Dyeing and Pigments

​Pigment Red 21 (CI 12300)

Chemical Class: Monoazo

​Specifications

• ​Color Index No.: 12300
• ​Appearance: Red powder
• ​Specific Surface Area: 44.90 m²/g
• ​Bulk Density: 1.32 kg/L
• ​Oil Absorption: 42.20 g/100g
• ​Density: 1.46 g/cm³

​Applications

• ​Printing Inks:
  • Used in ​flexographic, ​gravure, and ​offset inks for packaging and labels due to ​moderate color strength and ​good dispersibility.
• ​Plastics & Polymers:
  • Suitable for ​PVC, ​polyolefins, and ​rubber products requiring ​bright red coloration and ​thermal stability.
• ​Coatings:
  • Applied in ​industrial coatings where ​balanced oil absorption ensures compatibility with binders and resins.