Dibromoethane

 

Dibromoethane
aka 1,2-dibromoethane

Chemical formula	C2H4Br2
OTP appearance	clear liquid
Index of refraction	1.539
Molar Mass(g/mol)	187.86
Density(g/cc)	2.18
Melting Point(°C)	9.4-10.2
Boiling Point(°C)	129-133
Solubility in water(g/L)	4
NFPA 704	0 3 0

Uses

Justification Questioned

Other

• Alternative feedstock for acetylene, and thence benzene
• Grignard reagent
• Fire retardants

Natural occurrence

• Does occur naturally in small amounts generated by seaweed.

Hazards

• 40ml swallowed has been fatal to a human
• Breathing substantial quantities gives typical hydrocarbon CNS depression

Production

Synthesis

Combine ethylene and bromine in a lightly sealed vessel. Apply uv radiation and/or warmth (not heat!)