Magnesium diphenyl

  • Diphenylmagnesium
Formula
Mg(C6H5)2
Structure
Description
A whitish to gray crystalline solid.
Uses
Used to make other chemicals.

Registry Numbers and Inventories.
CAS
555-54-4
UN (DOT)
2005
Merck
12,3386
Beilstein/Gmelin
3904323
Beilstein Reference
4-16-00-01695

Properties.
Formula
C12H10Mg
Formula mass
178.52
Melting point, °C
25.9
Boiling point, °C
264.5
Density
1.161 g/cm3

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
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Do not use water. Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. Keep material dry. Do not attempt to sweep up dry material.
Stability
No data.
Incompatibilities
Incompatible with acids, alcohols, amines, and aldehydes.

Fire.
Fire fighting
Do not use water. Use graphite, soda ash, powdered sodium chloride, or suitable dry powder.
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.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Inhalation of decomposition products may cause severe injury or death.
   Skin
Contact with substance may cause severe burns.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes.
   Eyes
In case of contact with substance, immediately flush with running water for at least 20 minutes.

Transport.
UN number
2005
Response guide
Hazard class
4.2
Packing Group
I
 
Std. Transport #
4916201