Organic Pigments

Pigment Red 112

Also Known As:C.I. 1237012370Naphthol AS

Pigment Red 112 is an organic pigment, also named Fast Red FGR. Its CAS number is 6535-46-2, belong to Naphthol AS pigments, used as paint pigments.

Pigment Red 112 - 1

Key Features

Good dispersion and processing performance
Bright shade and good color strength
Heat resistance up to 170°C (system dependent)
Light fastness: 7 (scale 1–8)
Suitable for general-purpose applications

Technical Specifications

C.I. NO.12370
CAS NO.6535-46-2
EU NO229-440-3
Molecular FormulaC24H16CI3N3O2
Chemical GroupNaphthol AS
Moisture≤2.0
Water Soluble Matter1.5
Electric Conductivity≤500
Fineness (80 mesh)≤5.0
pH Value4.5-5.5

Physical Data & Fastness Properties

Acid Resistance4
Alkali Resistance4
Alcohol Resistance4
Ester Resistance3
Benzene Resistance3
Soap Resistance5
Heat Resistance170
Light Fastness7

Application Fields

This product is widely used in the following application fields, providing excellent coloring performance and durability:

  • General-purpose inks
  • Paints and coatings
  • Plastics coloring
  • Masterbatch production

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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 170°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.

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