4-Chlorophtalic anhydride

Modify Date: 2025-08-26 14:44:59

4-Chlorophtalic anhydride Structure
4-Chlorophtalic anhydride structure
 Common Name 4-Chlorophtalic anhydride
CAS Number 118-45-6 Molecular Weight 182.561
Density 1.6±0.1 g/cm3 Boiling Point 299.8±13.0 °C at 760 mmHg
Molecular Formula C8H3ClO3 Melting Point 96°C
MSDS N/A Flash Point 142.4±18.8 °C

 Names

Name 4-Chlorophthalic Anhydride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 299.8±13.0 °C at 760 mmHg
Melting Point 96°C
Molecular Formula C8H3ClO3
Molecular Weight 182.561
Flash Point 142.4±18.8 °C
Exact Mass 181.977066
PSA 43.37000
LogP 2.19
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.627

 Safety Information

Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39
HS Code 2932999099

 Synthetic Route

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Chloro-2-benzofuran-1,3-dione
4-Chlorophthalic anhydride
5-Chloroisobenzofuran-1,3-dione
EINECS 204-251-9
1,3-Isobenzofurandione, 5-chloro-
4-Chlorophtalic anhydride
MFCD00152354
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