Description

Disperse Orange 73 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant orange hue. It is engineered to provide excellent color fastness, thermal stability, and dispersion properties, which are critical for achieving uniform and durable coloration. This product is essential for manufacturers in the textile and polymer industries seeking reliable and consistent colorants for synthetic fibers.

Application

Disperse Orange 73 is primarily used for coloring hydrophobic materials. Its key applications include:

• Polyester Fiber Dyeing: The primary application for exhaust and continuous dyeing processes, offering excellent wash and light fastness.
• Acetate and Nylon Coloring: Used for dyeing acetate and nylon textiles, providing bright and level shades.
• Plastics and Polymer Mass Coloration: Incorporated into polymers like polystyrene, ABS, and polycarbonates during manufacture for consistent bulk color.
• Ink Formulations: Used in the production of specialty inks for various industrial printing applications.
• Transfer Printing: Suitable for use in dyes for transfer paper to print synthetic fabrics.

Basic Information

Product Name	Disperse Orange 73
CAS No.	79300-11-1
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Orange 73; C.I. Disperse Orange 73; 1,4-Diamino-2,3-dicyanoanthraquinone; Solvent Orange 86; 2,3-Dicyano-1,4-diaminoanthraquinone; 1,4-Bis(amino)-9,10-anthracenedione-2,3-dicarbonitrile; Disperse Orange GSL; Foron Orange RD-GFL
EINECS	Contact for details

Quality Control

Our Disperse Orange 73 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including purity assay, shade strength, dispersion stability, and fastness properties. A Certificate of Analysis (COA) documenting key specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes test
Particle Size	> 95% below 5 µm

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