Potassium tert-butoxide, 1M solution in tert-butanol

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 Inhalation Toxicity Category 4 Skin Corrosion/Irritation Category 1 Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system.

Physical hazards

Not Otherwise Classified Category 1 Reacts violently with water

Signal word

Danger

Hazard statements

Highly flammable liquid and vapor Harmful if inhaled Causes severe skin burns and eye damage May cause respiratory irritation Reacts violently with water

Prevention

Do not allow contact with water Keep container tightly closed Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Ground/bond container and receiving equipment Take precautionary measures against static discharges Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection

Response

IF SWALLOWED: Rinse mouth. Do NOT induce vomiting 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 Wash contaminated clothing before reuse Explosion risk in case of fire Fight fire with normal precautions from a reasonable distance Evacuate area

Storage

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

Disposal

Dispose of contents/container to an approved waste disposal plant Unknown Acute Toxicity 11 percent of the mixture consists of ingredient(s) of unknown acute toxicity