4-Methylcinnamic acid

对甲基肉桂酸

Also known as: (2E)-3-(4-methylphenyl)prop-2-enoic acid, 3-(4-methylphenyl)-2-propenoic acid, 3-(p-Tolyl)acrylic acid, p-Methylcinnamic acid, trans-4-methylcinnamic acid, Cinnamic acid, p-methyl-, AKOS BBB/231, AKOS BBS-00007857, BASF Luwipal 044, RARECHEM BK HC T309, MFCD00002697, EINECS 217-479-9

CAS No.
1866-39-3
Jingsj CID
J-27743-3
Molecular Formula
C10H10O2
Chinese Name
对甲基肉桂酸
Molecular Weight
162.185 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point196-198 °C(lit.)
Boiling Point300.6±11.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point206.1±10.2 °C

Frequently Asked Questions

What is the CAS number of 4-Methylcinnamic acid?

1866-39-3

What are the molecular formula and molecular weight of 4-Methylcinnamic acid?

C10H10O2, molecular weight 162.185 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026