Crotonic anhydride

巴豆酸酐

Also known as: 2-Butenoic anhydride, trans-2-Butenoic anhydride, (2E)-2-Butenoic anhydride, 2-Butenoic acid, anhydride, 2-Butensureanhydrid, CROTONSAEUREANHYDRID, Crotonic Anhydride, EINECS 210-807-1, MFCD00009286, anhydridkyselinykrotonove, crotonicacidanhydride

Crotonic anhydride (CAS 623-68-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O3 and a molecular weight of 154.163 g/mol. It is also known as 2-Butenoic anhydride, trans-2-Butenoic anhydride and (2E)-2-Butenoic anhydride. Key properties include a melting point of 72ºC, a boiling point of 247.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 110.6±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
623-68-7
Jingsj CID
J-4444-6
Molecular Formula
C8H10O3
Chinese Name
巴豆酸酐
Molecular Weight
154.163 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point72ºC
Boiling Point247.0±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point110.6±0.0 °C

Frequently Asked Questions

What is the CAS number of Crotonic anhydride?

The CAS number of Crotonic anhydride is 623-68-7.

What are the molecular formula and molecular weight of Crotonic anhydride?

Crotonic anhydride has molecular formula C8H10O3 and molecular weight 154.163 g/mol.

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

Last updated:

How to cite: Jingsj. "Crotonic anhydride (CAS 623-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4444-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.