Perylene Maroon (Pigment Red 179)
CAS Number: 5521-31-3
Perylene Maroon (Pigment Red 179) is a high-performance perylene diimide pigment offering a deep maroon-red hue with outstanding lightfastness, heat stability, and chemical resistance in virtually all media. Its exceptional durability makes it the preferred red pigment in automotive coatings, high-temperature plastics, and industrial coatings requiring long-term exterior performance. Chemzip supplies PR 179 in standard and high-transparency grades.
Technical Specifications
| appearance | Deep maroon fine powder |
| purity (%) | ≥97.0 |
| oil absorption (g/100g) | 35–55 |
| lightfastness (Blue Wool) | 8 |
Applications
- Automotive OEM and refinish deep red and maroon shades
- High-temperature engineering plastics (polyamide, PBT, PET)
- Industrial protective coating for steel and concrete
- Powder coating for outdoor architectural metalwork
- High-durability printing ink for packaging
Key Features
- Maximum lightfastness rating 8 Blue Wool for permanent exterior applications
- Outstanding heat stability to 350°C for high-performance engineering plastics
- Excellent chemical resistance to acids, alkalis, and solvents
- Suitable for food packaging applications per FDA and EU food contact regulations
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CAS Number
5521-31-3
Category
Dye / Pigment IntermediatesAvailability
In StockSample
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