Place of Origin : Mumbai,India  
                                                         
1. Names:
Acid orange 67, Benzenesulfonic acid, acid orange 3KL
KLIUL
2. Specification.
Molecular Formula	C26H21N4NaO8S2
 Molecular Weight	604.58671
 P.H. Value	 6.0-7.0
 Density(g/cm3)	 1.6
 Oil Absorption(ml/100g)	 35-45
 Light Fastness	 5
 Heat Resistance	 180 C
 Water Resistance	 5
 Oil Resistance	 4
 Acid Resistance	 5
 Alkali Resistance	 5