Description

Pigment Red 3 is a versatile and widely used organic pigment belonging to the azo chemical class. This high-performance colorant is valued for its bright, clean red shade and excellent cost-effectiveness in numerous industrial applications. It is an essential raw material for manufacturers in the coatings, plastics, printing inks, and textile industries seeking consistent, durable coloration. The compound is commercially supplied as a fine powder, optimized for dispersion and stability in various formulations.

Application

• Industrial Coatings and Paints: Used in architectural paints, automotive refinishes, and industrial maintenance coatings for its color strength and lightfastness.
• Plastics and Masterbatch Coloring: Imparts a stable red color to polyolefins (PP, PE), PVC, and other polymers during processing.
• Printing Inks: A key component in solvent-based, water-based, and paste inks for packaging, publication, and decorative printing.
• Textile Printing and Dyeing: Employed in the coloration of fibers and fabrics, particularly where a vivid red hue is required.
• Artists' Colors and Stationery: Used in the manufacture of artists' paints, colored pencils, and crayons.
• Rubber and Elastomers: Provides coloration for various rubber products.

Basic Information

Product Name	Pigment Red 3
CAS No.	2425-85-6
Molecular Formula	C17H13ClN4O4
Molecular Weight	372.76 g/mol
Synonyms	C.I. Pigment Red 3; C.I. 12120; 1-((2-Chloro-4-nitrophenyl)azo)-2-naphthalenol; Toluidine Red; Permanent Red FRR; Lithol Fast Scarlet RN; Permanent Red F4R; Chlorinated Para Red
EINECS	219-372-2

Quality Control

Our production of Pigment Red 3 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as color strength, hue, particle size distribution, and chemical purity are rigorously tested against established internal and industry standards. A comprehensive Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee product integrity for your formulation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Under these conditions, the product maintains its stability and performance characteristics.

Specification

Item	Specification
Appearance	Red Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Conforms to Standard
Purity (HPLC)	≥ 96.0%
Volatile Matter (at 105°C)	≤ 2.0%
Water Soluble Matter	≤ 1.5%
Chloride Content	Conforms
Particle Size (D50)	0.2 - 0.5 µm
Lightfastness	≥ 5 (ISO 105-B02)
Heat Resistance	≥ 180°C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.