This product is packaged in a 440 mL, CGA 180M/110F lecture bottle/cylinder. The lecture bottle measures 2" in diameter by 12" long. For compatible regulators, see products Z146706 and Z512958.
463035
Methane
electronic grade, ≥99.998%
Synonym(s):
Marsh gas, Methyl hydride
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| Size/SKU | Availability | Price |
|---|---|---|
24 L | Available to ship TODAY | $2,290.00 |
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:
$2,290.00
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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.
1 of 1
This Item | |
|---|---|
| description electronic grade, ≥99.998% | description 99.99 atom % 12C |
| form gas | form - |
| grade electronic grade | grade - |
| assay ≥99.998% | assay - |
| density 0.716 g/mL at 25 °C (lit.) | density - |
| mp −183 °C (lit.) | mp - |
| vapor density 0.55 (vs air) | vapor density - |
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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)
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