Vinyl bromide

Vinyl bromide is a simple vinyl halide. It is a colorless liquid. It is produced from ethylene dibromide. It is mainly used as a comonomer to confer fire retardant properties to acrylate polymers.[2]

Vinyl bromide
Names
Preferred IUPAC name
Bromoethene
Other names
Vinyl bromide
1-Bromoethene
Bromoethylene
1-Bromoethylene
Monobromoethene
Monobromoethylene
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.911
EC Number
  • 209-800-6
KEGG
RTECS number
  • KU8400000
UNII
Properties
C2H3Br
Molar mass 106.95 g/mol
Appearance Colorless gas
Odor pleasant[1]
Density 1.525 g/cm3 at boiling point (liquid)

1.4933 g/cm3 at 20 °C

Melting point −137.8 °C (−216.0 °F; 135.3 K)
Boiling point 15.8 °C (60.4 °F; 288.9 K)
Insoluble
log P 1.57
Vapor pressure 206.8 kPa at 37.8 °C
Hazards
Main hazards Toxic (T), Highly flammable (F+)
Safety data sheet See: data page
R-phrases (outdated) R12, R20/21/22, R36/37/38, R45
S-phrases (outdated) S45, S53
NFPA 704 (fire diamond)
Flammability code 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformReactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
4
2
1
Flash point 5 °C (41 °F; 278 K)
530 °C (986 °F; 803 K)
Explosive limits 9%-15%[1]
NIOSH (US health exposure limits):
PEL (Permissible)
 none[1]
REL (Recommended)
 Ca[1]
IDLH (Immediate danger)
 N.D.[1]
Supplementary data page
Refractive index (n),
Dielectric constant (εr), etc.
Thermodynamic
data
 Phase behaviour
solid–liquid–gas
UV, IR, NMR, MS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Reactions and applications

It reacts with magnesium to give the corresponding Grignard reagent.[3]

Safety precautions

Vinyl bromide is listed in List of IARC Group 2A carcinogens as a suspected human carcinogen.

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See also

References
  1. NIOSH Pocket Guide to Chemical Hazards. "#0657". National Institute for Occupational Safety and Health (NIOSH).
  2. Dagani, M. J.; Barda, H. J.; Benya, T. J.; Sanders, D. C. "Bromine Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_405.
  3. Dietmar Seyferth (1959). "Di-n-butyldivinyltin". Org. Synth. 39: 10. doi:10.15227/orgsyn.039.0010.


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