Description

Disperse Blue 149 is a high-performance synthetic dye belonging to the anthraquinone class of disperse dyes. It is valued for its excellent color fastness properties, including superior lightfastness and wash fastness, making it a critical component for achieving durable and vibrant coloration. This dye is primarily used by manufacturers in the textile industry for dyeing and printing synthetic fibers such as polyester and its blends.

Application

• Primary dyeing of polyester fibers and yarns.
• Printing applications on polyester fabrics for apparel and home textiles.
• Dyeing of polyester-cotton and polyester-wool blended fabrics.
• Coloration of polyester-based automotive textiles and upholstery.
• Used in the production of high-visibility and outdoor fabrics requiring excellent lightfastness.
• Potential use in dyeing certain types of plastics, such as acetate and nylon, depending on formulation.

Basic Information

Product Name	Disperse Blue 149
CAS No.	61968-30-7
Molecular Formula	C20H13BrN4O5
Molecular Weight	469.25 g/mol
Synonyms	1-Amino-4-(3-bromo-4-methylphenyl)amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid; C.I. Disperse Blue 149; Disperse Navy Blue S-2GL; Dianix Navy Blue S-2G; Foron Navy S-2GL; Samaron Navy HFRL; Terasil Navy S-2G; Kayalon Polyester Navy Blue S-2G
EINECS	Contact for details

Quality Control

Our Disperse Blue 149 is manufactured under a stringent quality management system. Every batch undergoes comprehensive testing to ensure it meets precise specifications for shade, strength, and dispersion stability. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment to guarantee consistency and reliability for your production processes.

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; prolonged exposure to direct light should be avoided to maintain color integrity.

Specification

Item	Specification
Appearance	Dark blue powder or granules
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 filter test
pH of Aqueous Dispersion	6.0 - 8.0

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