Description

Solvent Yellow 63 is a high-performance organic dye belonging to the solvent dye class, known for its excellent solubility in non-polar media. This product is valued for its strong, stable coloration and compatibility with a wide range of polymers and organic solvents, making it a critical component for achieving vibrant, durable yellows. It is primarily utilized by manufacturers in the plastics, ink, and coatings industries seeking consistent, high-quality pigmentation for their formulations.

Application

• Primary coloring agent for polystyrene (PS), polycarbonate (PC), and other engineering plastics.
• Formulation of printing inks, including flexographic and gravure inks for packaging.
• Production of industrial and automotive coatings requiring lightfastness and chemical resistance.
• Coloration of waxes, lubricants, and specialty oils for identification and branding.
• Manufacturing of colored synthetic fibers and masterbatches.
• Tinting of wood stains and varnishes.
• Used in the coloration of gasoline and fuel dyes for regulatory marking.

Basic Information

Product Name	Solvent Yellow 63
CAS No.	61116-27-6
Molecular Formula	C18H14N2O2
Molecular Weight	290.32 g/mol
Synonyms	1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)propanedinitrile; C.I. Solvent Yellow 63; Oil Yellow 63; Plast Yellow 816; Macrolex Yellow 3G; Thermoplast Yellow 084; Kayaset Yellow 814; Sumiplast Yellow HLR
EINECS	262-635-9

Quality Control

Our Solvent Yellow 63 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product is tested against rigorous internal specifications for color strength, hue, and solubility. A comprehensive Certificate of Analysis (COA) detailing purity, identification, and physical properties is provided with every shipment to guarantee it meets your technical requirements.

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. Under these conditions, the product has an extended shelf life.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 5%
Melting Point	180 - 185 °C
Solubility (in Toluene)	Clear, complete solution
Moisture Content (KF)	≤ 0.5%
Ash Content	≤ 0.1%

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