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4-(Trifluoromethoxy)cinnamic acid

Also known as: (2E)-3-[4-(trifluoromethoxy)phenyl]prop-2-enoic acid, 3-[4-(Trifluoromethoxy)phenyl]acrylic acid, p-Trifluoromethoxycinnamic acid, 4-Trifluoromethoxycinnamic acid, 3-(4-Trifluoromethoxyphenyl)-2-propenoic acid

4-(Trifluoromethoxy)cinnamic acid (CAS 783-13-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7F3O3 and a molecular weight of 232.15600 g/mol. Key properties include a melting point of 178-179ºC, a boiling point of 296.6ºC at 760 mmHg, a density of 1.403 g/cm3 and a flash point of 133.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
783-13-1
Jingsj CID
J-1477012-8
Molecular Formula
C10H7F3O3
Molecular Weight
232.15600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point178-179ºC
Boiling Point296.6ºC at 760 mmHg
Density1.403 g/cm3
Flash Point133.2ºC
Exact Mass232.03500
PSA46.53000
LogP2.68300

Customs & Trade Information

HS Code2918990090
Summary2918990090. 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 4-(Trifluoromethoxy)cinnamic acid?

The CAS number of 4-(Trifluoromethoxy)cinnamic acid is 783-13-1.

What are the molecular formula and molecular weight of 4-(Trifluoromethoxy)cinnamic acid?

4-(Trifluoromethoxy)cinnamic acid has molecular formula C10H7F3O3 and molecular weight 232.15600 g/mol.

What are the upstream and downstream products of 4-(Trifluoromethoxy)cinnamic acid?

For 4-(Trifluoromethoxy)cinnamic acid, Upstream Products: Malonic acid, 4-(Trifluoromethoxy)benzaldehyde; Downstream Products: 3-[4-(Trifluoromethoxy)phenyl]prop-2-enoyl chloride.

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-(Trifluoromethoxy)cinnamic acid (CAS 783-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1477012-8 (accessed 2026-11-09).

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