Description

Disperse Red 73 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant red hue. It is valued for its excellent color fastness, thermal stability, and compatibility with synthetic fibers, making it a critical component in modern textile coloration. This product is essential for manufacturers in the textile and plastics industries seeking reliable and consistent colorants for hydrophobic materials.

Application

Disperse Red 73 is primarily used for dyeing and printing synthetic fibers where it delivers deep, durable shades. Its key applications include:

• Polyester Fabric Dyeing: The primary application, providing excellent wash and light fastness on polyester textiles.
• Acetate and Nylon Coloration: Used for dyeing acetate and nylon fibers, offering good leveling and build-up properties.
• Plastics and Polymers: Employed as a colorant for mass-coloration of plastics like polystyrene, polycarbonate, and ABS.
• Transfer Printing: Used in the inks for thermal transfer printing processes on synthetic fabrics.
• Automotive Textiles: Suitable for coloring polyester-based automotive upholstery and interior fabrics.
• Sportswear and Outdoor Gear: Ideal for synthetic performance apparel requiring color durability.

Basic Information

Product Name	Disperse Red 73
CAS No.	12270-46-1
Molecular Formula	C18H15N5O4
Molecular Weight	365.34 g/mol
Synonyms	Disperse Red 73; C.I. 11116; 1-Amino-2-phenoxy-4-hydroxyanthraquinone; 1-Amino-4-hydroxy-2-phenoxyanthraquinone; Disperse Red GR; Samaron Red F3GL; Foron Red S-3GL; C.I. Disperse Red 73; 9,10-Anthracenedione, 1-amino-4-hydroxy-2-phenoxy-
EINECS	235-543-9

Quality Control

Our Disperse Red 73 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. Every lot is tested against stringent in-house specifications for critical parameters such as color strength, shade, particle size distribution, and dispersion stability. A Certificate of Analysis (COA) detailing purity, physical properties, and performance tests is provided with each shipment to guarantee it meets your specific application 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 prevent degradation.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size (D50)	≤ 2.0 μm
Dispersion Stability	Passes test

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