Pigment Red 179
Pigment Red 179 is an organic pigment in the Perylene class. Identification: C.I. 71130, CAS 5521-31-3. Key performance: heat resistance 300, light fastness 7-8. Recommended for high-performance coatings, plastics and inks requiring excellent durability.
Key Features
Technical Specifications
| C.I. NO. | 71130 |
| CAS NO. | 5521-31-3 |
| EU NO | 226-866-1 |
| Molecular Formula | C26H14N2O4 |
| Chemical Group | Perylene |
| pH Value | 6-7 |
Physical Data & Fastness Properties
| Acid Resistance | 5 |
| Alkali Resistance | 5 |
| Heat Resistance | 300 |
| Light Fastness | 7-8 |
Applications
- Automotive OEM/refinish coatings
- Powder coatings
- High-end industrial coatings
- Engineering plastics coloring
- High-grade printing inks
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 300°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
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