Notch absorber
Excellent thermal stability
Suitable for injection molding
Very good solar stability
Absorption maximum, lambda max: 584nm
Absorptivity in chloroform: 190 L g-1 cm-1
Appearance: Red violet powder
Melting point: > 300°C
Solubility in grams/100 grams of solvent:
Methylene chloride 1.0 grams
Acetone 0.6 grams
Hexane 0.5 grams