Pyranthrone
|
|
Pyranthrone
|
|
|
Color Index
|
Pigment Red 216,226 & Pigment Orange 51
|
Structure
These pigments are chemically related to flavanthrone.
Figure 1 : Pyranthrone structure - Pigment Red 216
Properties
|
Properties of pyranthrone
|
|
Property
|
Pyranthrone
|
|
Color
|
dull shade
|
|
Solvent resistance
|
good
|
|
Light fastness
|
low-moderate
|
Uses
These pigments are mainly used for their transparency.
