Metan

Methane
General:
Molecular formulaCH4
Main hazardExtremely flammable (F+)
Autoignition temperature537 C
Explosion limits5 – 15%
AppearanceColourless gas
Molar mass16,0425 g/mol
Properties:
Density0,717 g/L (lighter than air)
Solubility in water3,5 mg/100 mL
Melting point-182,5 C (90,6 K)
Boiling point-161,6 C (111,55 K)
Health:
4 – Deadly
3 – Extreme danger
2 – Hazardous
1 – Slightly hazardous
0 – Normal materials
Fire:
4 – Very Flammable
3 – Readily Ignitable
2 – Ignited with heat
1 – Combustible
0 – Will not burn
Reactivity:
4 – May detonate
3 – Shock & heat may detonate
2 – Violent chemical change
1 – Unstable if heated
0 – Stable
Specific Hazard:
OXE – Oxidizer
ACID – Acid
ALK – Alkali
COR – Corrosive
W – Use no water