Pigment Yellow 55

Brand	Fineland Chem
Color Index	Pigment Yellow 55
Color Index No	21096
CAS No	6358-37-8
EC No	228-771-0
Chemical Group	Disazo
Chemical Formula	C₃₄H₃₀CI₂N₆O₄

Introduction

Pigment Yellow 55 is an organic azo pigment that provides a bright reddish-yellow shade with strong color intensity and good tinting strength. It is widely applied in printing inks, coatings, plastics, and paper products. Known for its good dispersion and cost-effectiveness, PY 55 is suitable for a variety of industrial and decorative uses. While its lightfastness and weather resistance are moderate, it performs well in indoor or short-term applications where vibrant, economical yellow tones are required.

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A yellow-organic pigment offering excellent heat resistance (180 °C), good lightfastness and weather durability, and strong chemical resistance—designed for industrial and decorative water- or solvent-based paint applications.

Physical Properties

Test Item	Specification
Density (g/cm3 )	1.40-1.43
Specific Surface Area(m2/g)	45
Oil Absorption(g/100g)	40-74
PH Value	5-8
Bulk Density (lb/gal)	11.6-11.9
Total impurities(ppm)	≤600

Fastness Properties (5=excellent, 1=poor) | Light Fastness (8=excellent, 1=poor)

Heat Resistance (℃)	180	Alkali Resistance (1-5)	4
Light Resistance (Full Shade, 1-8)	5	Migration Resistance(1-5)	4
Light (Reduced tinting, 1-8)	6	Ethyl Acetate (1-5)	3
Weather Resistance (1-5)	3-4	Ethanol (1-5)	4
Acid Resistance (1-5)	4	MEK (1-5)	4

Application

Pigment Yellow 55 Applications
● Automotive Coatings: Due to its excellent durability and color strength, PY155 is widely used in automotive paints.
Pigment Yellow 55 Applications
● Coatings: PY55 is used in industrial, automotive, and architectural coatings for its vibrant color and durability.
● Plastics: It is widely used in the plastics industry to color a wide range of plastic materials.
● Inks: Fast Yellow 2RN is commonly used in printing inks, especially for packaging, where bright, consistent colors are critical.
● Textiles: Pigment Yellow 55 is used in textile printing to achieve bright, long-lasting yellow shades.
● Rubber: It can be used to color rubber products due to its excellent chemical and heat resistance.

Application

Printing Ink: Discover high-performance ink pigments for various printing technologies including water-based, solvent-based, offset, inkjet, UV curing, and decorative applications. More Details

Paint and Coating: Explore a wide range of coating pigments tailored for paints, oils, automotive finishes, industrial applications, concrete, cement, and ceramics. More Details

Plastic: Browse a comprehensive selection of plastic pigments designed for PE, PVC, EVA, rubber, and a variety of engineering plastics. More Details

Special Applications: Find specialized pigments offering unique effects and functionalities for textiles, resins, glazes, metallic finishes, fluorescence, and anti-corrosion needs. More Details

Package and Delivery

● 25KG drum, 1000KG Carton Box.

● Lead Time: Normally around 15 days after signed contract.

Advantages

● High Stability: Pigment Yellow 55 exhibits excellent light fastness and heat resistance, with ratings of 5 and 150°C, respectively. This makes it suitable for outdoor applications and high-temperature processes.
● Chemical Resistance: This pigment shows strong resistance to water, oil, acid, and alkali, with most ratings at 5 except for oil resistance, which is 4. This chemical stability ensures the longevity and durability of the pigment in various environments.
● Versatile Applications: PY55 is primarily used in water-based inks and textile printing due to its stable properties and vibrant color. Its application extends to industrial packaging printing inks, PVC, and rubber products, although it may have a tendency to migrate in soft PVC.
● Customizable: Fast Yellow 2RN can be manufactured in both transparent and non-transparent types, tailored to user requirements. This flexibility allows manufacturers to meet specific customer needs effectively.