Description

Disperse Blue 148 is a high-performance, anthraquinone-based disperse dye renowned for its excellent color fastness and thermal stability. This product is essential for achieving deep, vibrant blue shades with superior wash and sublimation resistance in synthetic textiles. It is primarily used by manufacturers in the polyester and acetate fiber industries for dyeing and printing applications, ensuring consistent and reliable coloration in demanding production environments.

Application

• Primary dyeing of polyester fibers and fabrics.
• Printing applications on polyester and acetate textiles.
• Dyeing of polyester-cotton and other synthetic blend fabrics.
• Coloration of automotive textiles requiring high light and wash fastness.
• Used in the production of sportswear and outdoor apparel for durable color.
• Industrial applications for coloring plastic materials, such as certain grades of polystyrene.

Basic Information

Product Name	Disperse Blue 148
CAS No.	61968-29-4
Molecular Formula	C20H13BrN4O4
Molecular Weight	453.25 g/mol
Synonyms	Disperse Blue 148; C.I. 63315; 1,4-Bis[(2,6-dichloro-4-nitrophenyl)amino]anthraquinone; 1,4-Bis(methylamino)anthraquinone (brominated derivative); Samaron Blue FBL; Foron Blue S-BGL; Dianix Blue AC-E; Kayalon Polyester Blue BL-SE; Terasil Blue 3R
EINECS	Contact for details

Quality Control

Our Disperse Blue 148 is manufactured under a strict quality management system to ensure batch-to-batch consistency and meets the high standards required for industrial dyeing. Every lot is tested for key parameters including color strength, shade, dispersion stability, and fastness properties. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with each 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 (store away from light).

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Shade	Within agreed tolerance
Moisture Content	≤ 5.0%
Dispersion Stability	Passes test
Particle Size	> 95% passes 300 mesh
Fastness to Washing (Polyester)	4-5 (ISO 105-C06)
Fastness to Sublimation (180°C)	4-5 (ISO 105-P01)

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