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2-oxo-4-phenylbut-3-enoic acid

2-氧代-4-苯基-3-丁烯酸

Also known as: benzylidenepyruvic acid, 2-oxo-4-phenyl-3-butenoic acid, (E)-2-oxo-4-phenylbut-3-enoic acid, 3-Butenoic acid, 2-oxo-4-phenyl-

2-oxo-4-phenylbut-3-enoic acid (CAS 17451-19-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O3 and a molecular weight of 176.16900 g/mol. It is also known as benzylidenepyruvic acid, 2-oxo-4-phenyl-3-butenoic acid and (E)-2-oxo-4-phenylbut-3-enoic acid. Key properties include a boiling point of 319.7ºC at 760mmHg, a density of 1.27g/cm3 and a flash point of 161.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17451-19-3
Jingsj CID
J-1422017-7
Molecular Formula
C10H8O3
Chinese Name
2-氧代-4-苯基-3-丁烯酸
Molecular Weight
176.16900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point319.7ºC at 760mmHg
Density1.27g/cm3
Flash Point161.3ºC

Frequently Asked Questions

What is the CAS number of 2-oxo-4-phenylbut-3-enoic acid?

The CAS number of 2-oxo-4-phenylbut-3-enoic acid is 17451-19-3.

What are the molecular formula and molecular weight of 2-oxo-4-phenylbut-3-enoic acid?

2-oxo-4-phenylbut-3-enoic acid has molecular formula C10H8O3 and molecular weight 176.16900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-oxo-4-phenylbut-3-enoic acid (CAS 17451-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422017-7 (accessed 2026-10-22).

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