n-Butyllithium, 2.3M (20 wt.%) solution in Cyclohexane/Hexane

SECTION 2: Hazards identification

WHMIS 2015 Classification

Signal word

Danger

Hazard statements

Highly flammable liquid and vapor In contact with water releases flammable gases which may ignite spontaneously Catches fire spontaneously if exposed to air 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 damaging fertility May cause damage to organs through prolonged or repeated exposure 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 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 Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection

Response

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

2.3 Other hazards

Very toxic to aquatic life with long lasting effects Light sensitive

2.1 Classification of the substance or mixture

Flammable liquids Category 2 Substances/mixtures which, in contact with water, emit Category 1 Gas(es) = Butane flammable gases Pyrophoric liquids Category 1 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Reproductive Toxicity Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Central nervous system (CNS), Respiratory system. Specific target organ toxicity - (repeated exposure) Category 2 Target Organs - Central nervous system (CNS), Peripheral Nervous System (PNS). Aspiration Toxicity Category 1 Physical Hazards Not Otherwise Classified Category 1 Reacts violently with water ______________________________________________________________________________________________ Label Elements