Ethynylmagnesium chloride, 0.6M solution in THF/toluene

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 Substances/mixtures which, in contact with water, emit Category 1 Gas(es) = Ethene flammable gases Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Carcinogenicity Category 2 Reproductive Toxicity Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system, Central nervous system (CNS). Specific target organ toxicity - (repeated exposure) Category 2 Target Organs - Neurological effects, Eyes, Ears. Aspiration Toxicity Category 1

Physical hazards

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

Signal word

Danger

Hazard statements

Highly flammable liquid and vapor In contact with water releases flammable gases which may ignite spontaneously May be fatal if swallowed and enters airways Causes severe skin burns and eye damage May cause respiratory irritation May cause drowsiness and dizziness Suspected of causing cancer Suspected of damaging the unborn child May cause damage to organs through prolonged or repeated exposure Reacts violently with water May form explosive peroxides

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 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 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 Use only outdoors or in a well-ventilated area

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

2.3 Other hazards

Light sensitive