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

Introduction

Pigment Orange 73(PO73) is a premium orange pigment with outstanding heat and light resistance, featuring lightfastness grades of 7–8 and heat stability up to around 280 °C in full-shade tests. It offers high color strength, excellent dispersibility, and consistent performance in industrial coatings, coil and powder coatings, automotive refinish, and high-end ink systems. With its combination of durability, visual brilliance, and broad application compatibility, it provides an excellent performance-to-cost ratio for formulators targeting premium finishes.

Best Selling

PO73 DuraPaint®6573 ⬇️TDS

This is a reddish-shade orange pigment with typical color performance, suitable for general-purpose applications.

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

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

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

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.

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