n-Butyllithium, 1.6M solution in hexanes

Hazard statements (CLP)

H411

Code

Statements

H411

Toxic to aquatic life with long lasting effects

SECTION 2: Hazards identification

(29 CFR 1910.1200) 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 or dizziness Suspected of damaging fertility Causes damage to organs through prolonged or repeated exposure

Prevention

Obtain special instructions before use Do not handle until all safety precautions have been read and understood Do not breathe dust/fume/gas/mist/vapors/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 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground and bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting equipment Do not allow contact with air Do not allow contact with water Handle and store contents under inert gas. Protect from moisture Keep cool Wear protective gloves/protective clothing/eye protection/face protection Take action to prevent static discharges Use non-sparking tools

Response

Immediately call a POISON CENTER or doctor Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Skin Take off contaminated clothing and wash before reuse IF ON SKIN: Immerse in cool water or wrap in wet bandages IF ON SKIN: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Ingestion Do NOT induce vomiting Rinse mouth Fire In case of fire: Use limestone powder, sodium chloride or dry sand to extinguish

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

Toxic to aquatic life with long lasting effects

2.1 Classification of the substance or mixture

This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Flammable liquids Category 2 Substances/mixtures which, in contact with water, emit Category 1 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 - Respiratory system, Central nervous system (CNS). Specific target organ toxicity - (repeated exposure) Category 1 Target Organs - Liver, Central nervous system (CNS), Peripheral Nervous System (PNS). Aspiration Toxicity