Cyclopentylmagnesium bromide, 2.0M solution in diethyl ether

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 1 Acute oral toxicity Category 4 Acute dermal toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 4 Skin Corrosion/irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 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 - Liver, Blood.

Signal word

Danger

Hazard statements

Extremely flammable liquid and vapor Harmful if swallowed Harmful in contact with skin Harmful if inhaled Causes severe skin burns and eye damage Causes serious eye damage May cause respiratory irritation. May cause drowsiness and dizziness May cause damage to organs through prolonged or repeated exposure

Prevention

Keep away from heat/sparks/open flames/hot surfaces. - No smoking Keep container tightly closed Ground/bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting/equipment Use only non-sparking tools Take precautionary measures against static discharge Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Wear protective gloves/protective clothing/eye protection/face protection Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Do not get in eyes, on skin, or on clothing

Response

Get medical attention/advice if you feel unwell Inhalation IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing Call a POISON CENTER or doctor/physician if you feel unwell 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 Rinse mouth Do NOT induce vomiting IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell Fire Explosion risk in case of fire Fight fire with normal precautions from a reasonable distance Evacuate area

Storage

Store locked up 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

Reacts violently with water May form explosive peroxides Repeated exposure may cause skin dryness or cracking