Pigment Red 57:1

Brand	Fineland Chem
Color Index	Pigment Red 57:1
Color Index No	15850:1
CAS No	5281-04-9
EC No	226-109-5
Chemical Group	Mono Azo lake
Chemical Formula	C₁₈H₁₂N₂O₆SCa

Pigment Red 57:1 Characteristic

Introduction

This product belongs to the Lithol Rubine Red series of organic pigments, presenting standard magenta compliant with four-color printing specifications with a subtle bluish undertone. It is suitable for various applications including inks, color plastics (flexible PVC, LDPE) and latex paints, and can be legally used as Food Red No.7. It features excellent color strength and superior light fastness (4～5 grade, 1/1 SD), with flexible adjustment of particle size and shade achievable by adding Toluene Sulfonic Acid during synthesis. Combined with cost-effectiveness, it delivers a stable and reliable coloring solution for diverse industrial needs.

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Physical Properties

Test Item	Specification
Density (g/cm3 )	1.42-1.85
Specific Surface Area(m2/g)	60-80
Oil Absorption(g/100g)	35-50
PH Value	6-9
Bulk Density (lb/gal)	11.8-17.5
Total impurities(ppm)	≤600

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

Heat Resistance (℃)	160-220	Alkali Resistance (1-5)	4
Light Resistance (Full Shade, 1-8)	4-6	Migration Resistance(1-5)	3
Light (Reduced tinting, 1-8)	3-5	Ethyl Acetate (1-5)	4
Weather Resistance (1-5)	3-4	Ethanol (1-5)	3-4
Acid Resistance (1-5)	4	MEK (1-5)	3

Pigment Red 57:1 Application

Pigment Red 57:1 application:

Recommended for color plastic, it’s kind of lithol rubine red showing bluish shade. Mainly for low heat resistance/low required plastic,like PVC,EVA and low LLDP, for low film blowing grade and some mixed plastic.

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.

Pigment Red 57:1 Advantages

Advantages

Strict Quality Control & Stable Reliability：Establish a rigorous quality control and testing system to ensure high color saturation, strong stability, full compliance with industry standards, and consistent product quality.
Outstanding Performance for Diverse Needs：Boasts high color strength, excellent light fastness (4～5 grade, 1/1 SD), and good heat resistance. Features standard magenta with a subtle bluish undertone compliant with four-color printing specifications; particle size and shade can be flexibly adjusted by adding Toluene Sulfonic Acid during synthesis, adapting to various application scenarios.
Wide & Compliant Application Scope：Widely used in coatings, inks, color plastics (flexible PVC, LDPE), latex paints and other industries. Legally applicable as Food Red No.7, meeting coloring needs across multiple fields.
Flexible Supply & Customization Services：Maintain regular stock to ensure fast delivery of standard orders; provide customization services (including particle size, shade, packaging, etc.) for large orders or personalized requirements, flexibly responding to customer needs.
High Cost-Effectiveness：Under the premise of ensuring excellent performance and stable quality, it offers high cost-effectiveness, providing customers with a cost-efficient and reliable coloring solution.

Synonyms

Pigment Red 57:1
C.I.Pigmentred57:1
C.I.15850:1
Pigment red 57:1 (C.I. 15850:1)
PIGMENT RED 57:1 (SB)
PIGMENT RED 57:1 GRAVURE
PIGMENT RED 57:1W
PR57:1 LITHOL RUBINE DOM
3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylic acid calcium salt (1:1)
2-Naphthalenecarboxylic acid, 3-hydroxy-4-(4-methyl-2-sulfophenyl)azo-, calcium salt (1:1)
3-Hydroxy-4-[(2-sulfo-4-methylphenyl)azo]-2-naphthalenecarboxylic acid calcium salt
3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylic acid calcium salt
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