ChemNet > CAS > 89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride

89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride

product Name	1,2,4,5-Benzenetetracarboxylic anhydride
CAS No	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
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:; S37/39:;
MSDS	Material Safety Data Sheet

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Specifications	99.5% Min.
Packing	25kg/drum
Description	White crystal or powder, free from visible impurity
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