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295477

Methane

≥99.0%

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About This Item

Linear Formula:
CH4
CAS Number:
74-82-8
Molecular Weight:
16.04
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
24857787
EC Number:
200-812-7
Beilstein/REAXYS Number:
1718732
MDL number:
MFCD00008279
Assay:
≥99.0%
Form:
gas
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vapor density

0.55 (vs air)

Quality Segment

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]

InChI

1S/CH4/h1H4

InChI key

VNWKTOKETHGBQD-UHFFFAOYSA-N

Features and Benefits

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

Other Notes

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

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Pictograms

FlameGas cylinder
GHS02,GHS04

Signal Word

Danger

Hazard Codes

H220,H280

Precautionary Statements

P210 - P377 - P381 - P410 + P403

Hazard Classifications

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

Storage Class

2A - Gases

WGK

nwg

Flash Point (°F)

-306.4 °F - closed cup

Flash Point (°C)

-188 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

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