Pigment Red 266

Brand	Fineland Chem
Color Index	Pigment Red 266
Color Index No	12474
CAS No	36968-27-1
EC No	253-292-9
Chemical Group	Monoazo
Chemical Formula	C₂₅H₂₀N₄O₄

Introduction

Pigment Red 266 (C.I. 12474; CAS 36968-27-1) is a monoazo organic pigment with a novel structure, featuring a vivid bluish-red hue and excellent tinting strength. It boasts reliable application performance: lightfastness rated at 6–7, heat resistance up to approximately 180℃, and strong resistance to water, oil, acid, alkali, and alcohol, ensuring stable color performance in various usage environments. This pigment is widely applicable in coatings, plastics, textile printing, and various ink systems (including water-based, solvent-based, and offset inks), providing bright and durable coloring solutions for industrial and consumer markets.

Physical Properties

Test Item	Specification
Density (g/cm3 )	1.33
Specific Surface Area(m²/g)	22-25
Oil Absorption(g/100g)	45-69
PH Value	6.5-7.5
Moisture Content (%)	≤2
Total impurities(ppm)	≤600

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

Fastness Properties

Heat Resistance (℃)	180	Alkali Resistance (1-5)	5
Light Resistance (Full Shade, 1-8)	6-7	Migration Resistance(1-5)	5
Light (Reduced tinting, 1-8)	6	Ethyl Acetate (1-5)	5
Weather Resistance (1-5)	5	Ethanol (1-5)	5
Acid Resistance (1-5)	5	MEK (1-5)	4

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

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

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 Kraft Bag, 400kg/500kg Carton Box

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

Advantages

Outstanding Color Performance: Delivers a vivid, intense bluish-red hue with strong visual impact. The bright and long-lasting color endows products with an eye-catching appearance.
Excellent Lightfastness and Weather Resistance: Boasts lightfastness rated at 6–7 and superior weather resistance. It maintains vibrant color even under direct sunlight and harsh climatic conditions, effectively reducing fading and extending product service life.
High Coloring Efficiency: Features high pigment concentration, achieving full and uniform coloring effect with a small addition. Significantly reduces pigment usage cost, optimizes production resource consumption, and improves economic benefits.
Superior Dispersion Property: Exhibits excellent dispersibility, enabling quick and uniform integration into various systems. Minimizes color difference issues and ensures color consistency and overall quality of the final coating/product.
Strong Stability: Offers reliable resistance to water, oil, acid, alkali, and alcohol, with heat resistance up to approximately 180℃. Maintains stable performance in diverse application environments.
Wide Application Scope: Suitable for coatings, plastics, textile printing, and various ink systems (including water-based, solvent-based, and offset inks), meeting the diverse coloring needs of industrial and consumer markets.
Enhances Brand Value: With high-quality color performance and durability, it helps products improve core competitiveness, gain higher market recognition, and enhance brand added value.

Synonyms

Pigment Red 266
Pigment red 266 (C.I. 12474)
PR266 NAPHTHOL RED 2R
Naphthol red2r
4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
2-Naphthalenecarboxamide, 4-4-(aminocarbonyl)phenylazo-3-hydroxy-N-(2-methoxyphenyl)-
4-[[4-(aminocarbonyl) phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)-2-Naphthalenecarboxamide
N-(2-Methoxyphenyl)-3-hydroxy-4-(4-carbamoylphenylazo)-2-naphthamide
2-Naphthalenecarboxamide, 4-[2-[4-(aminocarbonyl)phenyl]diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-
(4Z)-4-[(4-carbamoylphenyl)hydrazinylidene]-N-(2-methoxyphenyl)-3-oxonaphthalene-2-carboxamide
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