White Crystalline Powder CAS 89-32-7 99.5% Pyromellitic Dianhydride Pmda

• CAS No.: 89-32-7
• Formula: C10H2O6
• EINECS: 201-898-9
• Type: Synthesis Material Intermediates
• Appearance: Crystal
• Quality: Refined
• Model NO.: AQ-jinggan04
• Colour: White
• Molecular Weight: 218.12
• Partical Size: 80-150 Um
• Supply Capacity: 100 Metric Tons/Month
• Transport Package: 25kg/Drum or 135kg/Drum with Pallets
• Specification: 95%min
• Trademark: AQ
• Origin: China
• HS Code: 2917399090
• Production Capacity: 1000 Metric Tons/Year

Product Description

High purity white crystal Pyromellitic dainhydride(PMDA) for polyimide

PRODUCT

Product Name:Pyromellitic dianhydride; 1,2,4,5-Benzenetetracarboxylic dianhydride,PMDA
CAS No.:89-32-7
EINECS No.:201-898-9
Molecular Formula: C10H2O6
Molecular weight:218.12
Supply capacity:100 metric tons/month

STRUCTURAL FORMULA


SOLUBILITY

Soluble in dimethyl sulfoxide, dimethylformamide, acetone, methyl ethyl ketone, methyl
isobutyl ketone, ethyl acetate, insoluble in chloroform, ether and benzene.

TECHNICAL INDICATOR
 

Item	Standard
Appearance	White crystalline powder
Assay	≥99.8%
Melting Point	286~288ºC
Free acid content	≤0.5%

This product is mainly used as a raw material for polyimide, a curing matting agent for
epoxy resin and a crosslinking agent for polyester resin.
Used in the manufacture of polyimide film, polyimide resin, powder coating matting agent,
advanced electrical insulation material.
Used in the manufacture of polyimide resin, high temperature resistant electrical insulating
varnish, PVC plasticizer, synthetic resin crosslinking agent and epoxy resin curing agent,
also used in the preparation of phthalocyanine blue dyes.