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Cyclobutane-1,2,3,4-tetracarboxylic dianhydride (CBDA) with cas 4415-87-6

what is  of  Cyclobutane-1,2,3,4-tetracarboxylic dianhydride (CBDA) with cas 4415-87-6

The English abbreviation of cyclobutane tetracarboxylic dianhydride is: CBDA(Cas:4415-87-6) pure product is white powder, melting point: M.P>300 degrees. It is an important intermediate of pharmaceutical and electronic chemical materials.

Quick Details of Cyclobutane-1,2,3,4-tetracarboxylic dianhydride (CBDA) with cas 4415-87-6

CAS No.:4415-87-6
Other Names:Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
MF:C8H4O6
EINECS No.:224-577-5
Place of Origin:Shandong, China
Type:Syntheses Material Intermediates
Purity:99%min
Brand Name:Unilong
Model Number:JL20210067
Application:Analysis bioactive molecule, Analysis bioactive molecule
Appearance:White powder
Product name:Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
CAS:4415-87-6
Shelf life:2 Years
MOQ:1kg
Packing:25kg/drum
molecular formula:C8H4O6
EINECS:224-577-5
Delivery:Immediately
Color:White powder

Specification of Cyclobutane-1,2,3,4-tetracarboxylic dianhydride (CBDA) with cas 4415-87-6

Item
Specifications
Appearance
White to off white powder
Melting point
300℃
Content (1H-NMR)
≥99%
Water
≤0.01%
Na
<0.5ppm
K
<0.5ppm
Cu
<0.5ppm
Fe
<0.5ppm
Ca
<0.5ppm

Packing 

25kgs/drum, 9tons/20’container

Usage 

cyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamine monomer are used for preparation a polyimide (PI), the type of polyimide has excellent electrical characteristics and optical type, with the material prepared the PI film, in addition to having a higher rate cast visible outside, and can withstand high temperatures thirty-four Baidu. Its performance is very good, is the preparation of a liquid crystal display with an ideal material for the film.