Description

C.I. Pigment Orange 61 is a high-performance, synthetic organic pigment belonging to the benzimidazolone class, identified by CAS NO 76168-74-6. It is valued for its excellent color strength, lightfastness, and weather resistance, making it a durable and reliable coloring agent. This pigment is primarily needed by manufacturers in the coatings, plastics, and printing ink industries seeking vibrant, stable orange hues for demanding applications.

Application

This versatile pigment is engineered for high-performance applications where color stability is paramount. Key industrial uses include:

• Industrial Coatings: For automotive OEM and refinish paints, coil coatings, and heavy-duty industrial finishes requiring excellent durability and UV resistance.
• Plastics Coloring: Masterbatch and compound production for engineering plastics, PVC, polyolefins, and synthetic fibers, offering good heat stability and dispersion.
• Printing Inks: Formulation of high-quality packaging inks, publication gravure, and flexographic inks that demand strong color value and fastness properties.
• Specialty Applications: Used in artists' colors, construction materials, and other applications where a bright, lightfast orange pigment is required.

Basic Information

Product Name	C.I. Pigment Orange 61
CAS No.	76168-74-6
Molecular Formula	C18H12Cl2N6O4
Molecular Weight	447.23 g/mol
Synonyms	Pigment Orange 61; Benzamide, 2-[[2,5-dichlorophenyl)amino]carbonyl]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-; C.I. 11265; PO 61; Benzimidazolone Orange; Novoperm Orange H5G70; Cromophtal Orange GP; Hostaperm Orange H5G; Permanent Orange H5G
EINECS	Contact for details

Quality Control

Our production of C.I. Pigment Orange 61 adheres to stringent quality management systems to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, hue, particle size distribution, and rheological behavior. Certificates of Analysis (COA) documenting purity and technical specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Orange Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Standard
Lightfastness (1-8)	≥ 7
Weather Resistance	Good to Excellent
Heat Stability (°C)	≥ 200
Oil Absorption	40 - 60 g/100g
Residue on Sieve (45μm)	≤ 0.5 %
Moisture Content	≤ 2.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.