Project Description

Product name:Cyclobutane-1,2,3,4-tetracarboxylic dianhydride

CAS No.:4415-87-6

Other Name: CBDA

MF:C8H4O6

EINECS No.:224-577-5

Molecular Weight:196.11

Density:1.8±0.1 g/cm3

Boiling Point:545.3±50.0 °C at 760 mmHg

Melting Point:>300 °C(lit.)

Purity:99%, Ultra low metals content

Appearance:white powder

Application: Colorless polyimide monomer

Type:Alicyclic dianhydride

Place of Origin: China

Key word:

Alicyclic dianhydride CBDA is mainly used as monomer for polyimide film, resins and varnish, especially CPI, Alignment layer monomer, Flexible display, Transparent flexible circuit board, Electronic level CBDA, High transmittance > 89%, Low Yellow Index < 2.0 –> Colorless and High Transparency