Pigment Orange 13
Pigment Orange 13 is a high-performance organic pigment (Disazo Pyrazolone). C.I. 21110, CAS 3520-72-7. Heat resistance 200°C, light fastness 6. Ideal for plastics, coatings, and inks.
Key Features
Technical Specifications
| C.I. NO. | 21110 |
| CAS NO. | 3520-72-7 |
| EU NO | 222-530-3 |
| Molecular Formula | C32H24CI2N8O2 |
| Chemical Group | Disazo Pyrazolone |
| Moisture | ≤2.0 |
| Water Soluble Matter | ≤1.5 |
| Electric Conductivity | ≤500 |
| Fineness (80 mesh) | ≤5.0 |
| pH Value | 6.0-7.0 |
Physical Data & Fastness Properties
| Acid Resistance | 4 |
| Alkali Resistance | 4 |
| Alcohol Resistance | 4 |
| Ester Resistance | 4 |
| Benzene Resistance | 4 |
| Soap Resistance | 4 |
| Heat Resistance | 200 |
| Light Fastness | 6 |
Application Fields
This product is widely used in the following application fields, providing excellent coloring performance and durability:
- Printing inks (gravure/flexo)
- Packaging inks
- Paints and coatings
- Plastics coloring
- Masterbatch production
Usage Instructions
Recommended dosage: 0.3–3.0% depending on color strength and application. For plastics/masterbatch, pre-disperse with suitable carrier resin and dispersant; for inks/coatings, mill to target fineness. Processing temperature should be controlled below 200°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
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