Description

Disperse Orange 61 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant orange hue. It is engineered for exceptional color fastness and thermal stability, making it a critical component in demanding coloration processes. This product is essential for manufacturers in the textile and plastics industries who require reliable and consistent dyeing performance for synthetic fibers.

Application

• Textile Dyeing: Primary application for dyeing hydrophobic synthetic fibers such as polyester, acetate, and nylon, especially in high-temperature dyeing processes.
• Plastics Coloring: Used for mass coloration of various thermoplastic polymers, including polystyrene, polycarbonate, and ABS, to achieve uniform and lightfast colors.
• Ink Formulation: A key pigment for specialty inks used in ink-jet printing and transfer printing applications on synthetic fabrics.
• Automotive Interiors: Employed in dyeing polyester-based automotive textiles, such as seat covers and headliners, where color consistency and UV resistance are paramount.
• Sportswear Fabric: Ideal for high-performance athletic apparel made from polyester and polyester blends, offering excellent wash and sweat fastness.
• Masterbatch Production: Supplied as a high-strength colorant for creating concentrated pigment masterbatches used in plastic extrusion and molding.

Basic Information

Product Name	Disperse Orange 61
CAS No.	12270-45-0
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Orange 61; C.I. Disperse Orange 61; 1-[(2-Cyanoethyl)amino]-4-[(2,4-dinitrophenyl)azo]benzene; 2-[(4-[(2-Cyanoethyl)amino]phenyl)azo]-1,3-dinitrobenzene; Disperse Orange GR; Samaron Orange HRS; Foron Orange S-R; Palanil Orange 3R; Dianix Orange HRS
EINECS	235-543-6

Quality Control

Our Disperse Orange 61 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, particle size distribution, and dispersion stability. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with each shipment 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 and incompatible materials. The product is light-sensitive; prolonged exposure to direct light should be avoided to maintain color integrity.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size	> 95% passes 80 mesh
Dispersion Stability	Stable in standard medium
Identification (IR)	Conforms to standard

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