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Puyang Long De Young New Material Co., Ltd.
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Pyromellitic Dianhydride

Details for Pyromellitic Dianhydride

Pyromellitic Dianhydride

Category:

Organic chemicals and Derivatives

Pyromellitic  Dianhydride
CAS NO: 89-32-7
EC NO: 201-898-9
Molecular Formula: C10H2O6
Molecular Weight: 218.1193
Specification:
Product description:

Pyromellitic dianhydride(PMDA)

Pyromellitic dianhydride(PMDA) is mainly used as extinction curing agent, polyimide resin and film, high temperature resistant electrical insulating paint, solid lubricant, epoxy resin curing agent, plasticizer and crosslinking agent of polyester resin in powder coatings.

Product performance

It is white or yellow solid crystal powder, with relative density of 1.68, soluble in acetone, dimethylacetamide and other solvents.

Product quality index

Powder PMDA

Melting point: 284~287℃ 

Content: ≥ 99%

Neutralization equivalent: 54.5 + 0.2

Particle size: 99% < 150um

Superfine PMDA

Melting point: 284~287℃ 

Content: ≥ 99%

Neutralization equivalent: 54.5 + 0.2

Particle size: 99% < 10um

BOPI grade PMDA

Melting point: 284-287℃

Content: ≥99%

Neutralization equivalent: 54.5 0.2

Particle size: below 150um < 20%    above 850um < 2%.

Packaging and transportation

Packaging: The product is packed in double layers with plastic film inside and cardboard outside. It can be packaged in net weight of 25 kg to 200 kg according to customers' needs.

Storage: store in a dry and ventilated place to prevent moisture deterioration.

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 Structure: Pyromellitic  Dianhydride 89-32-7
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