Description

Solvent Yellow 163 CAS NO 106768-99-4 is a high-performance, oil-soluble azo dye belonging to the solvent yellow class of colorants. This product is engineered to deliver exceptional color strength, lightfastness, and solubility in a wide range of non-polar organic media, providing reliable and consistent coloration. It is primarily utilized by manufacturers in the plastics, inks, coatings, and specialty chemical industries where vibrant, stable yellow hues are required for technical applications.

Application

• Primary coloration of plastics such as polystyrene (PS), ABS, polycarbonate (PC), and polyolefins.
• Manufacturing of industrial inks, including flexographic, gravure, and specialty printing inks.
• Pigmentation for solvent-based coatings, automotive refinishes, and wood stains.
• Coloring of waxes, greases, and lubricants for identification and branding purposes.
• Production of colored resins and masterbatches for polymer processing.
• Tinting of fuel and marker dyes for industrial and regulatory applications.

Basic Information

Product Name	Solvent Yellow 163
CAS No.	106768-99-4
Molecular Formula	C24H21N5O4
Molecular Weight	443.45 g/mol
Synonyms	Solvent Yellow 163; C.I. Solvent Yellow 163; 1,3-Benzenedicarboxamide, N1,N3-bis[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]-; Kayaset Yellow A-G; Oil Yellow 263; Aizen SOT Yellow-3; Macrolex Yellow 3G; Ceres Yellow 3G
EINECS	Contact for details

Quality Control

Our Solvent Yellow 163 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each 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 every shipment to 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 strong oxidizing agents.

Specification

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

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