Description

Disperse Red 183 is a high-performance, monoazo-based disperse dye renowned for its excellent color fastness and thermal stability. This product is essential for achieving vibrant and durable red shades on synthetic fibers, particularly in demanding high-temperature dyeing processes. It is a critical raw material for manufacturers in the textile and specialty polymer industries seeking consistent, high-quality coloration for polyester and its blends.

Application

• Textile Dyeing: Primary application for dyeing polyester (PET) fibers, yarns, and fabrics, especially via high-temperature (HT) and carrier dyeing methods.
• Plastics Coloring: Used as a colorant for mass coloration of thermoplastic polymers, including polystyrene, ABS, and certain polycarbonates, where heat resistance is required.
• Ink Formulation: Suitable for specialty inks, including those for transfer printing and synthetic fiber marking.
• Automotive Interiors: Employed in dyeing polyester-based automotive textiles, such as seat covers and headliners, due to its good light and sublimation fastness.
• Sportswear and Outdoor Fabrics: Ideal for performance polyester fabrics where wash and perspiration fastness are critical.
• Masterbatch Production: A key pigment for creating color concentrates (masterbatches) used in plastic and fiber manufacturing.

Basic Information

Product Name	Disperse Red 183
CAS No.	83764-36-7
Molecular Formula	C20H13N4O4Cl
Molecular Weight	408.79 g/mol
Synonyms	Disperse Red 183; C.I. Disperse Red 183; 1-Amino-2-phenoxy-4-hydroxyanthraquinone; 2-[(4-Chloro-2-nitrophenyl)azo]-N,N-bis(2-hydroxyethyl)-5-nitroaniline; Samaron Red HBSL; Foron Red S-BWFL; Dianix Red AC-E; Kayalon Polyester Red BL-SE; Terasil Red W-4BS
EINECS	Contact for details

Quality Control

Our Disperse Red 183 is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise specifications for shade, strength, and application performance. We provide comprehensive Certificates of Analysis (COA) that detail purity, impurity profiles, and key physical-chemical parameters, ensuring traceability and consistency for our global B2B clients.

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 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)
Shade	Within agreed tolerance
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes filter test
Particle Size	> 95% below 5μm

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