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

Пиромеллитовый диангидрид с 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) is an important raw material for the organic synthesis industry, as well as the basic raw material for the development of new chemical materials and high value-added fine chemical products.

Описание

Внешний вид	White crystals
Mточка подъема	286℃-288℃
Free acid contend	≤0.5wt%
PURITY(%)	≥99.5%

Применение

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.