Description

C.I. Disperse Blue 139 is a high-performance anthraquinone-based disperse dye essential for creating vibrant and durable blue shades on synthetic fibers. Its primary value lies in its excellent sublimation fastness, wash fastness, and color yield, ensuring consistent quality in demanding textile applications. This dye is a critical component for manufacturers of polyester, acetate, and nylon fabrics, particularly in the production of sportswear, automotive textiles, and home furnishings where color consistency and durability are paramount.

Application

• Dyeing of polyester fibers and fabrics for apparel and sportswear.
• Coloration of polyester-cotton and other synthetic fiber blends.
• Printing of polyester textiles, including transfer printing applications.
• Dyeing of acetate and triacetate fibers for linings and specialty fabrics.
• Coloration of nylon fibers for automotive textiles and upholstery.
• Used in the production of masterbatch for mass coloration of synthetic polymers.
• Applicable for dyeing polyester microfibers used in high-performance garments.

Basic Information

Product Name	C.I. Disperse Blue 139
CAS No.	50922-60-6
Molecular Formula	C20H17NO6
Molecular Weight	367.35 g/mol
Synonyms	Disperse Blue 139; 1,4-Diamino-2,3-diphenoxyanthraquinone; 1,4-Bis(methylamino)anthraquinone (derivative); C.I. 110077; Disperse Navy Blue S-2GL; Samaron Navy Blue HFRL; Foron Navy S-2GL; Terasil Navy Blue S-2GL; Dianix Navy Blue N-BG
EINECS	Contact for details

Quality Control

Our production of C.I. Disperse Blue 139 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, particle size distribution, and dispersion stability. Certificates of Analysis (COA) documenting purity, physical properties, and application fastness are provided with each shipment to support your quality assurance 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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain its coloristic properties.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes Filter Test
Particle Size	> 95% ≤ 2 µm

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