trans-3,5-Bis(trifluoromethyl)cinnamic acid

反式-3,5-双(三氟甲基)肉桂酸

Also known as: 3,5-Bis(trifluoromethyl)cinnamic acid, (E)-3,5-Bis(trifluoromethyl)cinnamic acid, 3,5-ditrifluoromethylcinnamic acid, 3-(3,5-Bis(trifluoromethyl)phenyl)acrylic acid, (2E)-3-[3,5-Bis(trifluoromethyl)phenyl]-2-propenoic acid, MFCD00799487

trans-3,5-Bis(trifluoromethyl)cinnamic acid (CAS 155814-20-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H6F6O2 and a molecular weight of 284.15500 g/mol. It is also known as 3,5-Bis(trifluoromethyl)cinnamic acid, (E)-3,5-Bis(trifluoromethyl)cinnamic acid and 3,5-ditrifluoromethylcinnamic acid. Key properties include a melting point of 166-169, a boiling point of 273.9ºC at 760mmHg, a density of 1.479g/cm3 and a flash point of 119.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
155814-20-3
Jingsj CID
J-49482-7
Molecular Formula
C11H6F6O2
Chinese Name
反式-3,5-双(三氟甲基)肉桂酸
Molecular Weight
284.15500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point166-169
Boiling Point273.9ºC at 760mmHg
Density1.479g/cm3
Flash Point119.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of trans-3,5-Bis(trifluoromethyl)cinnamic acid?

The CAS number of trans-3,5-Bis(trifluoromethyl)cinnamic acid is 155814-20-3.

What are the molecular formula and molecular weight of trans-3,5-Bis(trifluoromethyl)cinnamic acid?

trans-3,5-Bis(trifluoromethyl)cinnamic acid has molecular formula C11H6F6O2 and molecular weight 284.15500 g/mol.

Is trans-3,5-Bis(trifluoromethyl)cinnamic acid hazardous?

trans-3,5-Bis(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-3,5-Bis(trifluoromethyl)cinnamic acid (CAS 155814-20-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49482-7 (accessed 2026-10-23).

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