Description

Disperse Blue 165 is a high-performance synthetic dye belonging to the anthraquinone class, widely recognized for its excellent color fastness and thermal stability. Its primary value lies in delivering vibrant, durable blue shades to synthetic fibers, making it a critical component for manufacturers requiring consistent and reliable coloration. This product is essential for industries involved in the dyeing and printing of polyester, acetate, and nylon textiles, as well as for specialty applications in plastics and inks. We supply Disperse Blue 165 CAS NO 41642-51-7 in commercial quantities with guaranteed quality and batch-to-batch consistency for global industrial users.

Application

• Textile Dyeing: Primary application for dyeing polyester (PET) and polyester-blend fabrics, providing excellent wash and light fastness.
• Textile Printing: Used in paste formulations for printing intricate patterns on synthetic fabrics.
• Acetate and Nylon Coloration: Effective for dyeing secondary synthetic fibers like acetate and nylon, often used in apparel and home furnishings.
• Plastics Coloring: Imparts color to engineering plastics and synthetic polymers during mass coloration (spin dyeing) processes.
• Ink Manufacturing: Serves as a colorant for specialty inks, including those for transfer printing.
• Research & Development: Used in laboratories for developing new dye formulations and color matching systems.

Basic Information

Product Name	Disperse Blue 165
CAS No.	41642-51-7
Molecular Formula	C20H17N3O5
Molecular Weight	379.37 g/mol
Synonyms	Disperse Blue 165; C.I. 11077; 1,4-Diamino-2,3-dihydroanthraquinone; 1,4-Bis(methylamino)anthraquinone; Samaron Blue FBL; Foron Blue S-BGL; Palanil Blue 3RT; Terasil Blue BG; Dianix Blue BG-FS; Kayalon Polyester Blue BL-SE
EINECS	255-476-6

Quality Control

Our Disperse Blue 165 is manufactured under a strict quality management system to ensure it meets the high standards required for industrial dyeing applications. Every batch is tested against 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 to guarantee traceability and compliance with your specifications.

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. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
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.