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

CAS No.:4415-87-6
MF:C8H4O6
EINECS No.:224-577-5
Plaats van Oorsprong:Shandong, China
Type:Syntheses Materiaal Tussenproducten
Zuiverheid:99%min
Merknaam:Unilong
Other Names: Cyclobutane-1,2,3,4-tetracarboxylic dianhydride; 3a,3b,6a,6b-Tetrahydrocyclobuta[1,2-c:3,4-c’]difuran-1,3,4,6-tetrone; 4,9-Dioxatricyclo[5.3.0.02,6]decane-3,5,8,10-tetrone;Cyclobutane1,2,3,4-tetracarboxylicacid1,2:3,4-dianhydride; Cyclobutane-1,2,3,4-tetracarboxylicaciddianhydride; Cyclobutane-1,2,3,4-tetracarboxylicaciddianhydride(CBDA); Cyclobutane-1,2,3,4-tetracarboxylic;

CAS: 4415-87-6

Zuiverheid: 99%

MF: C8H4O6

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.

Specificatie

Item	Specificaties
Uiterlijk	Wit tot gebroken wit poeder
Smeltpunt	300℃
Inhoud (1H-NMR)	≥99%
Water	≤0.01%
Na	<0.5ppm
K	<0.5ppm
Cu	<0.5ppm
Fe	<0.5ppm
Ca	<0.5ppm

Verpakking

25kgs/trommel, 9tons/20'container

Gebruik

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.

COA Cyclobutane-1,2,3,4-tetracarboxylic dianhydride