dimethoxymethane
Also known as: Methylal, Formal, Formaldehyde dimethyl acetal, Methylene dimethyl ether, Dimethyl formal, 2,4-Dioxapentane
dimethoxymethane (CAS 109-87-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H8O2 and a molecular weight of 76.094 g/mol. Key properties include a melting point of -105 °C, a boiling point of 45.2±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -17.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109-87-5
- Jingsj CID
- J-44822-6
- Molecular Formula
- C3H8O2
- Molecular Weight
- 76.094 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -105 °C |
|---|---|
| Boiling Point | 45.2±8.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | -17.2±0.0 °C |
| Exact Mass | 76.052429 |
| PSA | 18.46000 |
| LogP | -0.26 |
| Vapor Pressure | 364.6±0.1 mmHg at 25°C |
| Refractive Index | 1.348 |
| Additional Property | 32.3 g/100 mL (16 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2909199090 |
|---|---|
| Summary | 2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of dimethoxymethane?
The CAS number of dimethoxymethane is 109-87-5.
What are the molecular formula and molecular weight of dimethoxymethane?
dimethoxymethane has molecular formula C3H8O2 and molecular weight 76.094 g/mol.
Is dimethoxymethane hazardous?
dimethoxymethane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of dimethoxymethane?
For dimethoxymethane, Upstream Products: Methanol, Formaldehyde, Dimethyl ether; Downstream Products: (5-Methyl-1,3-dioxan-5-yl)methanol, 1,1-Dimethoxyethane, diethoxymethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "dimethoxymethane (CAS 109-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44822-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.