Description

Pigment Yellow 63 is a high-performance, monoazo-based organic pigment known for its bright and clean yellow hue. This pigment offers excellent value through its strong tinting strength, good lightfastness, and cost-effective performance in various coloring applications. It is primarily required by manufacturers in the plastics, coatings, inks, and synthetic fiber industries seeking reliable and vibrant yellow coloration.

Application

• Coloration of plastics and synthetic resins, including PVC, polyolefins, and engineering plastics.
• Manufacturing of industrial and decorative paints and coatings.
• Formulation of printing inks for packaging, publication, and other substrates.
• Mass pigmentation of synthetic fibers such as polypropylene and polyester.
• Coloring of rubber and other elastomeric products.
• Used in the production of colored masterbatches and concentrates.

Basic Information

Product Name	Pigment Yellow 63
CAS No.	14569-54-1
Molecular Formula	C16H12Cl2N4O4
Molecular Weight	395.20 g/mol
Synonyms	Pigment Yellow 63; C.I. Pigment Yellow 63; 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutanamide]; C.I. 11781; P.Y. 63; Benzanilide Yellow; Permanent Yellow GR; Monolite Yellow GN; Vulcan Fast Yellow GR
EINECS	238-618-5

Quality Control

Our Pigment Yellow 63 is manufactured under a strict quality management system. Every batch is tested against stringent internal specifications to ensure consistent color strength, shade, and physical properties. A comprehensive Certificate of Analysis (COA) detailing purity, hue, and performance characteristics is provided with each shipment to guarantee product integrity and traceability.

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. Due to its light-sensitive nature, prolonged direct exposure to light should be avoided to maintain optimal color stability.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Residue on Sieve (45μm)	≤ 1.0%
Volatile Matter (at 105°C)	≤ 2.0%
pH Value (Aqueous Slurry)	6.0 - 8.0
Lightfastness	≥ 6 (ISO 105-B02)
Heat Resistance	≥ 200°C

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