Product Name

4-Chlorophthalic anhydride CAS 118-45-6

Basic Information

CAS No:118-45-6
Molecular Formula:C8H3ClO3
Molecular Weight:182.561
Remarks:Factory direct sales

4-Chlorophthalic anhydride Properties




White Powder



Melting point/℃96
density(Kg/m³)1600(rough estimate)
refractive index1.627
Flash point/℃141.2
storage temproom temperature

4-Chlorophthalic anhydride USES

Pharmaceutical synthesis intermediate, also used in the synthesis of biphenyl dianhydride, monoether dianhydride, sulfide dianhydride, and diether dianhydride

4-Chlorophthalic anhydride Packaging

Packing: 25Kg,100Kg,200Kg,1000Kg/Drum

4-Chlorophthalic anhydride storage

  1. Store barreled products in a cool, ventilated warehouse; keep away from

fire and heat sources. The warehousing temperature does not exceed 30 ℃, and the relative

humidity does not exceed 80%. Keep the container sealed; products should be stored separately

from oxidants, reducing agents, etc., and should not be mixed; be equipped with fire-fighting

equipment of appropriate variety and quantity; the storage area should be equipped with

equipment for emergency treatment of leakage and suitable containment materials;

  1. Store in a special storage tank; keep away from fire and heat sources; there is fire-fighting foam

for a fire emergency, and the tank area is equipped with equipment for the emergency treatment of


  1. Shelf life: The shelf life of this product is 6 months.

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