CAS Number: 118-45-6
Chemical Formula: C₈H₃ClO₃
Número CAS: 118-45-6
IUPAC Name: 5-chloro-2-benzofuran-1,3-dione
EC Number: 204-251-9
Molecular Weight: 182.56
Grado de pureza: Grado industrial
Aplicación: Materia prima para monómeros de dianhídrido utilizados en plásticos de ingeniería de poliimida

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Descripción adicional:

Hangzhou Verychem Science and Technology Co. Ltd manufactures this industrial-grade 4-chlorophthalic anhydride (CAS 118-45-6, also known as 5-chloro-2-benzofuran-1,3-dione) in-house. The company describes it as a key raw material for producing biphenyl tetracarboxylic dianhydride, diphenyl ether tetracarboxylic dianhydride, diphenyl sulfide tetracarboxylic dianhydride, and related monomers used to make high-temperature-resistant polyimide engineering plastics; samples are available, and it is sold across North America, Central/South America, Western Europe, Eastern Europe, Australasia, Asia, and the Middle East.