2,5-Dimethoxycinnamic acid

Also known as: (2E)-3-(2,5-dimethoxyphenyl)prop-2-enoic acid, 3-(2,5-Dimethoxyphenyl)acrylic acid, 2,5-Dimethoxycinnamic acid, predominantly trans, 2,5-Dimethoxycinnamic acid, 2,5-Dimethoxycinnamic acid, predominantly trans, 2-Propenoic acid, 3-(2,5-dimethoxyphenyl)-, trans-2,5-Dimethoxycinnamic acid, MFCD00004378, EINECS 234-114-9

2,5-Dimethoxycinnamic acid (CAS 10538-51-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12O4 and a molecular weight of 208.211 g/mol. Key properties include a melting point of 147-150°C, a boiling point of 374.5±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 147.3±17.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 10538-51-9
Jingsj CID: J-42262-8
Molecular Formula: C₁₁H₁₂O₄
Molecular Weight: 208.211 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	147-150°C
Boiling Point	374.5±27.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	147.3±17.2 °C
Exact Mass	208.073563
PSA	55.76000
LogP	2.44
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.574

Customs & Trade Information

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,5-Dimethoxycinnamic acid?

The CAS number of 2,5-Dimethoxycinnamic acid is 10538-51-9.

What are the molecular formula and molecular weight of 2,5-Dimethoxycinnamic acid?

2,5-Dimethoxycinnamic acid has molecular formula C11H12O4 and molecular weight 208.211 g/mol.

What are the upstream and downstream products of 2,5-Dimethoxycinnamic acid?

For 2,5-Dimethoxycinnamic acid, Upstream Products: Malonic acid, 2,5-Dimethoxybenzaldehyde, iodomethane; Downstream Products: 6-Hydroxycoumarin, 2,5-Dimethoxybenzaldehyde.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,5-Dimethoxycinnamic acid (CAS 10538-51-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42262-8 (accessed 2026-11-09).

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