in the event of fire: See chapter 5. Further information light-sensitive; releases water of crystallization when heated.

11. Toxicological information Acute toxicity

LD50 (oral, rat): 3250 mg/kg (RTECS). Further toxicological information Hazardous properties cannot be excluded but are unlikely when the product is handled appropriately.

Other notes: The following applies to soluble iron compounds: nausea and vomiting after swallowing. The absorption of large quantities is followed by cardiovascular disorders. Toxic effect on liver and kidneys. The following applies to ammonium salts in general: after swallowing: local irritation symptoms, nausea, vomiting, diarrhoea. Systemic effect: after the uptake of very large qantities: drop in blood pressure, collapse, CNS disorders, spasms, narcotic conditions, respiratory paralysis, haemolysis. Further data The product should be handled with the care usual when dealing with chemicals.

The Safety Data Sheets for catalog items are also available at www.chemdat.info Page 3 of 5 Merck Safety Data Sheet According to EC Directive 91/155/EEC

Catalogue No.: 103792 Product name: Ammonium iron(II) sulfate hexahydrate GR for analysis ISO

12. Ecological information Biologic degradation: Methods for the determination of biodegradability are not applicable to inorganic substances.

Ecotoxic effects: Quantitative data on the ecological effect of this product are not available.

Further ecologic data: The following applies to ammonium ions in general: biological effects: fish: toxic as from 0.3 mg/l ; nourishment for fish: toxic as from 0.3 mg/l .

The following applies to dissolved iron compounds in general: fish: toxic as from 0.9 mg/l at pH 6.5-7.5; lethal as from 1 mg/l at pH 5.5-6.7; 50 mg/l iron upper limit for fish life. When iron ions flocculate in an alkaline medium, mechanical damage occurs in aquatic organisms.

The following applies to sulfate in general: biological effects: fish: toxic as from 7 g/l ; bacteria: toxic as from 2.5 g/l .

Do not allow to enter waters, waste water, or soil!

13. Disposal considerations Product: Chemicals must be disposed of in compliance with the respective national regulations. Under www.retrologistik.de you will find country- and substance-specific information as well as contact partners. Packaging: Merck product packaging must be disposed of in compliance with the country-specific regulations or must be passed to a packaging return system. Under www.retrologistik.de you will find special information on the respective national conditions as well as contact partners.

14. Transport information Not subject to transport regulations.

15. Regulatory information Labelling according to EC Directives Symbol: --- R-phrases: --- S-phrases: ---

16. Other information Reason for alteration General update. Regional representation: This information is given on the authorised Safety Data Sheet for your country.

The Safety Data Sheets for catalog items are also available at www.chemdat.info Page 4 of 5 Merck Safety Data Sheet According to EC Directive 91/155/EEC

Catalogue No.: 103792 Product name: Ammonium iron(II) sulfate hexahydrate GR for analysis ISO

The information contained herein is based on the present state of our knowledge. It characterizes the product with regard to the appropriate safety precautions. It does not represent a guarantee of the properties of the product.

The Safety Data Sheets for catalog items are also available at www.chemdat.info Page 5 of 5