Pigment Red 57: 1
Synonyms: C. I. Pigment Red 57: 1
C. I. 15850: 1
3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2
-naphthalenecarboxylic acid calcium salt (1: 1)

1. Product Name
Trade Name: Fast Rubine A6B
C. I. Number: Pigment Red 57: 1
CAS Number: 5281-04-9
EU Number: 226-109-5
Chemical Family: Mono azo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 424.46
Molecular Formula: C18H12N2O6SCa
P. H. Value: 7.0-8.0
Density: 1.7
Oil Absorption (ml/100g)%: 45-55

3. Technical Properties
Fast Rubine A6B is a calcium salt of monoazo lake red pigment, have brilliant yellowish shade, with good weather fastness and good dispersibility.
Application
Recommended for industrial paint and offset ink, also used for seed treatment.

Storage



4. Fastness Properties(5=Execllent, 1=Poor)