Butyllithium (ca. 20% in Cyclohexane, ca. 2.3mol/L)

SECTION 2: Hazards identification

Physical hazards

Flammable liquids Category 2 Pyrophoric liquids Category 1 Substances and mixtures which, in contact Category 1 with water, emit flammable gases

Health hazards

Skin corrosion/irritation Category 1B Serious eye damage/eye irritation Category 1 Specific target organ toxicity Blood vessels - Single exposure [Category 2] Specific target organ toxicity Narcotic effects - Single exposure [Category 3]

Aspiration hazard

Category 1

Environmental hazards

Acute aquatic hazard Category 2 Long-term aquatic hazard Category 2

Signal word

Danger

Hazard statements

Highly flammable liquid and vapour Catches fire spontaneously if exposed to air In contact with water releases flammable gases which may ignite spontaneously Causes severe skin burns and eye damage May cause damage to organs Blood vessels May cause drowsiness or dizziness May be fatal if swallowed and enters airways Toxic to aquatic life Toxic to aquatic life with long lasting effects

Prevention

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not allow contact with air. Keep away from any possible contact with water, because of violent reaction and possible flash fire. Handle under inert gas. Protect from moisture. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating and lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, vapors or spray. Use only outdoors or in a well-ventilated area. Avoid release to the environment. Do not eat, drink or smoke when using this product. Wash hands and face thoroughly after handling. Wear protective gloves, protective clothing, face protection.

Response

IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER or doctor. IF ON SKIN Immerse in cool water or wrap with wet bandages. IF ON SKIN (or hair) Take off immediately all contaminated clothing. Rinse skin with water or shower. Immediately call a POISON CENTER or doctor. Wash contaminated clothing before reuse. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor. 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 or doctor. If exposed or concerned: Call a POISON CENTER or doctor. Brush off loose particles from skin. Immerse in cool water or wrap with wet bandages. In case of fire: Use dry chemical or dry sand to extinguish. Collect spillage.

Storage

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

Disposal

Dispose of contents and container in accordance with local, regional, national regulations.