Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Brown 23,C.I.20060

Molecular Structure: Double azo

C.I.Pigment Brown 23,C.I.20060,CAS 35869-64-8,850.02,C40H23Cl3N8O8,Cromophtal Brown 5R,Microlith Brown 5R,Permanent Brown 5R

Molecular Formula:C₄₀H₂₃Cl₃N₈O₈

Molecular Weight: 850.02

CAS Registry Number:35869-64-8

Manufacturing Methods : 4-Chloro-2-nitrobenzenamine (2 Moore) diazotization, and N, N ‘- (2 – Chloro – 1, 4 – phenylene) bis (3-Hydroxy-2-naphthamide ) coupling.

Properties and Applications:dark red light brown. Dark red light brown powder. Bright color, quality of a material soft and easy to disperse, light fastness and heat resistant high performance. Mainly used in plastic, rubber, paint, ink and paint painting, also used in synthetic fibre of protoplasm coloring

List of Suppliers:

Brown KP-945 (Sumika Color Co Ltd)

Brown PEC-945 (Sumika Color Co Ltd)

Brown VC-945 (Sumika Color Co Ltd)

Cromophtal Brown 5R ( Ciba Specialty Chemicals Inc )

Cromophtal Brown 5R P( Ciba Specialty Chemicals Inc )

Microlith Brown 5R-A ( Ciba Specialty Chemicals Inc )

Microlith Brown 5R-K( Ciba Specialty Chemicals Inc )

Microlith Brown 5R-KP ( Ciba Specialty Chemicals Inc )

Microlith Brown 5R-T( Ciba Specialty Chemicals Inc )

Microlith Brown 5R-WA ( Ciba Specialty Chemicals Inc )

Permanent Brown 5R (Sinochem Liaoning Import & Export Corporation)

Pigment Brown (Fenchem Enterprises Ltd)

Pigment Brown 23 (CPMA)

Van Dyke Brown(W. Hawley & Son Ltd)