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Methyl bromide  Structure

Methyl bromide

Chemical Properties

Melting point −94 °C(lit.)
Boiling point 4 °C(lit.)
Density  1.7 g/cm3
vapor density  3.3 (20 °C, vs air)
vapor pressure  1420 mm Hg ( 20 °C)
refractive index  1.4432
Flash point -34 °C
storage temp.  2-8°C
solubility  water: soluble
form  Colorless gas
explosive limit ~16%
Water Solubility  1.522 g/100 mL
Merck  13,6056
Henry's Law Constant 0.72 at 21 °C (Gan and Yates, 1996)
Exposure limits NIOSH REL: IDLH 250 ppm; OSHA PEL: C 20 ppm; ACGIH TLV: TWA 5 ppm.
Dielectric constant 9.8(0℃)
Stability Stable. Incompatible with oxidizing agents, strong acids. This is an ozone-depleting chemical, and its use is restricted in many countries.
LogP 1.190
CAS DataBase Reference 74-83-9(CAS DataBase Reference)
IARC 3 (Vol. 41, Sup 7, 71) 1999
NIST Chemistry Reference Methyl bromide(74-83-9)
EPA Substance Registry System Methyl bromide (74-83-9)

Safety Information

Hazard Codes  T,N,Xn,F,F+
Risk Statements  23/25-36/37/38-48/20-50-59-68-38-20/22-11-67-66-19-12-39/23/24/25-23/24/25
Safety Statements  15-27-36/39-38-45-59-61-36/37-26-24-16-7
RIDADR  UN 1062 2.3
WGK Germany  3
RTECS  PA4900000
DOT Classification 2.3, Hazard Zone C (Gas poisonous by inhalation)
HazardClass  2.3
HS Code  29033990
Hazardous Substances Data 74-83-9(Hazardous Substances Data)
Toxicity LC for rats in air (6 hrs): 514 ppm (Irish)
IDLA 250 ppm

MSDS

Usage And Synthesis

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