463035
Methane
electronic grade, ≥99.998%
Synonym(s):
Marsh gas, Methyl hydride
Sign In to View Organizational & Contract Pricing.
Select a Size
Change View
About This Item
Linear Formula:
CH4
CAS Number:
Molecular Weight:
16.04
UNSPSC Code:
41116107
NACRES:
NA.23
PubChem Substance ID:
EC Number:
200-812-7
Beilstein/REAXYS Number:
1718732
MDL number:
grade
electronic grade
Quality Segment
vapor density
0.55 (vs air)
assay
≥99.998%
form
gas
autoignition temp.
998 °F
expl. lim.
15 %
impurities
<2 ppm CO, <2 ppm CO2, <3 ppm Water (H2O), <5 ppm Ethane (C2H5), <5 ppm Nitrogen (N2)
bp
−161 °C (lit.)
mp
−183 °C (lit.)
transition temp
critical temperature −82.1 °C
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
High-purity regulators Z146706and Z512958 are recommended.
Still not finding the right product?
Explore all of our products under Methane
Signal Word
Danger
Hazard Codes
Precautionary Statements
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)
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.