Pigment Violet
Pigment Violet: Premium Quality for Color Solutions
Pigment Violet is a high-performance organic pigment widely used in coatings, plastics, inks, and textiles. Known for its excellent lightfastness, weather resistance, and vibrant hue, it is a top choice for manufacturers seeking superior color stability.
Pigment Violet Product Specifications
- Chemical Name: Dioxazine Violet
- CAS Number: 6358-30-1
- Color Index: PV 23
- Molecular Formula: C34H22Cl2N4O2
- Appearance: Fine violet powder
- Density: 1.45-1.55 g/cm³
- Heat Resistance: 260-300°C
- Lightfastness: 7-8 (ISO 105-B02)
- Migration Resistance: Excellent
- Solubility: Insoluble in water and most organic solvents
Technical Performance Data
| Property | Standard Value | Test Method |
|---|---|---|
| Particle Size (D50) | 0.2-0.5 μm | Laser Diffraction |
| Oil Absorption | 40-50 g/100g | ASTM D281 |
| pH Value (10% Slurry) | 6.5-7.5 | ISO 787-9 |
| Moisture Content | ≤1.0% | ISO 787-2 |
Pigment Violet FAQ
Q: What industries commonly use Pigment Violet?
A: Pigment Violet (PV 23) is extensively used in automotive coatings, industrial paints, plastic coloring (especially for PVC and polyolefins), printing inks (including security inks), and textile printing. Its excellent stability makes it particularly valuable for outdoor applications and products requiring long-term color retention.
Q: How does Pigment Violet compare to other violet pigments?
A: Pigment Violet 23 stands out for its outstanding lightfastness and weather resistance compared to other violet pigments. While slightly more expensive than alternatives like PV 1 or PV 3, it offers superior performance characteristics including higher tinting strength (typically 30-50% stronger than comparable violets) and better chemical resistance. Its unique dioxazine structure provides exceptional color purity that's difficult to match with other pigment classes.
Q: What safety precautions should be taken when handling Pigment Violet?
A: While Pigment Violet has low acute toxicity, standard pigment handling precautions should be followed. Use appropriate personal protective equipment including dust masks (NIOSH N95 or equivalent) and gloves. Avoid creating dust clouds during handling. The pigment is not classified as hazardous under GHS, but local exhaust ventilation is recommended for large-scale operations. Always consult the specific Material Safety Data Sheet for your product grade.
Applications of Pigment Violet
Pigment Violet delivers exceptional performance across multiple applications:
- Coatings: Automotive OEM and refinish paints, powder coatings
- Plastics: PVC, polyolefins, engineering plastics
- Inks: Offset, gravure, flexographic printing
- Textiles: Mass coloration of synthetic fibers
- Specialty Uses: Artist colors, cosmetic packaging
Color Properties
| Color Space | L* | a* | b* | C* | h° |
|---|---|---|---|---|---|
| Standard Depth (1/3) | 35.2 | 22.5 | -25.8 | 34.2 | 319° |
| Reduced (1/25) | 58.3 | 15.7 | -18.2 | 24.1 | 319° |
Pigment Violet maintains its color consistency across different application methods and substrates, making it a reliable choice for manufacturers who require predictable coloration results. The pigment's excellent dispersibility ensures easy incorporation into various media with minimal processing energy required.