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Merck
CN

295507

Chloromethane

≥99.5%

Synonym(s):

Methyl chloride

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About This Item

Empirical Formula (Hill Notation):
CH3Cl
CAS Number:
74-87-3
Molecular Weight:
50.49
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
24857791
EC Number:
200-817-4
Beilstein/REAXYS Number:
1696839
MDL number:
MFCD00000872

Key Documents

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Product Name

Chloromethane, ≥99.5%

InChI key

NEHMKBQYUWJMIP-UHFFFAOYSA-N

InChI

1S/CH3Cl/c1-2/h1H3

SMILES string

CCl

vapor density

1.74 (vs air)

vapor pressure

3796 mmHg ( 20 °C)

assay

≥99.5%

autoignition temp.

1169 °F

expl. lim.

19 %

bp

−24.2 °C (lit.)

mp

−97 °C (lit.)

solubility

water: soluble 5.32 g/L at 25 °C

density

0.915 g/mL at 25 °C (lit.)

functional group

alkyl halide
chloro

Quality Level

200

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Legal Information

Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

General description

Conversion of chloromethane over metal-exchanged zeolite ZSM-5 catalyst with alkaline earth metals and some transition metals has been studied. Chloromethane has been reported as chemical intermediate during the production of gasoline from methane. Catalytic conversion of chloromethane over HSAPO-34 to light olefins has been studied by in situ FTIR spectroscopy and catalytic testing. Chloromethane is a gaseous natural product implicated in methylation processes in PheUinus pomaceus. Chloromethane acts as methyl donor in veratryl alcohol biosynthesis in the lignin-degrading fungi.

Packaging

Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.

Compatible with the following:

signalword

Danger

Hazard Classifications

Carc. 2 - Flam. Gas 1B - Ozone 1 - Press. Gas Liquefied gas - Repr. 2 - STOT RE 2 Inhalation

target_organs

Central nervous system,Liver,Urogenital tract

Storage Class

2A - Gases

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBT1896
SHBS6429
SHBP8835
SHBM9611
STBJ2474

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Highly efficient catalytic conversion of chloromethane to light olefins over HSAPO-34 as studied by catalytic testing and in situ FTIR.
Wei Y, et al.
J. Catal., 238(1), 46-57 (2006)
D B Harper et al.
Applied and environmental microbiology, 56(11), 3450-3457 (1990-11-01)
Chloromethane, a gaseous natural product implicated in methylation processes in Phellinus pomaceus, has been shown to act as methyl donor in veratryl alcohol biosynthesis in the lignin-degrading fungi Phanerochaete chrysosporium, Phlebia radiata, and Coriolus versicolor, none of which released detectable
Conversion of chloromethane over metal-exchanged ZSM-5 to higher hydrocarbons.
Lersch P and Bandermann F.
Applied Catalysis, 75(1), 133-152 (1991)
Leonie Derendorp et al.
Chemosphere, 87(5), 483-489 (2012-01-10)
Methyl chloride (CH(3)Cl) is the most abundant natural chlorine containing compound in the atmosphere, and responsible for a significant fraction of stratospheric ozone destruction. Understanding the global CH(3)Cl budget is therefore of great importance. However, the strength of the individual
Thierry Nadalig et al.
FEMS microbiology ecology, 77(2), 438-448 (2011-05-07)
Chloromethane gas is produced naturally in the phyllosphere, the compartment defined as the aboveground parts of vegetation, which hosts a rich bacterial flora. Chloromethane may serve as a growth substrate for specialized aerobic methylotrophic bacteria, which have been isolated from
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