1. Home
  2. Product
  3. Napthol Red 170
Napthol Red 170

Pigment Red 170

CAS Number: 2786-76-7 EU Number: 220-509-3 C.I. Number: Pigment Red 170

Trade Name: Fast Red F5RK
Chemical Family: Mono azo


Pigment Red 170, due to its high transparency, high tinting strength, easy dispersion, low viscosity; it can be applied to:
· Interior and exterior walls paint coloring;
· Solvent ink coloring, including polyamide, chlorinated polypropylene, NC resin, polyurethane, etc.;
· Alkyd paint coloring;
· Nitro paint coloring;
· Baking paint coloring;
· Plastic rubber coloring;

Physical and chemical properties

Color shade: blue
PH: 6.5-7.5
Oil-absorption Value: ≦50ml/100g
105 ℃ Volatile: ≦4.5%
Fluidity: 23-25mm
Residue on sieve: 120mesh≦0.1%
Water-solubility: ≦3.0%
Average particle size: 44.11μm
Molecular Weight: 454.48
Molecular Formula: C26H22N4O4
Density: 1.5


Lightfastness: 7
Heat resistance:180℃
Oil resistance:5
Waterproof: 5
Acid Resistance: 5
Alkali Resistance: 5

Yuhong is a leading pigment red 170 manufacturer, the pigment has its CAS number as 2786-76-7 and EU number as 220-509-3. Being a Chinese stock company we mainly provide a variety range of organic pigments, that are used as industrial colorants, like for ink coloring, wall painting coloring, textile coloring, plastic coloring. There are other pigment powder like green pigment, blue pigment, yellow pigment and orange pigment for clients. As we use quality raw materials and have complete production lines and testing equipment, we can provide quality organic pigments with custom solutions in client needs.

Inquiry Form