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You are here: Home » Products » pigment red 57:1 (Fast rubine red BK-W)
pigment red 57:1 (Fast rubine red BK-W)
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Product: Views:200pigment red 57:1 (Fast rubine red BK-W) 
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Valid until: Long-term effective
Last updated: 2017-09-02 19:10
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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 BK-W

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

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