METHANE

Modify Date: 2025-08-20 10:15:47

METHANE Structure
METHANE structure
Common Name METHANE
CAS Number 74-82-8 Molecular Weight 16.04250
Density 0.716 g/mL at 25 °C(lit.) Boiling Point −161 °C(lit.)
Molecular Formula CH4 Melting Point −183 °C(lit.)
MSDS Chinese USA Flash Point -188 ºC
Symbol GHS02 GHS04
GHS02, GHS04
Signal Word Danger

 Names

Name methane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.716 g/mL at 25 °C(lit.)
Boiling Point −161 °C(lit.)
Melting Point −183 °C(lit.)
Molecular Formula CH4
Molecular Weight 16.04250
Flash Point -188 ºC
Exact Mass 16.03130
LogP 0.63610
Vapour density 0.55 (vs air)
Stability Stable. Extremely flammable - note low flash point; mixtures with air constitute an explosion hazard. Reacts violently with interhalogens. Incompatible with strong oxidizing agents, halogens, interhalogens, oxygen.

 Safety Information

Symbol GHS02 GHS04
GHS02, GHS04
Signal Word Danger
Hazard Statements H220-H280
Precautionary Statements P210-P377-P381-P410 + P403
Personal Protective Equipment Eyeshields;Faceshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
Hazard Codes F+
Risk Phrases 12
Safety Phrases 9-16-33
RIDADR UN 1971 2.1
WGK Germany -
RTECS PA1490000

 Precursor & DownStream

Precursor  1

DownStream  2

 Articles323

More Articles
Preliminary study on brominated dioxins/furans and hydroxylated/methoxylated PBDEs in Baltic cod (Gadus morhua) liver. Comparison to the levels of analogue chlorinated co-occurring pollutants.

Mar. Pollut. Bull. 96 , 165-75, (2015)

Low pg levels of PBDD/Fs in 0.8-38.9 pg g(-1) (fat) range (mean 14.2 pg g(-1)) observed in the tested cod liver samples were significantly lower than levels of their chlorinated analogues (25.1-95.9 r...

Acidogenic fermentation of Scenedesmus sp.-AMDD: Comparison of volatile fatty acids yields between mesophilic and thermophilic conditions.

Bioresour. Technol. 200 , 624-30, (2015)

This study compared the acidogenic fermentation of Scenedesmus sp.-AMDD at laboratory-scale, under mesophilic (35°C) and thermophilic conditions (55°C). Preliminary batch tests were performed to evalu...

Lactic acid production from acidogenic fermentation of fruit and vegetable wastes.

Bioresour. Technol. 191 , 53-8, (2015)

This work focused on the lactic acid production from acidogenic fermentation of fruit and vegetable wastes treatment. A long term completely stirred tank reactor (CSTR) lasting for 50 days was operate...

 Synonyms

EINECS 200-812-7
methane
MFCD00008279
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