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2021 Good Quality Factory Price Butylparaben Cas 94-26-8 - Pyromellitic Dianhydride 89-32-7 PMDA – Starsky

Description

Product Name: Pyromellitic Dianhydride PMDA
CAS: 89-32-7
MF: C10H2O6
MW: 218.12
EINECS: 201-898-9
Melting point: 283-286 °C(lit.)
Boiling point: 397-400 °C(lit.)
Density: 1,68 g/cm3
Refractive index: 1.6000 (estimate)
Fp: 380 °C
BRN: 213583

Specification

Items Specifications
Appearance White crystal
Purity ≥99%
Loss on drying ≤0.5%
Heavy metals ≤0.5%

Application

It is mainly used as raw material of polyimide, solidifying agent of epoxide resin.