Description

Solvent Yellow 79 is a high-performance, oil-soluble azo dye widely recognized for its strong tinctorial strength and excellent solubility in non-polar media. This product is valued for its ability to impart a clean, bright yellow hue with good light and heat stability in demanding industrial applications. It is primarily utilized by manufacturers in the plastics, printing inks, and coatings industries seeking reliable and consistent coloration.

Application

• Coloration of hydrocarbon-based solvents, fuels, and lubricants.
• Mass pigmentation of olefinic polymers, including polypropylene (PP) and polyethylene (PE).
• Manufacturing of high-quality printing inks, especially for packaging and specialty publications.
• Formulation of industrial coatings and wood stains requiring oil solubility.
• Production of colored waxes and polishes.
• Tinting of adhesives and sealants.

Basic Information

Product Name	Solvent Yellow 79
CAS No.	12237-31-9
Molecular Formula	C24H22N4O2
Molecular Weight	398.46 g/mol
Synonyms	Solvent Yellow 79; C.I. Solvent Yellow 79; 1-[[4-[(2,6-Dichloro-4-nitrophenyl)azo]phenyl]ethylamino]anthraquinone; Oil Yellow 79; Aizen SOT Yellow-3; Macrolex Yellow 3G; Plast Yellow 8350; Ceres Yellow GN
EINECS	Contact for details

Quality Control

Our Solvent Yellow 79 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, hue, solubility, and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your specifications.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Purity (HPLC)	≥ 98.0%
Moisture (KF)	≤ 1.0%
Ash Content	≤ 0.5%
Solubility (in Toluene)	Complete, clear solution

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