Description

Disperse Orange 56 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant orange hue. Its primary value lies in its excellent sublimation fastness and good leveling properties, which are critical for achieving consistent, high-quality coloration. This product is essential for manufacturers in the textile and polymer industries seeking reliable and efficient dyeing solutions for synthetic fibers.

Application

• Textile Dyeing: Primary application for dyeing hydrophobic fibers such as polyester, acetate, and nylon, especially in high-temperature dyeing processes.
• Plastics and Polymer Coloring: Used for mass coloration of various plastics, including polystyrene, polycarbonate, and acrylic resins, to impart a stable orange color.
• Ink Formulation: A key pigment for specialty inks used in transfer printing and other digital or industrial printing applications on synthetic materials.
• Automotive Interiors: Employed in dyeing synthetic fabrics and plastics used for car seat covers, dashboards, and interior trim.
• Sportswear and Outdoor Gear: Ideal for dyeing high-performance polyester fabrics used in athletic apparel, backpacks, and tents due to its colorfastness.
• 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 56
CAS No.	12239-57-5
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Orange 56; C.I. Disperse Orange 56; 1-[[4-[(2-Cyano-4-nitrophenyl)azo]phenyl]ethylamino]propanenitrile; Acetate Orange G; Amacel Orange G; Artisil Orange G; C.I. 111275; Disperse Orange G; Foron Orange S-R; Intrasil Orange G; Kayalon Polyester Orange G-SF; Miketon Polyester Orange G; Palanil Orange G; Resolin Orange G; Samaron Orange G; Serilene Orange G; Teraprint Orange G; Tersetile Orange G
EINECS	235-428-4

Quality Control

Our Disperse Orange 56 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 performance characteristics 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 ambient temperature (15-25°C). Keep away from heat sources and incompatible materials. Under these conditions, the product maintains its stability and performance specifications.

Specification

Item	Specification
Appearance	Orange to reddish-orange powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Within agreed tolerance
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size	> 95% passes 80 mesh
Dispersion Stability	Stable in standard medium
Sublimation Fastness	≥ 4 (180°C/30s)

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