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65950

Sigma-Aldrich

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
Beilstein:
1209223
EC Number:
200-813-2
MDL number:
MFCD00000166
UNSPSC Code:
12352100
PubChem Substance ID:
329760135

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.)

SMILES string

CBr

InChI

1S/CH3Br/c1-2/h1H3

InChI key

GZUXJHMPEANEGY-UHFFFAOYSA-N

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Other Notes

Sales restrictions may apply

Signal Word

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 Code

2A - Gases

WGK

WGK 3

Flash Point(F)

<-22.0 °F - liquid

Flash Point(C)

< -30 °C - liquid

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
092273/1
92804/1
092804/1
092459/1
92459/1

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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)
[Determination of inorganic toxic anions in blood and urine for diagnosis of their poisoning].
Shigetoshi Kage
Chudoku kenkyu : Chudoku Kenkyukai jun kikanshi = The Japanese journal of toxicology, 25(1), 27-34 (2012-05-10)
Ganghua Tang et al.
Nuclear medicine communications, 32(6), 466-474 (2011-04-27)
[C]methyl iodide ([C]CH3I) is the most extensively used methylation agent for the preparation of a majority of C-labeled positron emission tomography (PET) radiotracers, which is commonly produced by the wet method and the gas-phase method. On account of the complexity
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