Description

Pigment Yellow 155 is a high-performance, benzimidazolone-based organic pigment renowned for its excellent coloristic properties and durability. This pigment offers a clean, greenish-yellow shade with outstanding lightfastness, weather resistance, and heat stability, making it a critical component for demanding applications. It is primarily utilized by formulators and manufacturers in the coatings, plastics, and printing ink industries who require reliable and consistent coloration for high-quality finished products.

Application

• Industrial and Automotive Coatings: Used in high-performance OEM and refinish paints due to its excellent weather fastness and chemical resistance.
• Plastics Coloring: Ideal for coloring engineering plastics (e.g., PVC, polyolefins) where high processing temperatures and light stability are required.
• Printing Inks: Employed in packaging and publication gravure inks, flexographic inks, and other specialty inks for its color strength and print quality.
• Architectural Coatings: Provides durable and fade-resistant colors for exterior and interior decorative paints.
• Masterbatch Production: A key component in the manufacture of color concentrates for the plastics industry.
• Specialty Applications: Suitable for coloring synthetic fibers, leather, and other materials requiring high-performance pigments.

Basic Information

Product Name	Pigment Yellow 155
CAS No.	77465-46-4
Molecular Formula	C18H18N4O6
Molecular Weight	386.36 g/mol
Synonyms	PY 155; C.I. Pigment Yellow 155; Benzimidazolone Yellow H4G; 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]; Pigment Yellow H4G; Novoperm Yellow H4G; Hostaperm Yellow H4G; Irgazin Yellow 2060
EINECS	Contact for details

Quality Control

Our Pigment Yellow 155 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Each lot is tested against stringent specifications for color strength, hue, particle size distribution, and rheological properties. A Certificate of Analysis (COA) detailing these parameters is 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.

Specification

Item	Specification
Appearance	Yellow Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Resistance to Light	7-8 (ISO 105-B02)
Heat Stability	≥ 200°C
Oil Absorption	40 - 50 g/100g
Particle Size (D50)	0.2 - 0.4 μm
Volatile Matter	≤ 2.0%

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