Pigment Red 22 (Fast Red N )
Synonyms: C. I. Pigment Red 22
C. I. 12315
3-Hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-N-phenyl-2
-naphthalenecarboxamide
Brilliant Fast Scarlet

Foreign relative brand:
Naphthanil Red Light RT-531-D (CLAR)
Symuler Fast Scarlet BGT(DIC)
Sumikaprint Red ASF (SUM)
Naphthanil Red Light Shade (MAG)

1. Product Name
Trade Name: Naphthol Bright Red
C. I. Number: Pigment Red 22
CAS Number: 6448-95-9
EU Number: 229-245-3
Chemical Family: Mono azo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 426.42
Molecular Formula: C24H18N4O4
P. H. Value: 6.0-7.0
Density: 1.5
Oil Absorption (ml/100g)%: 45-55
Light Fastness: 5
Heat Resistance: 120 º C
Water Resistance: 4
Oil Resistance: 3
Acid Resistance: 4
Alkali Resistance: 4

3. Application:
Shade: Yellowish Red
Main Application: Water base Ink and Textile printing