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Pyromellitic dianhydride

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  Post Date: Sep 04,2019
  Expiry Date: Sep 03,2020
  Detailed Description: Cas No. :89-32-7 Specs:99.5%
1,2,4,5-Benzenetetracarboxylic anhydride
Synonyms Pyromellitic dianhydride; 1,2,4,5-Benzenetetracarboxylic dianhydride; benzene-1,2:4,5-tetracarboxylic dianhydride; PMDA; 1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone; Pyromellitic Dianhydride
Molecular Formula C10H2O6
Molecular Weight 218.1193
CAS Registry Number 89-32-7
EINECS 201-898-9
Molecular Structure
Density 1.885g/cm3
Melting point 283-287℃
Boiling point 398.6°C at 760 mmHg
Refractive index 1.708
Flash point 183.5°C
Water solubility decomposes
Vapour Pressur 1.45E-06mmHg at 25°C
Hazard Symbols Xn:Harmful;

Risk Codes R41:;
R42/43:;

Safety Description S22:;
S24:;
S26:;


  CAS Registry Number:

89-32-7
  Synonyms: ;Pyromellitic dianhydride;1,2,4,5-Benzenetetracarboxylic dianhydride;benzene-1,2:4,5-tetracarboxylic dianhydride;PMDA;1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone;Pyromellitic Dianhydride;
  Molecular Formula: C10H2O6
  Molecular Weight: 218.1193
  Molecular Structure: 89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R41:;
R42/43:;
  Safety Description: S22:;
S24:;
S26:;
S37/39:;

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