Pigment Red 23 ( Fast Rose red B)
Synonyms: Pigment Red 23
C. I. 12355
3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3
-nitrophenyl)naphthalene-2-carboxamide

Foreign relative brand:
Naphthanil Red Dark T\RT-539-D (CLAR)
Symuler Fast Red 4015(DIC)
Irgalite Red RBS (CIBA)
Polymo Rose F2B (KKK)
Vocaflex Red 23(ARI)

1. Product Name
Trade Name: Fast Rose Red B
C. I. Number: Pigment Red 23
CAS Number: 6471-49-4
EU Number: 229-313-2
Chemical Family: Mono azo
2. Physical, Chemical and Fastness Properties
Molecular Weight: 487.42
Molecular Formula: C24H17N5O7
P. H. Value: 6.0
Density: 1.4
Oil Absorption (ml/100g)%: 35-45
Light Fastness: 6
Heat Resistance: 150º C
Water Resistance: 4
Oil Resistance: 5
Acid Resistance: 5
Alkali Resistance: 5

3. Application:
Shade: Bright Red
Main Application: Textile printing and Water Base Ink
Can Use: Water Base Paint and plastic