Basic

CAS No.	74-82-8
Product Name	Methane
Synonyms	Biogas; fire damp; Marsh Gas; methane, various grades; Methyl Hydride; natural gas; r 50 (refrigerant);
Molecular Formula	CH4
Molecular Weight	16.04

Physical property

Density	0.716
Melting point	-183℃
Boiling point	-161℃
Flash point	-188℃

Hazard Symbols	F+:Highly flammable;
Risk Codes	R12:;
Safety Description	S9:; S16:; S33:;