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2-Chlorocinnamic Acid

Name: 2-Chlorocinnamic Acid
Synonyms Name: o-Chlorocinnamic acid; 2-Chlorocinnamic Acid; (2E)-3-(2-chlorophenyl)acrylic acid; 2-Chlorocinnamicacid; 3-(2-chlorophenyl)prop-2-enoic acid
CAS No.: 3752-25-8
EINECS No.: 223-154-2
Molecular Formula: C9H7ClO2
Molecular Weight: 182.6
Melting point:: 208-210 degrees Celsius
Vapour pressure: 0.0±0.7 mmHg at 25 degrees Celsius
Refractive index: 1.628
Appearance: White crystal powder
Purity: >99%
Package specification: 200kg/blue barrel
Storage: Room temperature, avoid light, ventilated and dry place, seal save
Stability: Stable under normal temperature and pressure

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  • 3752-25-8

2-Chlorocinnamic Acid - 2

Product Description:

2-Chlorocinnamic acid, with the CAS registry number 3752-25-8, is also known as o-Chlorocinnamic acid. It belongs to the product categories of Aromatic Cinnamic Acids, Esters and Derivatives; Cinnamic Acid; Acids & Esters; Chlorine Compounds. Its EINECS registry number is 223-154-2. This chemical's molecular formula is C9H7ClO2 and molecular weight is 182.60368. Its IUPAC name is called (E)-3-(2-chlorophenyl)prop-2-enoic acid. The product should be sealed and stored in cool and dry place.

2-Chlorocinnamic Acid can be used to produce 3-(2-chloro-phenyl)-acryloyl chloride. This reaction will need reagent thionyl chloride.

Specifications of 2-Chlorocinnamic Acid:

Product Name

2-Chlorocinnamic acid


3-(2-Chlorophenyl)propenoic acid; Chlorocinnamicacid; 2-Chlorocinnamic acid,predominantly trans; (2E)-3-(2-chlorophenyl)prop-2-enoic acid; (2E)-3-(2-chlorophenyl)prop-2-enoate

Molecular Formula


Molecular Weight




CAS Registry Number




Melting point

209-212 degrees Celsius

Boiling point

321.6 degrees Celsius at 760 mmHg

Flash point

148.3 degrees Celsius

Vapour Pressur

0.000122mmHg at 25 degrees Celsius



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