Product name: Pigment Violet 23; C.I. Pigment Violet 23; 8,18-Dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)tri- phenodioxazine;
CAS No.: 6358-30-1
EINECS No.: 228-767-9
C.I. No. 51319
Molecular formula: C34H22Cl2N4O2
Molecular weight: 589.4701
Molecular structure: 
Physical and chemical properties:
Density: 1.53g/cm3
Melting point: 385℃ (dec.)
Hue or shade: Blue light violet
Relative density: 1.40-1.60
Bulk density/(lb/gal): 11.7-13.3
Melting point / ℃: 430-455
Average particle size / μm: 0.04-0.07
Particle shape: Cubic / rod
Specific surface area / (m2/g): 45-102
pH / (10% slurry): 6.2
Hiding power: Transparent type
Light fastness: 7～8
Organic solvent fastness: 3～5
Inorganic solvent fastness: 5
Mainly used for the coloration of coating, ink, rubber and plastic. Also used in the coloration of synthetic fiber raw liquor.
The goods formulation of this pigment has a lot of grades. This product is the blue light violet variety with full and stable application and unusual high tinting strength. Widely used in coating, ink, plastic, fibric dyeing and other fields: Good light fastness in coating coloration, can be used in air self-dry paint, automotive coating OEM and baking paint; used in plastic coloration, heat resistance in polyolefin is 280℃, high tinting strength (the pigment concentration to reach 1/3SD HDPE is only 0.07%); also used in the raw liquor coloration of polyester and PE. |
