Heynova (Shanghai) New Material Technology CO., Ltd.
Heynova (Shanghai) New Material Technology CO., Ltd.
4-Chlorophthalic anhydride 118-45-6 C8H3ClO3

4-Chlorophthalic anhydride 118-45-6 C8H3ClO3

CAS No.: 118-45-6

Product name: 4-Chlorophthalic anhydride

Appearance: Colorless to light yellow crystalline solid

Purity(HPLC): ≥99%

Molecular formula: C8H3ClO3

Molecular weight: 182.56

Package: In Aluminum foil bag, cartons outside.

Storage: Preserve in a well-closed container and keep in cool, dry place, avoid light.

4-Chlorophthalic anhydride 118-45-6 C8H3ClO3

Application of 4-Chlorophthalic anhydride 118-45-6 C8H3ClO3


  • 4-Chlorophthalic anhydride is a colorless to pale yellow crystalline solid soluble in many organic solvents. It is an acidic substance that reacts with bases to form salts and water. 4-Chlorophthalic anhydride can be prepared by reacting phthalic anhydride with aluminum chloride. It is also employed in organic synthesis reactions such as esterification, amination, and hydroxymethylation of alkenes.

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4-Chlorophthalic anhydride 118-45-6 C8H3ClO3
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