dideuteriomethane
甲烷-d2
Also known as: Methane-d2, METHANE-D2, METHANE (D2, 98%), METHANE-D2, 98 ATOM % D, dideuteromethane, MFCD00144749
dideuteriomethane (CAS 676-55-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH2D2 and a molecular weight of 18.05480 g/mol. It is also known as Methane-d2, METHANE-D2 and METHANE (D2, 98%). Key properties include a melting point of -183ºC(lit.), a boiling point of -161ºC(lit.), a density of 0.55 (vs air) and a flash point of -188 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 676-55-1
- Jingsj CID
- J-23114-1
- Molecular Formula
- CH2D2
- Chinese Name
- 甲烷-d2
- Molecular Weight
- 18.05480 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -183ºC(lit.) |
|---|---|
| Boiling Point | -161ºC(lit.) |
| Density | 0.55 (vs air) |
| Flash Point | -188 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of dideuteriomethane?
The CAS number of dideuteriomethane is 676-55-1.
What are the molecular formula and molecular weight of dideuteriomethane?
dideuteriomethane has molecular formula CH2D2 and molecular weight 18.05480 g/mol.
Is dideuteriomethane hazardous?
dideuteriomethane has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "dideuteriomethane (CAS 676-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23114-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.