Introduction of 1-ETHYL-1-METHYLPYRROLIDINIUM BROMIDE 69227-51-6 powder

Pyromellitic Dianhydride com 89-32-7

CAS: 89-32-7
MF: C10H2O6
MW: 218.12
EINECS: 201-898-9

Keywords1,2,4,5-Benzenetetracarboxylic1,2:4,5-dianhydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride;1,2,Chemicalbook4,5-Benzenetetracrboxylicdianhydride;pyromelliticacidanhydride;pyromelliticaciddianhydride;Pyromelliticanhydride;1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE

What is of Pyromellitic Dianhydride with 89-32-7 ?

Pyromellitic dianhydride (PMDA) é uma importante matéria-prima para a síntese orgânica da indústria, bem como a matéria-prima básica para o desenvolvimento de novos produtos químicos e materiais de alto valor agregado de produtos químicos da multa.

Descrição

Aparência	White crystals
Melting ponto	286℃-288℃
Free acid contend	≤0.5wt%
PUREZA(%)	≥99,5% de

Aplicação

Mainly used in the synthesis of polyimide.

It is widely used in material properties. Demanding high-tech fields such as aviation, aerospace, microelectronics and atomic energy.It is mainly used for the production of polyimide monomers, and can also be used as a Curing agent of epoxy resin and cross-linking agent of polyester resin, used in the manufacture of phthalocyanine blue dye and some important derivatives, etc., and has a wide range of uses.