Description

Disperse Red 78 is a high-performance, synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant red hue and excellent fastness properties. Its primary value lies in its exceptional affinity for synthetic hydrophobic fibers, providing deep, uniform coloration with superior wash and light fastness. This dye is essential for manufacturers in the textile industry, particularly for dyeing and printing polyester, acetate, and nylon fabrics, as well as for specialized applications in plastics and inks.

Application

• Primary dyeing of polyester fibers and fabrics for apparel and home textiles.
• Printing applications on polyester and polyester-blend materials.
• Coloration of secondary acetate and triacetate fibers.
• Dyeing of nylon (polyamide) textiles for specific end-uses.
• Mass coloration (spin dyeing) of synthetic polymers during fiber production.
• Specialized applications in the coloration of plastics, such as polycarbonate or polystyrene.
• Manufacture of inks for transfer printing processes.
• Research and development of new color formulations and dyeing techniques.

Basic Information

Product Name	Disperse Red 78
CAS No.	12236-35-0
Molecular Formula	C20H13N3O4
Molecular Weight	359.34 g/mol
Synonyms	Disperse Red 78; C.I. Disperse Red 78; 1-Amino-4-hydroxy-2-phenoxy-9,10-anthraquinone; 1-Amino-4-hydroxy-2-phenoxyanthraquinone; 9,10-Anthracenedione, 1-amino-4-hydroxy-2-phenoxy-; Samaron Red HBL; Foron Red S-BL; Dianix Red AC-E; Kayalon Polyester Red BL-S; Intrasil Red 2B
EINECS	235-428-1

Quality Control

Our Disperse Red 78 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against comprehensive specifications for color strength, shade, dispersion stability, and impurity profiles. A Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with every 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 specified properties.

Specification

Item	Specification
Appearance	Reddish-brown 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%
Dispersion Stability	Passes test
Particle Size	≤ 2.0 μm (Average)

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