Pigment Violet 19 β-Type
English Name: Pigment Violet 19
Molecular Formula: C??H??N?O?
Molecular Weight: 312
CAS Registry Number: 1047-16-1
EINECS Number: 213-879-2
Physicochemical Properties
Classification: Quinacridone Organic Pigment
State: Reddish-purple powder
Hue: Reddish violet
Relative Density: 1.5-1.8 g/cm3
Bulk Density: 12.6-14.8 lb/gal
Particle Shape: Purple/Cubic
Average Particle Size: 0.05-0.1 μm
Oil Absorption: 40-70 g/100g
Opacity: Transparent type
pH Value (10% slurry): 6.5-9
Specific Surface Area: 22-85 m2/g
Melting Point: 310→400°C
Tinting Strength: 100±5 compared to standard
Water Solubles: ≤1.0%
Description: Bright color, strong tinting strength, high heat resistance, excellent lightfastness, acid and alkali resistance, non-migratory. Suitable for coloring high-grade coatings and plastics, withstanding temperatures up to 300°C in polyolefins.
Heat Resistance: ≥400°C
Lightfastness: Grade 8
Weather Resistance: Grade 5
Migration Resistance: Grade 5
Acid Resistance: Grade 5
Alkali Resistance: Grade 5
Applications: Used in high-end industrial coatings, can be blended with inorganic pigments such as iron oxide red and molybdate red; transparent type suitable for metallic decorative paints; also used in plastics like PVC, PUR, and polyolefin coloring.