Methyl magnesium bromide

  • Magnesium, bromomethyl
  • Methyl magnesium bromide in ethyl ether
Formula
CH3MgBr
Structure
Description
A colorless cloudy solution in diethyl ether.
Uses
Alkylating agent in organic synthesis, grignard reagent.

Registry Numbers and Inventories.
CAS
75-16-1
EC (EINECS/ELINCS)
200-844-1
RTECS
OM3700000
UN (DOT)
1928
Beilstein/Gmelin
3535220
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
CH3BrMg
Formula mass
119.24

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. Build dikes to contain flow as necessary. Use water spray to knock-down vapors. Do not use water on material itself.
Stability
No data.
Incompatibilities
Incompatible with acids and bases Incompatible with oxidizing agents.

Fire.
Fire fighting
Do not extinguish fire unless flow can be stopped. Use alcohol foam, dry chemical or carbon dioxide. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Do not use water on material itself.
Fire potential
Flammable/combustible material.
Hazards
May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard.

Health.
Exposure effects
   Ingestion
See inhalation.
   Inhalation
Fire will produce irritating, corrosive and/or toxic gases. Inhalation of decomposition products may cause severe injury or death. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution.
   Skin
See inhalation.
   Eyes
See inhalation

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.
UN number
1928
Response guide
Hazard class
4.3
Packing Group
I
 
Std. Transport #
4916315