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3-Oxabicyclo[3.1.0]hexane-2,4-dione

Also known as: 1,2-Cyclopropanedicarboxylic anhydride, Cyclopropane-1,2-dicarboxylic acid anhydride, 3-Oxabicyclo[3.1.0]hexane-2,4-dione, Cyclopropan-1,2-dicarbonsaeure-anhydrid, MFCD00126929

3-Oxabicyclo[3.1.0]hexane-2,4-dione (CAS 5617-74-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H4O3 and a molecular weight of 112.084 g/mol. Key properties include a melting point of 59-61ºC(lit.), a boiling point of 280.5±9.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 143.3±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5617-74-3
Jingsj CID
J-1323771-3
Molecular Formula
C5H4O3
Molecular Weight
112.084 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point59-61ºC(lit.)
Boiling Point280.5±9.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point143.3±15.9 °C
Exact Mass112.016045
PSA43.37000
LogP-1.45
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.556

Customs & Trade Information

HS Code2917209090
Summary2917209090 other cyclanic, cyclenic or cyclotherpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Oxabicyclo[3.1.0]hexane-2,4-dione?

The CAS number of 3-Oxabicyclo[3.1.0]hexane-2,4-dione is 5617-74-3.

What are the molecular formula and molecular weight of 3-Oxabicyclo[3.1.0]hexane-2,4-dione?

3-Oxabicyclo[3.1.0]hexane-2,4-dione has molecular formula C5H4O3 and molecular weight 112.084 g/mol.

What are the upstream and downstream products of 3-Oxabicyclo[3.1.0]hexane-2,4-dione?

For 3-Oxabicyclo[3.1.0]hexane-2,4-dione, Upstream Products: (+/-)-trans-1,2-Cyclopropanedicarboxylic acid, DIETHYL 1,2-CYCLOPROPANEDICARBOXYLATE, cis-1,2-Cyclopropanedicarboxylic acid; Downstream Products: Dimethyl cis-1,2-cyclopropanedicarboxylate, diethyl cis-cyclopropane-1,2-dicarboxylate, 3-Benzyl-3-azabicyclo[3.1.0]hexane.

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-Oxabicyclo[3.1.0]hexane-2,4-dione (CAS 5617-74-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323771-3 (accessed 2026-11-09).

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