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Pigment Orange 73

Brand
Fineland Chem
Color Index
Pigment Orange 73
Color Index No
561170
CAS No
84632-59-7
EC No
276-057-2
Chemical Group
Diketopyrrolopyrrole
Chemical Formula C₂₆H₂₈N₂O₂

What is Pigment Orange 73

Pigment Orange 73 (C.I. Pigment Orange 73) is a high-performance organic pigment belonging to the diketopyrrolopyrrole (DPP) chemical class. It is widely recognized for its bright orange hue, strong coloring strength, and good fastness properties.

The pigment is typically supplied as an orange powder and is used across coatings, plastics, and printing ink systems where durable and vivid coloration is required. It is identified by Color Index No. 561170 and CAS No. 84632-59-7.

Product Technical Data and Typical Performance Values

PO73 DuraPaint®6273        ⬇️TDS

This is a orange pigment with good durability and application stability, suitable forIndustrial paint, Coin coating, Powder coating, Decorative water/solvent-base paint, Automotive Refinish paint etc.

Physical Properties

Test Item
Specification
Density (g/cm3 )
1.19
Specific Surface Area(m2/g)
10-40
Oil Absorption(g/100g)
30-45
PH Value
6-8
Bulk Density (lb/gal)
12.7-13.3
Total impurities(ppm)
≤600

 

Molecular structure formula of pigment orange 73

Fastness Properties

Heat Resistance (℃) 280 Alkali Resistance (1-5) 5
Light Resistance (Full Shade, 1-8) 7-8 Migration Resistance(1-5) 5
Light (Reduced tinting, 1-8) 7 Ethyl Acetate (1-5) 4-5
Weather Resistance (1-5) 4-5 Ethanol (1-5) 5
Acid Resistance (1-5) 5 MEK (1-5) 4-5

Typical Applications

Pigment Orange 73 is used in a variety of industrial coloration systems.

Decorative Coatings: Architectural paints and general-purpose industrial coatings.
Printing Inks: Packaging inks, publication inks, and other general printing applications.
Plastics: Polyolefins, PVC, and other general plastic coloration systems.
Packaging Materials: Plastic films, containers, and colored packaging products.
Masterbatch: Used in plastic color masterbatch formulations.

These applications benefit from the pigment’s bright shade and compatibility with standard industrial processes.

Key Performance Properties Related to Applications

Color Shade:
Produces a bright yellowish-orange tone with clear and vivid color appearance.

Tinting Strength:
Provides moderate to strong tinting strength suitable for coatings and plastic formulations.

Dispersibility:
Can be dispersed using conventional milling and compounding equipment.

Solvent Compatibility:
Compatible with many solvent-based and water-based coating and ink systems.

Processing Stability:
Suitable for low to medium temperature processing environments.

Color Development:
Offers stable color performance in common resin and binder systems.

Advantages

  • Vivid Orange Shade
    PO73 provides a bright, clean orange hue with excellent color saturation, making it ideal for applications requiring vivid and eye-catching tones.

  • Good Gloss and Dispersion
    The pigment exhibits smooth dispersion and maintains high gloss in coating systems, contributing to superior surface finish quality.

  • Suitable for High-End Coatings
    It performs well in premium industrial coatings such as automotive OEM paints, powder coatings, and coil coatings, ensuring consistent shade and film integrity.

 

Typical Limitations

Moderate Lightfastness:
For long-term outdoor exposure, pigments with higher durability may be preferred.

Limited Heat Resistance:
Not typically recommended for high-temperature engineering plastics.

Weather Resistance:
Outdoor performance may vary depending on formulation and exposure conditions.

Buyer Guidance

When evaluating Pigment Orange 73, buyers typically consider:

• Required shade tone (yellowish orange vs. reddish orange)
• Processing temperature of the plastic or coating system
• Lightfastness and weather resistance requirements
• Compatibility with coating, plastic, or ink resin systems
• Dispersion characteristics during manufacturing
• Regulatory and compliance considerations for final applications

Synonyms

C.I. 561170 P-orange 73 DPP Orange RA Permanent Orange 3RTN-P
Irgazin DPP Orange RA Irgazin DPP Orange 16A 3,6-Bis(4-tert-butylphenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione

Manufacturer and Supplier Information

Pigment Orange 73 is produced by manufacturers specializing in organic azo pigments used in coatings, plastics, and printing inks. Commercial grades may vary in particle size distribution, surface treatment, and dispersion characteristics, depending on the intended industrial application.

Package and Delivery

● 25KG Kraft Bag, 400kg/500kg Carton Box
● Lead Time: Normally around 15 days after signed contract.

FAQ

1.What color shade does Pigment Orange 73 produce.

Pigment Orange 73 typically produces a bright yellowish-orange shade suitable for coatings, plastics, and printing inks.

2.Is Pigment Orange 73 suitable for printing inks.

Yes. It is commonly used in packaging and general printing inks because of its bright color tone and good dispersibility.

3.Can Pigment Orange 73 be used in plastics.

Yes. The pigment can be used in polyolefins and PVC applications, depending on processing conditions.

4.What are the main characteristics of Pigment Orange 73.

Typical characteristics include bright orange shade, good color strength, and compatibility with coatings, plastics, and printing ink systems.

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