Home > Products > Chemicals > Dyes & Pigment

Code Index NO. C.I.Pigment Orange 73
Structural No. C.I.56117
Chemical name : Bis-(p-butyl-phenyl)-1,4-diketopyrrolo(3,4-c)pyrrole

CAS NO.:71832-85-4
EC NO.:276-057-2
Molecular formula:C₂₆H₂₈N₂O₂
Molecular weight:400.5

Technical cnditions:

apparance:Orange power
color light:approximate to the standard sample
coloring power :equal to 100±5 of the standard sample
Heat resistance:≥300°C
Light permanency:7-8grade
Resistance to climate:7-8 Grade
water soluble matter:≤1.0%

Properties:It has bright color, strong coloring power ,high heat resistance, good light permanency and acid festeness to alkali and has no migration property.

Use :It is mainly used in coloring plastic, coating and paint. It can also be used in coloring raw liquor of synthetic fiber.