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4-Phenylbut-3-enoic acid

Also known as: 4-Phenylbut-3-enoic acid, 3-Butenoic acid, 4-phenyl-, styrylacetic acid, STYRYLACETIC ACID

4-Phenylbut-3-enoic acid (CAS 2243-53-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10O2 and a molecular weight of 162.18500 g/mol. Key properties include a melting point of 84-86ºC(lit.), a boiling point of 302ºC at 760mmHg, a density of 1.145g/cm3 and a flash point of 215.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2243-53-0
Jingsj CID
J-1378462-8
Molecular Formula
C10H10O2
Molecular Weight
162.18500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point84-86ºC(lit.)
Boiling Point302ºC at 760mmHg
Density1.145g/cm3
Flash Point215.8ºC
Exact Mass162.06800
PSA37.30000
LogP2.17450
Refractive Index1.598

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic 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 4-Phenylbut-3-enoic acid?

The CAS number of 4-Phenylbut-3-enoic acid is 2243-53-0.

What are the molecular formula and molecular weight of 4-Phenylbut-3-enoic acid?

4-Phenylbut-3-enoic acid has molecular formula C10H10O2 and molecular weight 162.18500 g/mol.

What are the upstream and downstream products of 4-Phenylbut-3-enoic acid?

For 4-Phenylbut-3-enoic acid, Downstream Products: 3-Benzoylacrylic acid, (E)-4-Phenylbut-2-enoic acid, 3-Benzoylpropionic 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. "4-Phenylbut-3-enoic acid (CAS 2243-53-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378462-8 (accessed 2026-11-09).

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