Description

Solvent Red 164 is a high-performance, oil-soluble synthetic dye belonging to the anthraquinone class. This compound is valued for its excellent color strength, thermal stability, and solubility in a wide range of non-polar organic media, making it a critical component for demanding industrial applications. It is primarily used by manufacturers in the plastics, coatings, and specialty ink industries to impart a vivid, durable red coloration to their products.

Application

• Plastics Coloring: A primary colorant for engineering plastics, polystyrene (PS), ABS, polycarbonate (PC), and polyolefins, offering excellent dispersion and heat resistance during processing.
• Industrial Coatings and Paints: Used in solvent-based systems for automotive refinish paints, industrial maintenance coatings, and decorative finishes due to its lightfastness and chemical resistance.
• Printing Inks: Employed in the formulation of specialty inks for flexographic, gravure, and screen printing, particularly where oil solubility is required.
• Waxes and Polishes: Imparts color to synthetic waxes, shoe polishes, and automotive care products.
• Wood Stains and Varnishes: Provides transparent, penetrating color in oil-based wood treatment products.
• Lubricants and Greases: Used for color-coding different grades of industrial lubricants and functional greases.

Basic Information

Item	Detail
Product Name	Solvent Red 164
CAS No.	71819-51-7
Molecular Formula	C24H20N2O2
Molecular Weight	368.43 g/mol
Synonyms	1,4-Bis[(2-methylphenyl)amino]anthraquinone; C.I. Solvent Red 164; Oil Red 5B; Anthraquinone Red G; Ceres Red 5B; 1,4-Bis(o-tolylamino)anthraquinone; AS 164; AS-RED 164
EINECS	Contact for details

Quality Control

Our Solvent Red 164 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent color value, strength, and purity. Key parameters such as hue, solubility, and thermal stability are verified against stringent internal specifications. A Certificate of Analysis (COA) documenting these results is provided with each shipment to guarantee product integrity and support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Dark red powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Hue	Within agreed tolerance
Solubility (in Toluene)	Clear, complete solution
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size (Passing 80 mesh)	≥ 95%

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