Zinc powder

2.1 Classification of the substance or mixture

WHMIS 2015 Classification Classified as hazardous under the Hazardous Products Regulations (SOR/2015-17) Substances/mixtures which, in contact with water, emit Category 1 Gas(es) = Hydrogen flammable gases Pyrophoric solids Category 1 Combustible Dusts Category 1

Signal word

Danger

Hazard statements

May form combustible dust concentrations in air In contact with water releases flammable gases which may ignite spontaneously Catches fire spontaneously if exposed to air

Prevention

Keep container tightly closed Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Do not allow contact with air Do not allow contact with water Handle under inert gas. Protect from moisture Wear protective gloves/protective clothing/eye protection/face protection

Response

In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish

Storage

Store under an inert atmosphere Store in a dry place. Store in a closed container Store in a well-ventilated place. Keep container tightly closed

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

Very toxic to aquatic life with long lasting effects