Description

Disperse Red 128 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its excellent color fastness and thermal stability. This compound is essential for achieving vibrant, durable red shades on hydrophobic synthetic fibers, particularly polyester and its blends. It is a critical raw material for textile dyeing and printing operations, as well as for manufacturers of specialty inks and colorants for plastics, serving industries that demand consistent, high-quality coloration.

Application

• Textile Dyeing: Primary application for dyeing polyester (PET) fibers, yarns, and fabrics to achieve a bright red hue with good wash and light fastness.
• Textile Printing: Used in paste formulations for printing intricate patterns and designs on polyester and acetate fabrics.
• Plastics Coloring: Suitable for mass coloration of engineering plastics and synthetic fibers during polymer spinning, where heat stability is paramount.
• Ink Manufacturing: A key pigment for producing specialty inks used in transfer printing and other industrial marking applications.
• Automotive Interiors: Used to color polyester-based textiles and components within vehicle cabins due to its durability.
• Sportswear and Outdoor Gear: Ideal for synthetic performance fabrics that require color retention through repeated washing and UV exposure.

Basic Information

Product Name	Disperse Red 128
CAS No.	12236-22-5
Molecular Formula	C20H13N3O5
Molecular Weight	375.34 g/mol
Synonyms	Disperse Red 128; C.I. 11120; 1-Amino-2-phenoxy-4-hydroxyanthraquinone; 1-Amino-4-hydroxy-2-phenoxyanthraquinone; Samaron Red F3BL; Foron Red S-3BL; Dianix Red F3B; Kayalon Polyester Red F3BL; Artisil Red F3BL; Palanil Red F3B
EINECS	Contact for details

Quality Control

Our Disperse Red 128 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Quality is verified through comprehensive testing, including spectrophotometric analysis for color strength and shade, HPLC for purity and impurity profiling, and assessments of dispersion stability and particle size distribution. A Certificate of Analysis (COA) detailing specific test results 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, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. Under these conditions, the product remains stable for extended periods.

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%
Dispersion Stability	Passes 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.