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1,2,4,5-Benzenetetracarboxylic anhydride

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  Post Date: Jul 11,2014
  Expiry Date: Jan 07,2015
  Detailed Description: Cas No. :89-32-7 Specs:95%
Payment Method: L/C T/T Western Union MoneyGram

Englishname:PyromelliticdianhydrideCASnumber:89-32-7Purity:98%minCASNO.89-32-7

H.S291739

FormulaC10H2O6

M.W218.12

Purity 99%

MeltingPoint284-287°C

BoilingPoint397-400°C

Appearance Whiteorlightyellowcrystal

UsualPacking25kgfiberdrumninnerplasticbag

ApplicationMainlyusedasrawmaterialofpolyimide,solidifyingagentofepoxideresin

  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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