Description

Disperse Blue 79 is a high-performance anthraquinone-based disperse dye, known for its excellent color fastness and build-up properties. It is a critical component for achieving deep, vibrant blue shades with superior wash and light fastness in synthetic textiles. This dye is essential for manufacturers in the polyester and acetate fiber industries, as well as for the coloration of various plastic materials.

Application

• Primary dyeing of polyester fibers and fabrics.
• Dyeing of cellulose acetate and triacetate fibers.
• Coloration of polyester-cotton and other synthetic fiber blends.
• Mass coloration (dope dyeing) of synthetic polymers and plastics.
• Used in high-temperature dyeing processes for automotive textiles.
• Application in the printing of synthetic fabrics.

Basic Information

Product Name	Disperse Blue 79
CAS No.	12239-34-8
Molecular Formula	C₂₂H₁₄N₄O₆
Molecular Weight	430.37 g/mol
Synonyms	1,4-Diamino-2,3-dihydroanthraquinone; C.I. Disperse Blue 79; Disperse Navy Blue S-2GL; Samaron Navy Blue HGL; Foron Navy S-2GL; Dianix Navy Blue N; Terasil Navy Blue GFL; C.I. 11345
EINECS	Contact for details

Quality Control

Our Disperse Blue 79 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, dispersion stability, and particle size distribution. Certificates of Analysis (COA) detailing purity, physical properties, and application performance are available upon request.

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.

Specification

Item	Specification
Appearance	Dark Blue Powder
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Pass Test
Particle Size	> 95% below 2 microns

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