Sodium borohydride

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 flammable gases Acute oral toxicity Category 3 Skin Corrosion/irritation Category 1 C Serious Eye Damage/Eye Irritation Category 1 Reproductive Toxicity Category 1B Specific target organ toxicity - (repeated exposure) Category 2 Target Organs - Lungs.

Physical hazards

Not Otherwise Classified Category 1 Reacts violently with water

Signal word

Danger

Hazard statements

In contact with water releases flammable gases which may ignite spontaneously Toxic if swallowed Causes severe skin burns and eye damage May damage fertility. May damage the unborn child Reacts violently with water

Prevention

Do not allow contact with water Keep container tightly closed Obtain special instructions before use Do not handle until all safety precautions have been read and understood Handle under inert gas. Protect from moisture Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection

Response

IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower IF INHALED: Remove person to fresh air and keep comfortable for breathing 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/doctor Rinse mouth Do NOT induce vomiting Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages Wash contaminated clothing before reuse In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish

Storage

Store locked up Store in a well-ventilated place. Keep container tightly closed Store in a dry place. Store in a closed container

Disposal

Dispose of contents/container to an approved waste disposal plant