Description

C.I. Disperse Blue 185 is a high-performance anthraquinone-based disperse dye widely used in the textile industry. Its primary value lies in providing excellent color fastness, brilliant blue shades, and reliable performance in high-temperature dyeing processes. This product is essential for manufacturers of polyester, acetate, and other synthetic fibers seeking consistent, vibrant coloration. The compound is identified by CAS No. 61968-36-3.

Application

• Primary dyeing of polyester fibers and fabrics.
• Dyeing of cellulose acetate and triacetate fibers.
• Coloration of nylon and other synthetic textiles.
• Used in high-temperature, high-pressure (HTHP) dyeing processes.
• Applicable in continuous dyeing and printing operations.
• Formulation of dye mixtures and color matching for specific shades.
• Potential use in the coloration of plastics.

Basic Information

Product Name	C.I. Disperse Blue 185
CAS No.	61968-36-3
Molecular Formula	C20H17NO6
Molecular Weight	367.35 g/mol
Synonyms	Disperse Blue 185; Disperse Blue SE-2R; C.I. 11078; 1,4-Bis[(2-hydroxyethyl)amino]-9,10-anthracenedione; 1,4-Bis(2-hydroxyethylamino)anthraquinone; Samaron Blue FBL; Foron Blue SE-2R; Dianix Blue FBL-E
EINECS	Contact for details

Quality Control

Our C.I. Disperse Blue 185 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Each lot undergoes comprehensive testing, including strength, shade, dispersion stability, and fastness properties, to meet the demanding requirements of the textile industry. A Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with every 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). Due to its hygroscopic nature, protect from moisture and humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Dispersion Stability	Pass Test
Particle Size	> 95% passes 2μm
pH Value (Aqueous Dispersion)	5.0 - 7.0

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