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5-chloro-2-nitrocinnamic acid

5-氯-2-硝基肉桂酸

Also known as: 2-Propenoic acid, 3-(5-chloro-2-nitrophenyl)-, 3-(5-Chloro-2-nitrophenyl)acrylic acid, 5-CHLORO-2-NITROCINNAMIC ACID, 5-Chlor-2-nitro-zimtsaeure, 5-Chlor-o-nitrozimtsaeure, 5-chloro-2-nitro-cinnamic acid, RARECHEM BK HW 0229

5-chloro-2-nitrocinnamic acid (CAS 20357-28-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6ClNO4 and a molecular weight of 227.60100 g/mol. It is also known as 2-Propenoic acid, 3-(5-chloro-2-nitrophenyl)-, 3-(5-Chloro-2-nitrophenyl)acrylic acid and 5-CHLORO-2-NITROCINNAMIC ACID. Key properties include a melting point of 174-175ºC, a boiling point of 417.2ºC at 760 mmHg, a density of 1.529 g/cm3 and a flash point of 206.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20357-28-2
Jingsj CID
J-1028064-1
Molecular Formula
C9H6ClNO4
Chinese Name
5-氯-2-硝基肉桂酸
Molecular Weight
227.60100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point174-175ºC
Boiling Point417.2ºC at 760 mmHg
Density1.529 g/cm3
Flash Point206.1ºC

Frequently Asked Questions

What is the CAS number of 5-chloro-2-nitrocinnamic acid?

The CAS number of 5-chloro-2-nitrocinnamic acid is 20357-28-2.

What are the molecular formula and molecular weight of 5-chloro-2-nitrocinnamic acid?

5-chloro-2-nitrocinnamic acid has molecular formula C9H6ClNO4 and molecular weight 227.60100 g/mol.

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

Last updated:

How to cite: Jingsj. "5-chloro-2-nitrocinnamic acid (CAS 20357-28-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028064-1 (accessed 2026-10-25).

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