Description

Disperse Red 19 is a high-performance anthraquinone-based disperse dye known for its excellent color fastness and thermal stability. It is a critical component for creating vibrant, durable red shades in synthetic textiles, offering superior performance in demanding dyeing processes. This product is essential for manufacturers in the textile and polymer industries seeking reliable coloration for polyester, acetate, and nylon fibers.

Application

• Primary dyeing of polyester fibers and fabrics.
• Dyeing of cellulose acetate and triacetate fibers.
• Coloration of nylon and other synthetic fibers.
• Mass coloration of plastics and synthetic polymers.
• Transfer printing applications.
• Production of colored masterbatches for synthetic resins.

Basic Information

Product Name	Disperse Red 19
CAS No.	2734-52-3
Molecular Formula	C20H13NO4
Molecular Weight	331.32 g/mol
Synonyms	1-Amino-4-hydroxyanthraquinone; C.I. 11110; Disperse Red 19; 1-Amino-4-hydroxy-9,10-anthracenedione; 4-Hydroxy-1-aminoanthraquinone; 1-Amino-4-hydroxy-9,10-anthraquinone; C.I. Disperse Red 19; 9,10-Anthracenedione, 1-amino-4-hydroxy-
EINECS	220-352-8

Quality Control

Our Disperse Red 19 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and meets the high standards required for industrial dyeing applications. Every lot is tested for key parameters including color strength, shade, particle size distribution, and dispersion stability. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

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%
Particle Size	> 95% passes 80 mesh
Dispersion Stability	Stable in standard medium

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