Pigment orange (Fast Orange G)
Synonyms: C. I. Pigment Orange 13
C. I. 21110
4, 4'-[(3, 3'-Dichloro[1, 1'-biphenyl]-4, 4'-diyl)bis(azo)]bis[2, 4-dihydro
-5-methyl-2-phenyl-3H-pyrazol-3-one]

Foreign relative brand:
Viscofil Orange GG (CLAR)
Hostasin Orange G (CALR)
Pollux Orange PP-G (SUM)
Suimei Pyrazolone Orange G (KKK)
Symuler Fast Pyrazolone Orange G (DIC)

1. Product Name
Trade Name: Permanent Orange G
C. I. Number: Pigment orange 13
CAS Number: 3520-72-7
EU Number: 222-530-3
Chemical Family: Disazo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 623.49
Molecular Formula: C32H24Cl2N8O2
P. H. Value: 7
Density: 1.5
Oil Absorption (ml/100g)%: 35
Light Fastness: 7-8
Heat Resistanc: 180C
Water Resistance: 5
Oil Resistance: 4
Acid Resistance: 5
Alkali Resistance: 4

3. Application:
Shade: Reddish orange
Main Application: Offset inks, water-base inks, Plastic and testile printing