Pigments & Colorants
REACH
Pigment red 170
CAS Number
2786-76-7
EC Number
220-509-3
What is Pigment red 170?
Pigment Red 170 (CAS 2786-76-7) is a high-performance azo pigment delivering a clean, saturated red shade. Also marketed as Permanent Red F 3RK70 and Sunbrite Red 170.
Where is Pigment red 170 used?
- Coatings and industrial paints: lightfastness and weather resistance for exterior architectural and automotive refinish formulations
- Packaging inks: color intensity and resistance to overprint varnishes
- Plastics: polyolefin and PVC compounds for consumer goods and packaging film
- Textile and paper: vivid red shades in surface coatings and pigment printing pastes
- It provides stable, heat-resistant coloration in molded parts.
Commercial specifications
- Commercial grades vary in particle size distribution and surface treatment
- Variations suit solvent-borne, water-borne or plastics end uses
Other Names (Synonyms)
Permanent Red F 3RK70|54O6PK8790|SUNBRITE RED 170|2-Naphtho-o-phenetidide, 4-((p-carbamoylphenyl)azo)-3-hydroxy-|CI 12475|C.I. Pigment Red 170
What are the physical properties of Pigment red 170?
Boiling Point 663.2±55.0 °C(Predicted)
Density 1.395 g/cm³
Color Orange to red
Form Powder
Log P 1.28 at 24℃ and pH7