Description

Pigment Red 4 is a high-performance organic pigment belonging to the azo class, known for its bright and durable red shade. This pigment is valued for its excellent color strength, good lightfastness, and strong solvent resistance, making it a reliable choice for demanding applications. It is primarily used by manufacturers in the coatings, plastics, printing inks, and textile industries to impart a vibrant red color to their products.

Application

• Industrial Coatings and Paints: Used in automotive finishes, industrial machinery coatings, and architectural paints for its durability and color stability.
• Plastics and Masterbatches: Imparts a stable red color to PVC, polyolefins, and engineering plastics for consumer goods, packaging, and automotive parts.
• Printing Inks: A key component in offset, flexographic, and gravure inks for packaging, publications, and decorative printing.
• Textile Printing and Dyeing: Employed in pigment printing pastes and coloration systems for fabrics.
• Specialty Applications: Suitable for coloring artists' paints, construction materials, and other specialty products requiring a vivid red hue.

Basic Information

Product Name	Pigment Red 4
CAS No.	2814-77-9
Molecular Formula	C16H11ClN2O3
Molecular Weight	314.72 g/mol
Synonyms	Pigment Red 4; C.I. 12085; 1-[(4-Chloro-2-nitrophenyl)azo]-2-naphthalenol; 2-Naphthol Red; Toluidine Red; Permanent Red FRR; Permanent Red FR; Permanent Red F4R; Chlorinated Para Red; C.I. Pigment Red 4
EINECS	220-562-2

Quality Control

Our Pigment Red 4 is manufactured under strict quality control protocols to ensure batch-to-batch consistency and performance. Quality is verified against key parameters including color strength, hue, particle size distribution, and chemical purity. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee compliance with your technical requirements.

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 incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Red Powder
Color Strength	Standard ± 5%
Hue	Standard
Lightfastness	Good
Heat Resistance	Good
Oil Absorption	40 - 60 g/100g
Moisture Content	≤ 2.0%
Residue on Sieve (45μm)	≤ 5.0%

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