Pigment Red 81

Brand	Fineland Chem
Color Index	Pigment Red 81
Color Index No	45160
CAS No	12224-98-5
EC No	235-424-7
Chemical Group	Xanthene
Chemical Formula	C₁₁₂H₁₂₆MoN₈O₂₃PW

Introduction

Pigment Red 81 exhibits a pure and bright bluish red color, accurately matching the magenta hue for four-color overprinting inks. It boasts excellent high tinting strength, delivering vivid and intense coloration with minimal addition. The product features good stability in non-polar solvents such as aromatic hydrocarbons and paraffins, making it ideal for core applications including printing inks and coloring of cultural & educational supplies. Additionally, it offers two grades—toner and lake—for your flexible selection to meet diverse production requirements.

Best Selling

PR81 – DuraPrint® 6581 ⬇️TDS
A brilliant bluish-red pigment for water-based inks, offering high color strength, excellent flow, and vibrant print results with good gloss.

Physical Properties

Test Item	Specification
Density (g/cm3 )	1.55-1.85
Specific Surface Area(m2/g)	25-60
Oil Absorption(g/100g)	40-50
PH Value	6-9
Bulk Density (lb/gal)	10.4-12.5
Total impurities(ppm)	≤600

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

Fastness Properties

Heat Resistance (℃)	160	Alkali Resistance (1-5)	4
Light Resistance (Full Shade, 1-8)	5-6	Migration Resistance(1-5)	3-4
Light (Reduced tinting, 1-8)	5	Ethyl Acetate (1-5)	3
Weather Resistance (1-5)	3	Ethanol (1-5)	3
Acid Resistance (1-5)	4	MEK (1-5)	3

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

Excellent color performance: Features a pure and bright bluish red color, accurately matching the magenta hue for four-color overprinting inks. It has high tinting strength, delivering vivid and intense coloration with minimal addition. Additionally, it exhibits good stability in non-polar solvents such as aromatic hydrocarbons and paraffins, making it suitable for core application scenarios.
Flexible specification options: Offers two grades—toner and lake—to meet diverse production needs with strong adaptability.
Strict quality control: Adopts a rigorous quality management system, implementing precise control and inspection throughout the entire process from raw material selection to production. Each batch of products undergoes multiple process tests to ensure stable and reliable quality.
Strong production capacity: Equipped with advanced production facilities and a professional technical team, capable of supporting large-scale production and customization requirements. Continuously invests in technological improvement and equipment upgrading to guarantee excellent product performance and stable supply.
Reliable compliance: Fully complies with international and regional environmental, safety and quality standards such as REACH and RoHS, providing strong support for customers’ production safety and compliant operations.

Synonyms

C.I. pigment red 81
Pigment red 81 (C.I. 45160:1)
PIGMENT RED 81
Xanthylium, 9-2-(ethoxycarbonyl)phenyl-3,6-bis(ethylamino)-2,7-dimethyl-, molybdatetungstatephosphate
9-[2-(Ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethylxanthylium molybdatetungstatephosphate
Xanthylium, 9-[2-(ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethyl-, molybdatetungstatephosphate
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