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Pigment Brown 23

Catalog Number DYE-PIG-0267
CAS Number 35869-64-8
Structure
Synonyms Cromophtal Brown 5R, Microlith Brown 5R, Permanent Brown 5R
Molecular Weight 850.02
Molecular Formula C40H23Cl3N8O8
CI Number C.I.20060
Color dark red light brown.
Lightfastness Excellent
Main Molecular Structure Double azo
Oleic Acid Well
Preparation Method 4-Chloro-2-nitrobenzenamine (2 Moore) diazotization, and N, N '-(2-Chloro-1, 4-phenylene) bis (3-Hydroxy-2-naphthamide ) coupling.
Properties 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
Soap Micelle Bleeding No

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