Description

Pigment Yellow 83 is a high-performance, diarylide-based organic pigment renowned for its exceptional color strength and durability. This pigment is critical for achieving brilliant, opaque, and lightfast yellow shades in demanding industrial applications. It is primarily used by manufacturers in the plastics, printing inks, coatings, and synthetic fibers industries who require consistent, high-quality coloration that withstands processing and environmental exposure.

Application

• Primary colorant for plastics and masterbatches, including polyolefins (PP, PE), PVC, and engineering plastics.
• Formulation of high-grade printing inks for packaging, publications, and decorative laminates.
• Production of industrial and decorative coatings, including automotive, architectural, and powder coatings.
• Coloration of synthetic fibers such as polypropylene and polyester.
• Manufacturing of colored papers and specialty paper products.
• Pigmentation for rubber and other elastomeric materials.
• Use in artist colors and other specialty artistic mediums.

Basic Information

Product Name	Pigment Yellow 83
CAS No.	5567-15-7
Molecular Formula	C36H32Cl2N6O6
Molecular Weight	723.59 g/mol
Synonyms	Pigment Yellow 83; C.I. 21108; Diarylide Yellow HR; Permanent Yellow HR; Benzidine Yellow HR; 3,3'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]; 3,3'-Dichlorobenzidine Yellow; Clariant Yellow HR; Hostaperm Yellow H4G; PV Fast Yellow HGR
EINECS	226-941-5

Quality Control

Our Pigment Yellow 83 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot is tested against stringent internal specifications for key parameters such as color strength, hue, particle size distribution, and thermal stability. A comprehensive Certificate of Analysis (COA) detailing these 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 incompatible materials and sources of ignition. The product is light-sensitive and should be stored away from direct light exposure to maintain its color properties.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Residue on Sieve (63 µm)	≤ 0.5 %
Volatile Matter (105°C)	≤ 2.0 %
pH Value (Aqueous Extract)	6.0 - 8.0
Lightfastness	≥ 7 (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.