3,3′,4,4′-Benzophenonetetracarboxylic dianhydride/BTDA CAS 2421-28-5

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Chemical Name: 3,3′,4,4′-Benzophenonetetracarboxylic dianhydride/BTDA

CAS: 2421-28-5

Molecular Formula: C17H6O7

Molecular Weight: 322.23

Item Specification
Appearance White or off-white powder
Purity ≥99.0%
Melting point 224~228℃
Volatiles ≤1.0%

This product is a polyimide monomer, which can be used as a monomer for the preparation of polyimide special polymer functional materials, which is mainly used in the materials of heat resistant polymers.

25kg/fiber drum
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