3-(4-Methylbenzoyl)acrylic acid

反式-3-(4-甲基苯甲酰)丙烯酸

Also known as: 3-(4-Methylbenzoyl)acrylic acid, (E)-4-(4-Methylphenyl)-4-oxo-2-butenoic acid, (2E)-4-(4-Methylphenyl)-4-oxobut-2-enoic acid, 4-oxo-4-p-tolyl-trans-crotonic acid, trans-3-(4-Methylbenzoyl)acrylic acid, 3-(4-Methyl benzoyl)acrylic acid, AKOS BBS-00002156, MFCD00075338, AURORA 23286, OTAVA-BB BB7110952593

3-(4-Methylbenzoyl)acrylic acid (CAS 20972-36-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H10O3 and a molecular weight of 190.19500 g/mol. It is also known as (E)-4-(4-Methylphenyl)-4-oxo-2-butenoic acid, (2E)-4-(4-Methylphenyl)-4-oxobut-2-enoic acid and 4-oxo-4-p-tolyl-trans-crotonic acid. Key properties include a melting point of 138-140 °C(lit.), a boiling point of 361.8ºC at 760 mmHg, a density of 1.2g/cm3 and a flash point of 186.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20972-36-5

Jingsj CID

J-47430-8

Molecular Formula

C₁₁H₁₀O₃

Chinese Name

反式-3-(4-甲基苯甲酰)丙烯酸

Molecular Weight

190.19500 g/mol

Category

Organic Acids

Last updated

8/21/2026