Quinacridone
|
|
Quinacridone
|
|
|
Color Index
|
Pigment Red 122,192,202,207,209 & Pigment Violet 19
|
Structure
Pigment Violet 19 is available in two crystal forms. One is red violet and the other
is a brilliant mid-red shade. There is a third form but its crystal shape causes
unfavorable pigmentary properties as it does not allow the formation of secondary
bonds.
Figure 1 : Quinacridone structure - Pigment Violet 19
Properties
|
Properties of quinacridone
|
|
Property
|
Quinacridone
|
|
Solvent resistance
|
excellent
|
|
Chemical stability
|
excellent
|
|
Heat Stability
|
excellent
|
|
Light fastness
|
high
|
|
Color
|
bright
|
Uses
These pigments are used in automotive OEM paints, vehicle refinishing, high-quality
industrial finishes, and decorative tinting systems.
Price
Quinacridone pigments are relatively expensive.