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1,2,4,5-Benzenetetracarboxylic anhydride
Chemical Name 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 89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride
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||S37/39:;
MSDS Material Safety Data Sheet

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