Description

Disperse Blue 20 is a high-performance anthraquinone-based disperse dye, identified by CAS No. 12222-74-1. It is valued for its excellent color fastness, brilliant blue shade, and robust performance under demanding dyeing conditions. This dye is essential for manufacturers requiring durable and vibrant coloration for synthetic textiles, particularly in the polyester and acetate fiber industries.

Application

• Polyester Fiber Dyeing: Primary application for coloring polyester fabrics and yarns, offering excellent wash and light fastness.
• Acetate and Triacetate Dyeing: Effective for dyeing cellulose acetate fibers, providing bright and level shades.
• Nylon Coloration: Used for dyeing polyamide fibers where a specific blue hue is required.
• Plastics Coloring: Employed as a colorant for certain thermoplastic polymers, including polystyrene and acrylics.
• Ink Formulation: Suitable for use in specialty inks for synthetic substrates.
• Automotive Textiles: Used in the coloration of polyester-based fabrics for automotive interiors due to its durability.

Basic Information

Product Name	Disperse Blue 20
CAS No.	12222-74-1
Molecular Formula	C₂₀H₁₃NO₄
Molecular Weight	331.32 g/mol
Synonyms	1,4-Bis(methylamino)anthraquinone; C.I. 60725; Disperse Blue B; Celliton Blue B; Artisil Blue B; Samaron Blue FBL; Foron Blue S-BGL; C.I. Disperse Blue 20; 1,4-Bis(methylamino)-9,10-anthracenedione
EINECS	235-428-6

Quality Control

Our Disperse Blue 20 is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise specifications for shade, strength, and dispersion stability, consistent with commercial dye standards. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment to guarantee traceability and compliance.

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.

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
Shade	Conforms to standard

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