Sodium cyanoborohydride, 1M solution in THF

2.1 Classification of the substance or mixture

WHMIS 2015 Classification Classified as hazardous under the Hazardous Products Regulations (SOR/2015-17) Flammable liquids Category 2 Acute oral toxicity Category 3 Acute dermal toxicity Category 3 Acute Inhalation Toxicity Category 3 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Carcinogenicity Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system, Central nervous system (CNS).

Physical hazards

Not Otherwise Classified Category 1 May form explosive peroxides

Health hazards

Not Otherwise Classified Category 1 Contact with acids liberates very toxic gas (HCN)

Signal word

Danger

Hazard statements

Highly flammable liquid and vapor Toxic if swallowed, in contact with skin or if inhaled Causes severe skin burns and eye damage May cause respiratory irritation May cause drowsiness and dizziness Suspected of causing cancer May cause damage to organs through prolonged or repeated exposure May form explosive peroxides Contact with acids liberates very toxic gas (HCN)

Prevention

Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wear protective gloves/protective clothing/eye protection/face protection Keep container tightly closed Take any precaution to avoid mixing with acids Do not breathe dust/fumes/gas/mist/vapours/spray Wear respiratory protection Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Ground/bond container and receiving equipment Use only non-sparking tools Take precautionary measures against static discharges 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

Response

IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER/doctor IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Rinse mouth Do NOT induce vomiting 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

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

Toxic to aquatic life with long lasting effects