trans-4-(Trifluoromethyl)cinnamic acid

4-三氟甲基肉桂酸

Also known as: 4-(Trifluoromethyl)cinnamic acid, 4-Trifluoromethylcinnamic acid, p-(Trifluoromethyl)cinnamic acid, trans-4-(Trifluoromethyl)cinnamic acid, (2E)-3-[4-(trifluoromethyl)phenyl]prop-2-enoic acid, PTF-CNA, MFCD00002696, (2E)-3-[4-(trifluoromethyl)phenyl]acrylic acid, 3-(4-Trifluoromethyl-phenyl)-acrylic acid, RARECHEM BK HW 0019

trans-4-(Trifluoromethyl)cinnamic acid (CAS 16642-92-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7F3O2 and a molecular weight of 216.157 g/mol. It is also known as 4-(Trifluoromethyl)cinnamic acid, 4-Trifluoromethylcinnamic acid and p-(Trifluoromethyl)cinnamic acid. Key properties include a melting point of 231-233 °C(lit.), a boiling point of 279.2±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 122.6±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16642-92-5
Jingsj CID
J-12742-6
Molecular Formula
C10H7F3O2
Chinese Name
4-三氟甲基肉桂酸
Molecular Weight
216.157 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point231-233 °C(lit.)
Boiling Point279.2±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point122.6±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of trans-4-(Trifluoromethyl)cinnamic acid?

The CAS number of trans-4-(Trifluoromethyl)cinnamic acid is 16642-92-5.

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

trans-4-(Trifluoromethyl)cinnamic acid has molecular formula C10H7F3O2 and molecular weight 216.157 g/mol.

Is trans-4-(Trifluoromethyl)cinnamic acid hazardous?

trans-4-(Trifluoromethyl)cinnamic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "trans-4-(Trifluoromethyl)cinnamic acid (CAS 16642-92-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12742-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.