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Merck
CN

65950

Bromomethane

purum, ampule, ≥99.5% (GC)

Synonym(s):

Methyl bromide

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About This Item

Empirical Formula (Hill Notation):
CH3Br
CAS Number:
74-83-9
Molecular Weight:
94.94
UNSPSC Code:
12352100
PubChem Substance ID:
329760135
EC Number:
200-813-2
Beilstein/REAXYS Number:
1209223
MDL number:
MFCD00000166

Key Documents

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SMILES string

O[C@H]1[C@@H](O)[C@H](N2C=NC(C(N)=O)=C2N)O[C@@H]1COP(O)(O)=O, CBr

InChI key

GZUXJHMPEANEGY-UHFFFAOYSA-N

InChI

1S/CH3Br/c1-2/h1H3

vapor density

3.3 (20 °C, vs air)

vapor pressure

1420 mmHg ( 20 °C)

grade

purum

assay

≥99.5% (GC)

autoignition temp.

996 °F

quality

ampule

expl. lim.

~16 %

bp

4 °C (lit.)

mp

−94 °C (lit.)

density

1.73 g/mL at 20 °C, 3.3 g/mL at 25 °C (lit.)

Other Notes

Sales restrictions may apply

signalword

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Muta. 2 - Ozone 1 - Press. Gas Liquefied gas - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

target_organs

Central nervous system, Respiratory system

Storage Class

2A - Gases

wgk

WGK 3

flash_point_f

<-22.0 °F - liquid

flash_point_c

< -30 °C - liquid

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Kathryn Hughes Barry et al.
Cancer causes & control : CCC, 23(6), 807-818 (2012-04-25)
Methyl bromide is a genotoxic soil fumigant with high acute toxicity, but unknown human carcinogenicity. Although many countries have reduced methyl bromide use because of its ozone depleting properties, some uses remain in the United States and other countries, warranting
Yulong Xu et al.
The Journal of chemical physics, 137(18), 184501-184501 (2012-11-21)
The bimolecular nucleophilic substitution (S(N)2) reaction of CH(3)Br and OH(-) in aqueous solution was investigated using a multilayered-representation quantum mechanical and molecular mechanics methodology. Reactant complex, transition state, and product complex are identified and characterized in aqueous solution. The potentials
Methyl bromide poisoning presenting as acute ataxia.
Krishnan Balagopal et al.
Neurology India, 59(5), 768-769 (2011-10-25)
Michael J Cox et al.
FEMS microbiology letters, 334(2), 111-118 (2012-06-26)
Methyl halides have a significant impact on atmospheric chemistry, particularly in the degradation of stratospheric ozone. Bacteria are known to contribute to the degradation of methyl halides in the oceans and marine bacteria capable of using methyl bromide and methyl
Khristy J Thompson et al.
Toxicological sciences : an official journal of the Society of Toxicology, 120(1), 163-172 (2010-12-24)
Manganese (Mn) is an essential nutrient with potential neurotoxic effects. Mn deposited in the nose is apparently transported to the brain through anterograde axonal transport, bypassing the blood-brain barrier. However, the role of the olfactory epithelial cells in Mn transport
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