Description

Disperse Red 145 is a high-performance, monoazo-based disperse dye designed for synthetic fibers. This product matters for its excellent color fastness, bright red hue, and strong build-up properties, ensuring consistent and vibrant coloration in demanding textile applications. It is primarily needed by manufacturers in the polyester and acetate fiber dyeing and printing industries, where reliable shade reproduction and durability are critical.

Application

• Primary dyeing of polyester fibers and fabrics.
• Printing applications on polyester textiles.
• Dyeing of secondary acetate and triacetate fibers.
• Used in high-temperature (HT) and carrier dyeing processes.
• Suitable for exhaust and continuous dyeing methods.
• Production of colored polyester yarns for automotive and home furnishings.
• Blend dyeing, particularly for polyester/cellulose fiber mixes.

Basic Information

Product Name	Disperse Red 145
CAS No.	88650-97-9
Molecular Formula	C20H13N5O5
Molecular Weight	403.35 g/mol
Synonyms	Disperse Red 145; C.I. Disperse Red 145; 1-Amino-2-phenoxy-4-hydroxyanthraquinone; Disperse Red SE-4B; Samaron Red F3BS; Foron Red S-3GFL; Dianix Red AC-E; Palanil Red 3BLS; Terasil Red W-4B; Kayalon Polyester Red BL-SE
EINECS	Contact for details

Quality Control

Our Disperse Red 145 is manufactured under a strict quality management system. Every batch undergoes comprehensive testing for key parameters including shade, strength, dispersion stability, and particle size distribution to ensure consistent performance in your process. Certificates of Analysis (COA) detailing these specifications are available upon request.

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

Specification

Item	Specification
Appearance	Reddish-brown powder
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
Particle Size	> 95% below 2 microns

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