Acid Sulfate

2.1 Classification of the substance or mixture

White to off-white crystals (solid). Odorless. This material is classified as hazardous under U.S. OSHA regulations (29CFR 1910.1200) (Hazcom 2012) and Canadian WHMIS regulations (Hazardous Products Regulations) (WHMIS 2015). Corrosive to Metals - Category 1 Eye damage/irritation: Category 1 Skin corrosion/irritation: Category 1

Signal word

DANGER!

Hazard statements

May be corrosive to metals. Causes severe skin burns and eye damage. .

Precautionary statements

Wash thoroughly after handling. Keep only in original container. Do not breathe dust and fume. Wear protective gloves/clothing and eye/face protection. If swallowed: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Absorb spillage to prevent material damage. Store locked up. Store in corrosive resistant container with a resistant inner liner. Dispose of contents/container in accordance with local regulation.

Other hazards which do not result in classification

Contact with metals may release small amounts of flammable hydrogen gas. Ingestion may cause severe irritation to the mouth, throat and stomach. Prolonged skin contact may cause dermatitis (rash), characterized by red, dry, itching skin.