Description

Disperse Red 125 is a high-performance, anthraquinone-based disperse dye renowned for its excellent color fastness and thermal stability. It is a critical component for achieving vibrant and durable red shades on synthetic fibers, particularly in demanding high-temperature dyeing processes. This product is essential for manufacturers in the textile and specialty plastics industries seeking reliable, consistent coloration for polyester, acetate, and nylon materials.

Application

• Primary dyeing of polyester fibers and fabrics.
• Dyeing of secondary cellulose acetate and triacetate fibers.
• Coloration of nylon and other synthetic fibers.
• Mass coloration (dope dyeing) of plastics and synthetic polymers.
• Production of color filters and other optical materials.
• Ink formulation for specialized printing applications.
• As a colorant in research and development of new polymeric materials.

Basic Information

Product Name	Disperse Red 125
CAS No.	12236-20-3
Molecular Formula	C20H13NO4
Molecular Weight	331.32 g/mol
Synonyms	1-Amino-4-hydroxy-2-phenoxy-9,10-anthracenedione; C.I. Disperse Red 125; Disperse Red SE-2B; Samaron Red FBL; Foron Red SE-2B; Palanil Red BF; Dianix Red AC-E; 9,10-Anthracenedione, 1-amino-4-hydroxy-2-phenoxy-
EINECS	235-428-3

Quality Control

Our Disperse Red 125 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against stringent in-house specifications for color strength, shade, dispersion stability, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance tests is provided with every shipment.

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; prolonged exposure to direct light should be avoided to prevent shade alteration.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. 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.