3,3-Dimethyloxetane
Also known as: 1,3-Epoxy-2,2-dimethylpropane, 1,3-epoxy-2,2-dimethyl-propan, 3,3-Dimethyltrimethylene oxide, 3,3-dimethyl-oxetan, 3,3-dimethyloxetane, 3,3-dimethyltrimethyleneoxide, beta,beta-Dimethyltrimethylene oxide, beta,beta-dimethyltrimethyleneoxide, β,β-Dimethyloxetane, 3,3-Dimethyloxacyclobutane, Oxetane, 3,3-dimethyl-, MFCD00005168
3,3-Dimethyloxetane (CAS 6921-35-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H10O and a molecular weight of 86.13230 g/mol. Key properties include a boiling point of 81ºC, a density of 0.835 and a flash point of -9ºC. 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.
- 6921-35-3
- Jingsj CID
- J-1033515-6
- Molecular Formula
- C5H10O
- Molecular Weight
- 86.13230 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 81ºC |
|---|---|
| Density | 0.835 |
| Flash Point | -9ºC |
| Exact Mass | 86.07320 |
| PSA | 9.23000 |
| LogP | 1.04280 |
| Refractive Index | 1.399 |
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 3,3-Dimethyloxetane?
The CAS number of 3,3-Dimethyloxetane is 6921-35-3.
What are the molecular formula and molecular weight of 3,3-Dimethyloxetane?
3,3-Dimethyloxetane has molecular formula C5H10O and molecular weight 86.13230 g/mol.
Is 3,3-Dimethyloxetane hazardous?
3,3-Dimethyloxetane 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 3,3-Dimethyloxetane?
For 3,3-Dimethyloxetane, Upstream Products: 3-Bromo-2,2-dimethyl-1-propanol, 3-Chloro-2,2-dimethyl-1-propanol, Neopentyl glycol; Downstream Products: 1,3-Dibromo-2,2-dimethylpropane, 3-Bromo-2,2-dimethyl-1-propanol, 2,2-Dimethyl-5-hexen-1-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3-Dimethyloxetane (CAS 6921-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033515-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.