Material Safety Data Sheet Ferrous Sulfate Heptahydratye - Monohydrate HEALTH 1 FLAMMABILITY 0 REACTIVITY 0 PERSONAL PROTECTION E

Manufacturer Information Product/Material: Ferrous Sulfate Moist & Dried Heptahydrate & Monohydrate Manufacturer's Name & Address: QC Corporation 5566 Nash Road Cape Girardeau, MO 63701 Emergency Tel. No: (410) 486-0010 Chemtrec Number: (800) 424-9300 Date Prepared: January 31, 2005 Prepared By: Jason Morrell Gordon Section 1 - Product Identification Trade Name: Diamond Brand Ferrous Sulfate: Moist Heptahydrate, Dried Heptahydrate, Monohydrate Synonym: Copperas, Iron (II) Sulfate Chemical Family: Iron (II) Sulfate Formula: FeSO4 · 7H2O - Heptahydrate FeSO4 · 1H2O - Monohydrate CAS: 7782-63-0 - Heptahydrate 7720-78-7 - Monohydrate HMIS: H1 FO RO, Personal Protection Code-E (Safety glasses, gloves, dust respirators) DOT Category (only for packages containing 1,000 lbs or more): Environmentally Hazardous Substances, solid, n.o.s., 9, UN 3077, III, RQ (Ferrous Sulfate) & other regulatory substances, liquid or solid, n.o.s. Section II - Hazardous Ingredients Ferrous Sulfate: FeSO4 • H2O OSHA PEL: N.A. ACGIH TLV (1979): Rat. Oral LD50: 1480 mg/m³ Other Limits: None Section III - Physical Data Boiling Point: Decomposition at 300° C. Vapor Pressure (mm Hg): 0 Vapor Density: N.A. Solubility in Water (20°C): Heptahydrate: 48.50 gms in 100 ml Appearance & Odor: Heptahydrate: Blue-green, acidic/sour Monohydrate: Gray, acidic/sour Specific Gravity: Heptahydrate: 1.898 @ 25°C Monohydrate: 2.970 @ 25°C Section IV - Fire and Explosion Hazard Data Flash Point: None Flammable Limits: . N.A. LEL and UEL: N.A. Extinguishing Media: N.A. Special Firefighting Procedures: N.A. Unusual Fire & Explosion Hazards: None

Section V - Reactivity Data Stability: Stable Incompatibility: Oxidizing Agents and Alkalies. Conditions to Avoid: Extremely high temperatures. Hazardous Decomposition or By-products: Products of sulfur oxides, i.e.: SO2 and SO3. Hazardous Polymerization: Will not occur. Section VI - Health Hazard Data Route(s) of Entry: Inhalation (Yes); Skin (Yes) Ingestion (Yes); Eyes (Yes) Inhalation: Irritation to respiratory system. Skin: Mild irritant. Eyes: Will cause painful irritation. Ingestion: Ingestion of large quantities can produce GI tract disturbances, severe shock, vomiting, liver damage, tachycardia and death. Carcinogenicity: Not established. Medical Conditions Generally Aggravated by Exposure: Dermatitis, asthma, conjunctivitis, stomach or digestive problems. Signs and Symptoms of Exposure: Irritation or itching, stinging of eyes, breathing problems, stomach ache, acid or sour taste. Emergency and First Aid Procedures: Flood skin and eyes with water for 15 minutes, consult physician. If inhaled, remove to fresh air, consult physician. If ingested, drink large amts. of water, induce vomiting, consult physician. Section VII - Precautions for Safe Handling and Use Steps to be Taken in Case Material is Released or Spilled: Sweep up and repackage or place in receptacle for future disposal. Waste Disposal Method: Remove to properly designated landfill or, if in solution, precipitate with alkali and filter off iron for removal to landfill with pH adjustments of the filtrate and discharge to sewer. Precautions to be taken in Handling and Storage: Wear gloves, safety goggles, breathing mask and coveralls when handling. Other Precautions: None Section VIII - Control Measures Respiratory Protection: Dust Mask Protective Gloves: Work Gloves Eye Protection: Goggles Clothing: Coveralls Ventilation: Local Exhaust - None Special - None Mechanical - None Other - None Work/Hygienic Practices: Available safety showers as well as end of shift clean-up facilities.

Information regarding the contents and levels of metals in this product is available on the Internet at http://www.agr.wa.gov or http://www.qccorporation.com

Sales Office: One Reservoir Circle, Suite 100 Baltimore, Maryland 21208 1-800-883-0010 FAX 410-486-0895 info@qccorporation.com www.qccorporation.com