Sodium Hypochlorite Aqueous solution, 1%w/w to 4.9%w/w

WHMIS Classification

Category E (Corrosive material). 2B irritant of eyes OSHA: This material is classified as hazardous under OSHA regulations (29CFR 1910.1200).

2.1 Classification of the substance or mixture

Acute Health Hazard;

Health hazards

Emergency Overview: Clear, yellow green liquid. Chlorine odor. Danger May develop chlorine if mixed with acidic solutions. Contact with acids, contamination or heating may cause the release of corrosive chlorine gas. May react with water, generating heat. Contact with metals may release small amounts of flammable hydrogen gas. Corrosive material. Causes eye burns. Prolonged contact may produce chemical burns to affected skin areas. May cause severe irritation to the nose, throat and respiratory tract. May cause severe irritation to the mouth, throat and stomach.

Potential health effects

Signs and symptoms of short-term (acute) exposure Inhalation : Inhalation of high concentrations of fumes or mists may cause severe irritation and corrosive damage to the nose, throat and upper respiratory tract. Inhalation of high concentrations of fumes or mists may cause severe irritation and corrosive damage to the nose, throat and upper respiratory tract. Skin : May cause burns. Direct skin contact may cause skin burns and deep ulcerations. Eyes : May irritate eyes. Could result in damage and blindness. Ingestion : Harmful if swallowed. May cause severe irritation damage in the mouth, throat and stomach. Symptoms may include abdominal pain, vomiting, burns, perforations, and bleeding. Effects of long-term Prolonged or repeated contact may cause drying, cracking and de-fatting of the skin. (chronic) exposure : Carcinogenic status: See TOXICOLOGICAL INFORMATION, Section 11. Additional health hazards: See TOXICOLOGICAL INFORMATION, Section 11.

Environmental effects

See TOXICOLOGICAL INFORMATION, Section 12.