MilliporeSigma
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295477

Sigma-Aldrich

Methane

≥99.0%

Empirical Formula (Hill Notation):
CH4
CAS Number:
Molecular Weight:
16.04
Beilstein:
1718732
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

0.55 (vs air)

Quality Level

assay

≥99.0%

form

gas

autoignition temp.

998 °F

expl. lim.

15 %

bp

−161 °C (lit.)

mp

−183 °C (lit.)

density

0.716 g/mL at 25 °C (lit.)

SMILES string

[H]C([H])([H])[H]

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Features and Benefits

Methane is used as a carbon source for the chemical vapor deposition (CVD) of carbide and diamond thin films.

Recommended products

Brass control valve Z146943 or either of brass regulators Z146706 and Z146714 is recommended.

Pictograms

FlameGas cylinder

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Gas 1A - Press. Gas Compr. Gas

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

-306.4 °F - closed cup

Flash Point(C)

-188 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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