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METHANE

Also known as: Biogas, EINECS 200-812-7, Fire damp, MFCD00008279, Methan, carbane, firedamp, methane

METHANE (CAS 74-82-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH4 and a molecular weight of 16.04250 g/mol. Key properties include a melting point of −183 °C(lit.), a boiling point of −161 °C(lit.), a density of 0.716 g/mL at 25 °C(lit.) and a flash point of -188 ºC. It is classified under GHS with signal word Danger and hazard statements H220 and H280. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
74-82-8
Jingsj CID
J-47739-0
Molecular Formula
CH4
Molecular Weight
16.04250 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−183 °C(lit.)
Boiling Point−161 °C(lit.)
Density0.716 g/mL at 25 °C(lit.)
Flash Point-188 ºC
Exact Mass16.03130
LogP0.63610
Additional Property0.55 (vs air)

GHS Safety & Compliance

Flammable / Compressed GasSignal word: Danger
  • H220
  • H280

Frequently Asked Questions

What is the CAS number of METHANE?

The CAS number of METHANE is 74-82-8.

What are the molecular formula and molecular weight of METHANE?

METHANE has molecular formula CH4 and molecular weight 16.04250 g/mol.

Is METHANE hazardous?

METHANE has GHS signal word Danger and hazard statements H220; H280.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "METHANE (CAS 74-82-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47739-0 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.