Methyllithium, 1-2M in ether

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 1 Substances/mixtures which, in contact with water, emit Category 1 Gas(es) = Methane flammable gases Pyrophoric liquids Category 1 Acute oral toxicity Category 4 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system, Central nervous system (CNS).

Physical hazards

Not Otherwise Classified Category 1 Reacts violently with water May form explosive peroxides

Health hazards

Not Otherwise Classified Category 1 Repeated exposure may cause skin dryness or cracking

Signal word

Danger

Hazard statements

Extremely flammable liquid and vapor In contact with water releases flammable gases which may ignite spontaneously Catches fire spontaneously if exposed to air Harmful if swallowed Causes severe skin burns and eye damage May cause respiratory irritation May cause drowsiness and dizziness Reacts violently with water May form explosive peroxides Repeated exposure may cause skin dryness or cracking

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 Do not allow contact with air Handle under inert gas. Protect from moisture Ground/bond container and receiving equipment Use only non-sparking tools 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 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: Wash with plenty of soap and water 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 Wash contaminated clothing before reuse In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish IF ON SKIN: Immerse in cool water or wrap

Storage

Store locked up Store in a well-ventilated place. Keep container tightly closed Store contents under inert gas Store in a dry place. Store in a closed container

Disposal

Dispose of contents/container to an approved waste disposal plant