Azo salt
The negative charge of the sulfonic acid group is to be compensated by a cation (Ca, Sr or Ba). Azo salt pigment has various color from yellow to orange. The performance of this pigment class is considered as a medium to low end quality and mostly used for indoor applications, depending on each particular chemical structure. They are widely used in plastic and ink industry.
- P.Y.62
- P.Y.168
- P.Y.183
- P.Y.191
- P.Y.191:1
- P.O.79
- P.Y.229