Pigment orange 5 (orange pigment)
Synonyms: C. I. Pigment Orange 5
C. I. 12075
Fast Orange RN
1-[(2, 4-Dinitrophenyl)azo]-2-naphthol

Foreign relative brand:
Colanyl Red GG 130 (CLAR)
Unisperse Red 2G-E2 (CIBA)
Spectraflex DNA Orange (SNA)
Enceprint Orange 3052 (BASF)
Aquadisperse (AOE-0483) (SNA)

1. Product Name
Trade Name: Permanent Orages 2G
C. I. Number: Pigment orange 5
CAS Number: 3468-63-1
EU Number: 222-429-4
Chemical Family: Mono azo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 338.27
Molecular Formula: C16H10N4O5
P. H. Value: 5.5
Density: 1.4
Oil Absorption (ml/100g): 35
Light Fastness: 7-8
Heat Resistanc: 150º C
Water Resistance: 5
Oil Resistance: 4
Acid Resistance: 5
Alkali Resistance: 3

3. Application:
Shade: Bright reddish orange
Main Application: Printing inks, Paint