Pigment Red 21, Organic Pigment for Industrial Paints and Coatings

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Product Details
Customization: Available
CAS NO.: 6410-26-0
Formula: C23h16cln3o2
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  • Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
  • Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
  • Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
  • Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
  • Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
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  • Overview
  • Product Description
  • Application
  • Packaging & Shipping
  • FAQ
  • Product Display
Overview

Basic Info.

Model NO.
3132
EINECS
229-096-4
Colour
Red
Appearance
Powder
Usage
Ink, Plastic, Paint, Textile, Paper, Leather
Type
Synthetic
Composition
Monoazo
Solubility
Insolubility
Name
Pigment Red 21
OEM
Accept
Oil Absorption
40-55g/100g
Heat Resistance
150ºC
Water-Soluble Substance
≤2.5%
Tinting Strength
100±5 %
Transport Package
Pallet
Specification
25KG/Bag
Trademark
CALA
Origin
China
HS Code
3204170090
Production Capacity
300mt/Month

Packaging & Delivery

Package Size
110.00cm * 110.00cm * 120.00cm
Package Gross Weight
510.000kg

Product Description

Product Description
Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
Pigment Red 21,Organic Pigment for Industrial Paints and Coatings
 Pigment Red 21 (CAS 6410-26-0), a classic monoazo red pigment. Renowned for its vibrant yellowish-red hue, high tinting strength, and exceptional cost-effectiveness, it is a key colorant for industrial coatings and paint systems.
It offers excellent hiding power, good flow properties, and ease of dispersion, serving as an economical alternative to higher-cost high-performance pigments. 
It is widely used in applications demanding vivid color and controlled costs, with moderate weathering resistance requirements.
Key Features & Advantages
Vivid Color & High Hiding Power:
Delivers a bright, rich yellowish-red shade with superior opacity, effectively covering substrates, reducing coating layers, and optimizing formulation costs.
Exceptional Cost-Effectiveness:
Provides highly competitive value in general industrial paint applications, making it the economical choice for achieving vivid red shades.
Excellent System Compatibility:
Demonstrates good compatibility with various industrial coating resin systems (e.g., acrylic, alkyd, amino baking enamel, nitrocellulose lacquer), facilitating easy formulation without compromising film properties.
Optimized Dispersion & Leveling:
Surface-treated to ensure rapid dispersion during grinding and stirring, enhancing production efficiency and contributing to a smooth film finish.
Reliable Interior Durability:
Exhibits good color stability under indoor and mild environmental conditions, suitable for a wide range of industrial product and equipment finishes.
Technical Parameters
Product Name
3132 Scarlet powder / Pigment Red 21
Color Index No.
C.I.P.R.21
Chemical Composition
C23H16N3O2Cl
CAS No.
6410-26-0 / C.I.12300

Testing indicators
Unite
Parameter
Physical Properties
Product Appearance

Red powder
Oil Absorption
g/100g
40-50
Moisture Content
%
≤2.5
Water-soluble Substance
%
≤2.5
Fastness Properties
Tinting Strength
%
100±5
Light Fastness
Level
6
Heat Resistance
150
Acid Fastness
Level
5
Alkali Fastness
Level
1
Oil resistance
Level
4
Water resistance
Level
5
Safety
1. The relevant directives of the European Community and the effective regulations of independent EU countries clearly state that this product is not classified as dangerous goods. As a result, it presents no risks under transportation regulations.

2. In countries outside the European Union, it is imperative to comply with the classification, packaging, labeling, and transportation requirements for hazardous substances in each country.

3. Be sure to check the safety data sheet. This includes processing information on the safety and ecological aspects of some products.
Application
Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
Primary Applications in Coatings
General Industrial Equipment & Machinery Coatings:
Widely used in topcoats for agricultural machinery, construction equipment, factory apparatus, and metal furniture, providing eye-catching and protective colors.
Automotive Refinish & Component Coatings:
Suitable for some automotive refinish paints, interior trim, and underbody part coatings where extreme weatherability is not critical.
Architectural & Structural Steel Coatings:
Used in interior/exterior paints for factories, warehouses, and general protective coatings for structural steel, offering outstanding value.
Toy & Stationery Coatings:
Compliant with relevant safety standards, ideal for colorful coatings on toys, stationery, and other products requiring bright, attractive colors.
Primers & Single-Coat Systems:
Frequently used in primers or economical one-coat systems requiring strong hiding power due to its excellent opacity.
Packaging & Shipping
Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
* Packaging: 25 kg/bag (paper bag with plastic inner bag) or tailored to customer requests.
* Storage: Keep in a dry and cool place.
* Port:Guangzhou Port, China
* FOB Price:[Contact us for the latest competitive price]
* Lead Time: 7-14 days after order confirmation.
Why Choose CALA?
* Expert Manufacturer:Over 10 years of expertise in organic pigments.

* Strict QC:Robust quality control from raw materials to finished products.

* Technical Support:Our expert team offers color matching and application solutions.

* Reliable Supply: Steady production capacity ensures prompt delivery.
FAQ
Q: Can I get a sample for testing?
A: Yes, we provide free samples for quality evaluation. You only need to cover the freight cost.
Q: What is the MOQ?
A: The standard MOQ is 500 kg, but we are open to discussion for initial cooperation.
Q: Is it suitable for food contact materials?
A: Please contact our technical team for specific compliance requirements based on your application.
Product Display
Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
Pigment Red 21, Organic Pigment for Industrial Paints and Coatings
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