Description

Pigment Red 179 is a high-performance perylene-based organic pigment renowned for its excellent color strength and durability. This compound, identified by CAS No. 5521-31-3, is a critical component for creating vivid, long-lasting red hues in demanding industrial applications. It is primarily sought after by manufacturers in the coatings, plastics, and specialty inks industries who require superior weatherfastness, thermal stability, and chemical resistance in their colored products.

Application

• Industrial Coatings: Used in automotive paints, coil coatings, and powder coatings for exceptional outdoor durability and gloss retention.
• Plastics Coloring: Imparts brilliant, heat-stable red coloration to engineering plastics, masterbatches, and synthetic fibers.
• High-Performance Inks: A key pigment for solvent-based and UV-curable printing inks, including packaging and decorative inks.
• Specialty Applications: Suitable for coloring synthetic leather, artists' colors, and other applications requiring high pigment performance.

Basic Information

Product Name	Pigment Red 179
CAS No.	5521-31-3
Molecular Formula	C₂₆H₁₄N₂O₄
Molecular Weight	418.40 g/mol
Synonyms	Perylene Red; Perylene Maroon; C.I. Pigment Red 179; C.I. 71130; Perylene-3,4,9,10-tetracarboxylic diimide; N,N'-Bis(3,5-dimethylphenyl)-3,4,9,10-perylenetetracarboxylic diimide; Paliogen Red K 3911 HD; Hostaperm Red Violet ER; Cromophtal Red A2B
EINECS	226-859-5

Quality Control

Our production of Pigment Red 179 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 purity are rigorously tested against established internal specifications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance processes.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark Red Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Matches Standard
Purity (HPLC)	≥ 97.0%
Ash Content	≤ 1.0%
Moisture (Karl Fischer)	≤ 1.5%
Particle Size (D50)	Contact for details

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