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Pigment Brown 5

Catalog Number DYE-PIG-0269
CAS Number 16521-34-9
Structure
Synonyms Aizen Cathilon Blue GLH, Ginger Brown T 5902
Molecular Weight 292.29
Molecular Formula C17H12N2O3
Alternative CAS 61725-47-1
CI Number C.I.15800:2
Color brown.
Lightfastness Well
Main Molecular Structure Single azo
Oleic Acid Poor
Preparation Method aniline diazotization, and 3-Hydroxy-2-naphthoic acid coupling, and translated into copper salt.
Properties The same as the chemical structure of C.I Pigment Red 64,C.I Pigment Red 64:1, different salt. This product is a copper salt

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