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Huangshan Deping Chemical Co., Ltd.

China Manufacturer with main products: TGIC, Powder Coating


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Chemical Formula C10H2O6

Molecular Weight 218.12

CAS Number:  89-32-7     
EINECS Number:   201-898-9

Other Names: 1,2,4,5-Benzenetetracarboxylic Dianhydride;


 White Crystals

Assay (HPLC) wt% 99.5 min.

TMA(HPLC) wt% 0.2 max.

Free acid % (Titration Method) wt% 0.5 max.

Melting Point (Calorimetric Method) 286.0~287.5

Particle Size DistributionAbove 500 um through 80 um


Packaging and Storage :PMDA is available in 135 kg fibre drum with aluminum foil bag.

Under request other forms of packaging can be available.It must be stored for a limited period, away from open flames or other potential ignition sources, in cool, dry, well-ventilated place. It will hydrolyse slowly to PMA when exposed to air moisture. For this reason, all containers must be tightly sealed when not in use.

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Powder Coating from this supplier

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Car Auto Bus Lacquer Vehical Refinish Van Paint    
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Glass Beads for Road Marking, Shot Blasting, Industrial Use & Decoration.    
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Acrylic Waterproof Coating (UV-Resistance)    
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