Organic Pigment Red 21
Trade Name: Scarlet Red FR
C.I.No. Pigment Red 21( 12300)
CAS No. 6410-26-0
EC No. 229-100-4
Chemical Group: Monoazo
Molecular formula: C26H16ClN3O2

Description:
- Pigment Red 21 is a yellowish red color.
- It is mainly used in industrial paint, decorative paint and textile paste.
- It is also used in the coloring of soap products and stationery.
Physical, Chemical and Fastness Properties:
| Density (g/cm3) | 1.31 |
| Oil absorption (ml/100g) | 45±5 |
| Water soluble matter (%) | ≤2.5 |
| PH Value | 6.0-7.0 |
| Heat Resistance (°C) | 150°C |
| Light Fastness | 5 |
| Water Resistance | 4 |
| Oil Resistance | 4 |
| Acid Resistance | 3~4 |
| Alkali Resistance | 3~4 |
Applications:
| Paint | Industrial Paint | ○ |
| Decorative Paint | ○ | |
| Textile Paste | ● | |
| Others | Stationery | ● |
| Art pigment | ● |
Remark: ●High Recommendation;
○Recommendation; – Limit Suitability
Packing: Commonly 25kgs craft bag with Carton box on pallet.
Payment Terms: T/T, L/C, DP, CAD
***Product specific and application information are based upon our current knowledge. They are non-binding and cannot be taken as guarantee. Users must establish the suitability of individual products. We do not accept any liability relating to the use of our products in particular applications. ***
