N-Butyl-sec-butylmagnesium, 0.7M solution in hexane

2.1 Classification of the substance or mixture

This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Flammable liquids Category 2 Substances/mixtures which, in contact with water, emit Category 1 flammable gases Skin Corrosion/irritation Category 1 A 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 2 Aspiration Toxicity Category 1

Signal word

Danger

Hazard statements

Highly flammable liquid and vapor In contact with water releases flammable gases which may ignite spontaneously Causes severe skin burns and eye damage May be fatal if swallowed and enters airways May cause respiratory irritation May cause drowsiness or dizziness Suspected of damaging fertility May cause 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 Wear protective gloves/protective clothing/eye protection/face protection Handle under inert gas. Protect from moisture Do not breathe dust/fume/gas/mist/vapors/spray Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area Keep away from heat/sparks/open flames/hot surfaces. - No smoking Keep container tightly closed Ground/bond container and receiving equipment Take precautionary measures against static discharge

Response

IF exposed or concerned: Get medical attention/advice Inhalation IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing Skin IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower Wash contaminated clothing before reuse Immediately call a POISON CENTER or doctor/physician Eyes 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/physician Ingestion IF SWALLOWED: Rinse mouth. DO NOT induce vomiting Fire Explosion risk in case of fire Fight fire with normal precautions from a reasonable distance Evacuate area Use CO2, dry chemical, or foam

Storage

Store locked up Store in a dry place. Store in a closed container Store in a well-ventilated place. Keep cool

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

Toxic to aquatic life with long lasting effects Reacts violently with water Unknown Acute Toxicity 10-25 % of the mixture consists of ingredients of unknown toxicity.