Oxetane
Also known as: Trimethylene oxide, 1,3-Epoxypropane, Oxacyclobutane, Cyclooxabutane
Oxetane (CAS 503-30-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H6O and a molecular weight of 58.079 g/mol. Key properties include a melting point of -97°C, a boiling point of 49.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of -32.0±15.3 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 503-30-0
- Jingsj CID
- J-4709-0
- Molecular Formula
- C3H6O
- Molecular Weight
- 58.079 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -97°C |
|---|---|
| Boiling Point | 49.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | -32.0±15.3 °C |
| Exact Mass | 58.041866 |
| PSA | 9.23000 |
| LogP | -0.24 |
| Vapor Pressure | 317.0±0.0 mmHg at 25°C |
| Refractive Index | 1.412 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
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 Oxetane?
The CAS number of Oxetane is 503-30-0.
What are the molecular formula and molecular weight of Oxetane?
Oxetane has molecular formula C3H6O and molecular weight 58.079 g/mol.
Is Oxetane hazardous?
Oxetane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of Oxetane?
For Oxetane, Upstream Products: 3-Chloropropyl acetate, 1,3-Propanediol, 3-Bromo-1-propanol; Downstream Products: Ethyl tetrahydro-2-furoate, Ethyl methoxyacetate, Ethyl 2-(oxetan-2-yl)acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Oxetane (CAS 503-30-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4709-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.