1,3-Dioxepane
Also known as: 1,3-Dioxacycloheptane, 1,4-Butanediol formal, 1,4-METHYLENEDIOXYBUTANE, Butandiolformal, Formaldehyde, cyclic tetramethylene acetal, NSC 62077, TETRAMETHYLENE FORMAL, Tetrahydro-1,3-dioxepin, [1,3]dioxepane
1,3-Dioxepane (CAS 505-65-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. Key properties include a boiling point of 139.5ºC at 760mmHg, a density of 0.96g/cm3 and a flash point of 37.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 505-65-7
- Jingsj CID
- J-3416-2
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.13200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 139.5ºC at 760mmHg |
|---|---|
| Density | 0.96g/cm3 |
| Flash Point | 37.7ºC |
| Exact Mass | 102.06800 |
| PSA | 18.46000 |
| LogP | 0.77090 |
| Refractive Index | 1.408 |
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 1,3-Dioxepane?
The CAS number of 1,3-Dioxepane is 505-65-7.
What are the molecular formula and molecular weight of 1,3-Dioxepane?
1,3-Dioxepane has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.
What are the upstream and downstream products of 1,3-Dioxepane?
For 1,3-Dioxepane, Upstream Products: Formaldehyde, 1,4-Butanediol, cis-4,7-Dihydro-1,3-dioxepin; Downstream Products: 4-Methoxy-1-butanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dioxepane (CAS 505-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3416-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.