Formaldehyde-d2
Also known as: (2H2)Formaldehyde, dideuteriomethanone, Formalin-d2, Formalin-D2 (20% w/w in D2O), Formalin-D2 (20% w/w in H2O), Formaldehyde-d2 solution, perdeuteroformaldehyde, d2-formaldehyde, MFCD00144373
Formaldehyde-d2 (CAS 1664-98-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula CD2O and a molecular weight of 32.038 g/mol. Key properties include a boiling point of -19.5±9.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -75.1±13.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1664-98-8
- Jingsj CID
- J-34841-4
- Molecular Formula
- CD2O
- Molecular Weight
- 32.038 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | -19.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.7±0.1 g/cm3 |
| Flash Point | -75.1±13.7 °C |
| Exact Mass | 32.023117 |
| PSA | 17.07000 |
| LogP | 0.35 |
| Vapor Pressure | 3463.8±0.0 mmHg at 25°C |
| Refractive Index | 1.235 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
- H334 — May cause allergy or asthma symptoms if inhaled
- H351 — Suspected of causing cancer
Frequently Asked Questions
What is the CAS number of Formaldehyde-d2?
The CAS number of Formaldehyde-d2 is 1664-98-8.
What are the molecular formula and molecular weight of Formaldehyde-d2?
Formaldehyde-d2 has molecular formula CD2O and molecular weight 32.038 g/mol.
Is Formaldehyde-d2 hazardous?
Formaldehyde-d2 has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Formaldehyde-d2?
For Formaldehyde-d2, Upstream Products: (2H3)Methanol, Methanol-d4, Dihydroxyfumaric acid; Downstream Products: Sodium formate-d, N,N-Dimethylformamide-d1, (2H2)Methanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Formaldehyde-d2 (CAS 1664-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34841-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.