4,5-Dimethyl-1,3-dioxol-2-one
Also known as: DMDO, Dimethylvinylene carbonate, 1,3-Dioxol-2-one, 4,5-dimethyl-, 4,5-Dimethyl-2-oxo-1,3-dioxole, 4,5-Dimethyl-1,3-dioxolen-2-one
4,5-Dimethyl-1,3-dioxol-2-one (CAS 37830-90-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6O3 and a molecular weight of 114.099 g/mol. Key properties include a melting point of 78°C, a boiling point of 117.0±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 55.8±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37830-90-3
- Jingsj CID
- J-2901-2
- Molecular Formula
- C5H6O3
- Molecular Weight
- 114.099 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78°C |
|---|---|
| Boiling Point | 117.0±23.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 55.8±16.7 °C |
| Exact Mass | 114.031693 |
| PSA | 43.35000 |
| LogP | 1.45 |
| Vapor Pressure | 17.8±0.2 mmHg at 25°C |
| Refractive Index | 1.455 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4,5-Dimethyl-1,3-dioxol-2-one?
The CAS number of 4,5-Dimethyl-1,3-dioxol-2-one is 37830-90-3.
What are the molecular formula and molecular weight of 4,5-Dimethyl-1,3-dioxol-2-one?
4,5-Dimethyl-1,3-dioxol-2-one has molecular formula C5H6O3 and molecular weight 114.099 g/mol.
What are the upstream and downstream products of 4,5-Dimethyl-1,3-dioxol-2-one?
For 4,5-Dimethyl-1,3-dioxol-2-one, Upstream Products: Acetoin, Bis(trichloromethyl) carbonate; Downstream Products: 4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one, 4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one, 4-(Bromomethyl)-5-methyl-1,3-dioxol-2-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dimethyl-1,3-dioxol-2-one (CAS 37830-90-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2901-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.