Pigment Red 123
Pigment Red 123 is a perylene scarlet red with good economy for its class, used in plastics and coatings, registered as C.I. 71145 (CAS 24108-89-2). The pigment withstands 220°C processing and delivers light fastness 7, with fastness that holds up in both mass tone and reduction. It is specified for Automotive OEM/refinish coatings, Powder coatings, High-end industrial coatings, Engineering plastics coloring. Key strengths include outstanding weatherability for outdoor applications plus high chroma and strong color strength.
Key Features
Technical Specifications
| C.I. NO. | 71145 |
| CAS NO. | 24108-89-2 |
| EU NO | 246-018-4 |
| Molecular Formula | C40H26N2O6 |
| Chemical Group | Perylene |
| pH Value | 6-7 |
Physical Data & Fastness Properties
| Acid Resistance | 6 |
| Alkali Resistance | 6 |
| Heat Resistance | 220°C |
| Light Fastness | 7 |
Application Fields
This product is widely used in the following application fields, providing excellent coloring performance and durability:
- 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 220°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
Frequently Asked Questions
What is Pigment Red 123 used for?
Pigment Red 123 is mainly used for transparent coloring of Automotive OEM/refinish coatings, Powder coatings, High-end industrial coatings, Engineering plastics coloring and other polymers, and can also be used for masterbatch production.
What are the key properties of Pigment Red 123?
Pigment Red 123 offers a heat resistance of 220°C, and has light fastness rated 7, and has a Perylene chemical structure.
What is the CAS number of Pigment Red 123?
The CAS number of Pigment Red 123 is 24108-89-2, and its Colour Index number is C.I. 71145.
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