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High Quality 1, 2, 4, 5- Benzenetetracarboxylic Anhydride (PMDA) for Chemical Industrial Used

Colour
White
Specification
20kg/pc
Origin
China
HS Code
29173980
Production Capacity
20000ton/Year
Reference Price
$ 42.12 - 46.80
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Product Description

The Main Manufacturer of Pyromellitic Dianhydride/PMDA in China
Product Name Pyromellitic Dianhydride; PMDA
Alias 1,2,4,5-Benzenetetracarboxylic dianhydride; benzene-1,2:4,5-tetracarboxylic dianhydride; PMDA
CAS No. 89-32-7
EINECS No. 201-898-9
Formula C10H2O6
Appearance White crystal powder
Melting point
Free acid content 0.5% max
Assay 99.80% min
Application Used for making polyimide film, resin, powdery paint, delustering agent
Capacity 20,000 ton/ year

Pyromellitic dianhydride is white or yellowish crystal. It is soluble in dimethyl sulfoxide, dimethylformamide, acetone, and other organic solvents, insoluble in diethyl ether, trichloromethane, and benzene. The product mainly functions as raw material for polyimide. It can be used in producing curing matting agent for epoxy resin and cross-linking agent for polyester resin.

Application
PMDA is mainly used to make polyimide film and resin, high temperature resistance electric insulating paint, PVC plasticizer, synthetic resin cross-linking agent and epoxy resin curing agent, powder coating matting agent, phthalocyanine blue dye and PET chain extender for food packaging.

Notes
the product is irritant to eyes, respiratory system, and skin. Wear rubber gloves, goggles, mask, and other protective articles.
Keep away from fire, source, and damp.


 

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Organic Intermediate
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