Description

C.I. Solvent Red 83 is a high-purity, synthetic organic colorant belonging to the solvent dye class, identified by CAS NO 79920-54-0. This product is valued for its excellent solubility in non-polar to moderately polar organic solvents, providing vibrant and stable coloration. It is primarily utilized by manufacturers in the plastics, inks, coatings, and specialty chemical industries requiring consistent and reliable pigmentation for their formulations.

Application

• Coloration of engineering plastics (e.g., ABS, PS, PC) and synthetic fibers.
• Manufacturing of high-performance inks, including flexographic and gravure printing inks.
• Staining and tinting of industrial coatings, lacquers, and wood stains.
• Production of colored waxes, polishes, and cleaning agents.
• As a colorant for specialty chemical products and research & development purposes.
• Potential use in the coloration of hydrocarbon-based fuels and lubricants (subject to specific grade suitability).

Basic Information

Product Name	C.I. Solvent Red 83
CAS No.	79920-54-0
Molecular Formula	C24H20N4O2
Molecular Weight	396.44 g/mol
Synonyms	Solvent Red 83; Ceres Red BB; Oil Red BB; Sudan Red 7B; C.I. 26050; 1-[[4-(Phenylazo)phenyl]azo]-2-naphthol; Azoic Red; Spirit Soluble Red 83
EINECS	279-381-5

Quality Control

Our C.I. Solvent Red 83 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, hue, and purity. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Dark red powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 98.0%
Solubility (in Toluene)	Complete, clear solution
Moisture Content (KF)	≤ 1.0%
Ash Content	≤ 0.5%

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