MethaneCH4

CAS-No.:
74-82-8
UN-No.:
1971
EC-No.:
200-812-7
Hazard identification number:
23
Warning sign:
  • 23
  • 1971
Hazard signs
GHS02
GHS04
  • H: 220
    Extremely flammable gas
  • H: 280
    Contains gas under pressure; may explode if heated
  • Melting point:
    -182.47 °C
  • Boiling Point:
    -161.5 °C
  • Density (at 20 °C, if not notified otherwise):
    0,0007175 (0°C) g/cm3
  • Ionization:
    12.61 ± 0.01 eV
  • Ignition Temperature:
    595 °C
  • Lower Explosive Limit:
    4.4 Vol.-%
  • Upper Explosive Limit:
    17 Vol.-%
  •  
Also known as:
  • Carbon tetrahydride
  • Hydrogen carbide
  • Marsh gas
  • Natural gas
  • R-50

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