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4-Chlorophthalic Anhydride

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Origin: China

Cas No: 118-45-6

Specification: 99%min

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CAS No.: 118-45-6 Formula: C8H3ClO3 Molecular Weight: 182.56100

Description

4-Chlorophthalic anhydride is a monochlorinated aromatic anhydride. It is an isomer of 3-chlorophthalic anhydride and a derivative of phthalic anhydride.

Basic Info

Chemical Name	4-Chlorophthalic Anhydride
Synonyms	5-Chloroisobenzofuran-1,3-dione; 5-chloro-2-benzofuran-1,3-dione; 1,3-Isobenzofurandione, 5-chloro-; 4-Chlorophthalic anhydride;
CAS No.	118-45-6
Molecular Formula	C8H3ClO3
Molecular Weight	182.56100
PSA	43.37000
LogP	1.65060

Properties

Appearance & Physical State	white crystal powder
Density	1.594 g/cm3
Boiling Point	299.8ºC at 760 mmHg
Melting Point	96ºC
Flash Point	142.4ºC
Refractive Index	1.626
Vapor Pressure	0.00116mmHg at 25°C

Safety Info

Safety Statements	S26
HS Code	2932999099
Risk Statements	R36/37/38

Synthesis Route

phthalic anhydride→4-Chlorophthalic Anhydride+3-Chlorophthalic Anhydride
Trimellitic Anhydride Chloride→phthalic anhydride+4-Chlorophthalic Anhydride
2-Chloronaphthalene→phthalic anhydride+4-Chlorophthalic Anhydride

Precursor

4-Chlorophthalic acid
3,4-Dimethylchlorobenzene
3-Chlorophthalic acid
4-CHLOROPHTHALIC ACID MONOSODIUM SALT

Downstream Product

5-chloro-2-[3-(5-chloro-1,3-dioxoisoindol-2-yl)phenyl]isoindole-1,3-dione
5-Fluoro-1,3-isobenzofurandione
5-chloro-2-phenylisoindole-1,3-dione
4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)

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