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117-21-5

Basic Information
CAS No.: 117-21-5
Name: 3-CHLOROPHTHALIC ANHYDRIDE
Article Data: 17
Molecular Structure:
Molecular Structure of 117-21-5 (3-CHLOROPHTHALIC ANHYDRIDE)
Formula: C8H3ClO3
Molecular Weight: 182.563
Synonyms: Phthalicanhydride, 3-chloro- (6CI,7CI,8CI);3-Chlorophthalic acid anhydride;4-Chloroisobenzofuran-1,3-dione;NSC 122937;
EINECS: 204-179-8
Density: 1.594 g/cm3
Melting Point: 123-126 °C
Boiling Point: 317.2 °C at 760 mmHg
Flash Point: 152.2 °C
Appearance: White or pale yellow crystalline powder and chunks
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 37/39-26
PSA: 43.37000
LogP: 1.65060
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    3-CHLOROPHTHALIC ANHYDRIDE

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  • 3-CHLOROPHTHALIC ANHYDRIDE

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    3-CHLOROPHTHALIC ANHYDRIDE

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  • 3-Chlorophthalic anhydride

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    3-Chlorophthalic anhydride

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    4-Chloroisobenzofuran-1,3-dione

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  • 3-CHLOROPHTHALIC ANHYDRIDE

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    117-21-5

    3-CHLOROPHTHALIC ANHYDRIDE

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  • 3-CHLOROPHTHALIC ANHYDRIDE CAS No.117-21-5

  • Casno:

    117-21-5

    3-CHLOROPHTHALIC ANHYDRIDE CAS No.117-21-5

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  • 3-Chlorophthalic acid anhydride

  • Casno:

    117-21-5

    3-Chlorophthalic acid anhydride

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Chemistry

Molecular structure :
Molecular Formula: C8H3ClO3
Formula Weight: 182.56
Melting point: 123-126 °C 
Appearance:Colorless or light yellow flake solid

Uses

1.3-Chlorophthalic anhydride is the  important  polymerization monomer in the process of Synthesis of polyimide.
2.3-Chlorophthalic anhydride is widely used in aviation, aerospace, microelectronics ,atomic energy and other high-tech field

Safety Profile

Hazard Codes : Xi
Risk Statements : 36/37/38
Safety Statements : 37/39-26