trichloroacrylic acid

三氯丙烯酸

Also known as: 2,3,3-Trichloroacrylic acid, 2,3,3-Trichloro-2-propenoic acid, Trichloropropenoic acid, Perchlorovinylic acid, 2-Propenoic acid, 2,3,3-trichloro-, Trichloro-acrylic acid, Trichloracrylsaeure

trichloroacrylic acid (CAS 2257-35-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3HCl3O2 and a molecular weight of 175.39800 g/mol. It is also known as 2,3,3-Trichloroacrylic acid, 2,3,3-Trichloro-2-propenoic acid and Trichloropropenoic acid. Key properties include a melting point of 72-74ºC, a boiling point of 278.1ºC at 760mmHg, a density of 1g/cm3 and a flash point of 124.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2257-35-4
Jingsj CID
J-33027-5
Molecular Formula
C3HCl3O2
Chinese Name
三氯丙烯酸
Molecular Weight
175.39800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point72-74ºC
Boiling Point278.1ºC at 760mmHg
Density1g/cm3
Flash Point124.4ºC

Frequently Asked Questions

What is the CAS number of trichloroacrylic acid?

The CAS number of trichloroacrylic acid is 2257-35-4.

What are the molecular formula and molecular weight of trichloroacrylic acid?

trichloroacrylic acid has molecular formula C3HCl3O2 and molecular weight 175.39800 g/mol.

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

Last updated:

How to cite: Jingsj. "trichloroacrylic acid (CAS 2257-35-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33027-5 (accessed 2026-10-24).

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