Description

C.I. Pigment Yellow 183 is a high-performance, benzimidazolone-based organic pigment known for its excellent color strength and durability. This pigment matters for formulators seeking a brilliant, green-shade yellow with superior lightfastness, weather resistance, and chemical stability for demanding applications. It is needed by manufacturers in the coatings, plastics, and printing ink industries who require consistent, high-quality colorants that maintain their properties under harsh environmental conditions.

Application

• Industrial and Automotive Coatings: Used in high-grade OEM and refinish paints for excellent exterior durability and color retention.
• Plastics Coloring: Suitable for coloring engineering plastics, PVC, polyolefins, and synthetic fibers, offering good heat stability and dispersion.
• Printing Inks: Employed in packaging, decorative, and publication gravure and flexographic inks for vibrant, fade-resistant prints.
• Architectural Coatings: Provides long-lasting color for exterior wall paints and powder coatings.
• Specialty Applications: Used in artists' colors, leather finishes, and other applications requiring a high-performance yellow pigment.

Basic Information

Product Name	C.I. Pigment Yellow 183
CAS No.	112153-88-5
Molecular Formula	C18H12Cl2N6O4
Molecular Weight	447.23 g/mol
Synonyms	Pigment Yellow 183; Benzimidazolone Yellow H4G; C.I. 18792; PY 183; 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutanamide]; Novoperm Yellow H4G; Hostaperm Yellow H4G; Permanent Yellow H4G
EINECS	Contact for details

Quality Control

Our C.I. Pigment Yellow 183 is manufactured under a strict quality management system to ensure batch-to-batch consistency. Quality is verified against key parameters including color strength, hue, particle size distribution, and rheological properties. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to guarantee compliance with your formulation 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 strong oxidizing agents. The product is not classified as moisture-sensitive under normal storage conditions.

Specification

Item	Specification
Appearance	Yellow Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Standard
Resistance to Light	7-8 (ISO 105-B02)
Heat Stability	200°C (Plastics, typical)
Oil Absorption	40 - 50 g/100g
Particle Size (D50)	< 1.0 μm
Volatile Matter	≤ 2.0%

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