Description

Disperse Red 179 is a high-performance, anthraquinone-based disperse dye renowned for its excellent color fastness and thermal stability. This product is essential for achieving vibrant, durable red shades on synthetic fibers, particularly in demanding high-temperature dyeing processes. It is primarily used by manufacturers in the textile and specialty plastics industries seeking reliable and consistent coloration for polyester and its blends.

Application

• Primary dyeing of polyester fibers and fabrics.
• Dyeing of polyester-cotton and polyester-wool blended textiles.
• Coloration of polyamide (nylon) fibers.
• Mass coloration of plastics, such as polystyrene and certain engineering plastics.
• Transfer printing applications for synthetic textiles.
• Manufacture of color filters and other optical components.

Basic Information

Product Name	Disperse Red 179
CAS No.	61951-64-2
Molecular Formula	C₂₀H₁₃NO₄
Molecular Weight	331.32 g/mol
Synonyms	1-Amino-4-hydroxy-2-phenoxy-9,10-anthracenedione; C.I. Disperse Red 179; Disperse Red SE-4B; Samaron Red F3BL; Foron Red SE-4B; Dianix Red AC-E; Palanil Red 3B; Kayalon Polyester Red 3B-FS
EINECS	263-340-6

Quality Control

Our Disperse Red 179 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and strength assessment, to ensure it meets precise coloristic and physical specifications. Certificates of Analysis (COA) detailing purity, shade, and dispersion properties are provided to guarantee batch-to-batch consistency and performance reliability for your production.

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	Reddish-brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Dispersion Stability	Passes test
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%

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