About PMDA
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PMDA
Product Name: 1,2,4,5-Benzenetetracarboxylic anhydride
Synonyms:433 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
CAS RN.: 89-32-7
EINECS: 201-898-9 Molecular Weight: 218.1193 Molecular Formula: C10H2O6 Density: 1.885g/cm3 Melting Point(℃): 283-287℃ Boiling Point(℃): 398.6°C at 760 mmHg Flash Point(℃): 183.5°C refractive_index: 1.708 Water Solubility: decomposes Hazard Symbols: 
Xn Details 
Risk Codes:R41;R42/43; Details Safety Description: S22;S24;S26;S37/39; Details 
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