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Oxepane-2,7-dione

Also known as: Adipic anhydride, 2,7-Oxepanedione, Hexanedioic anhydride, Hexahydrooxepin-2,7-dione, Butanedicarboxylic anhydride, Adipic acid anhydride

Oxepane-2,7-dione (CAS 2035-75-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O3 and a molecular weight of 128.126 g/mol. Key properties include a boiling point of 262.1±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 123.9±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2035-75-8
Jingsj CID
J-1517264-2
Molecular Formula
C6H8O3
Molecular Weight
128.126 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point262.1±9.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point123.9±15.9 °C
Exact Mass128.047348
PSA43.37000
LogP-0.65
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.458

Customs & Trade Information

HS Code2917190090
Summary2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Oxepane-2,7-dione?

The CAS number of Oxepane-2,7-dione is 2035-75-8.

What are the molecular formula and molecular weight of Oxepane-2,7-dione?

Oxepane-2,7-dione has molecular formula C6H8O3 and molecular weight 128.126 g/mol.

What are the upstream and downstream products of Oxepane-2,7-dione?

For Oxepane-2,7-dione, Upstream Products: Adipic acid, Dimethyl adipate, 2-Hydroxycyclohexan-1-one; Downstream Products: 1,6-Diphenyl-1,6-hexanedione, 5-Benzoylpentanoic acid, 6-Amino-6-oxohexanoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Oxepane-2,7-dione (CAS 2035-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517264-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.