Description

Disperse Orange 149 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant orange hue. Its primary value lies in its excellent sublimation fastness and wash fastness, making it a critical component for achieving durable and consistent coloration on synthetic fibers. This product is essential for manufacturers in the textile industry, particularly for dyeing and printing polyester, acetate, and nylon fabrics. Its reliable performance under high-temperature dyeing processes makes it a staple for producing sportswear, automotive textiles, and home furnishings.

Application

• Primary dyeing of polyester fibers and fabrics.
• Printing applications on polyester and polyester-blend textiles.
• Coloration of acetate and triacetate fibers for apparel.
• Dyeing of nylon fibers for carpets and upholstery.
• Used in the production of high-visibility and sportswear fabrics.
• Applicable for automotive interior textiles requiring color fastness.
• Potential use in the mass coloration of synthetic polymers.

Basic Information

Product Name	Disperse Orange 149
CAS No.	151126-94-2
Molecular Formula	C18H14ClN5O4
Molecular Weight	399.79 g/mol
Synonyms	Disperse Orange 149; C.I. Disperse Orange 149; Disperse Orange S-4RL; Disperse Orange SE-4RL; 2-[(4-((2-Chloro-4-nitrophenyl)azo)-N-(2-cyanoethyl)anilino]ethyl Acetate; Acetate, 2-[(4-((2-chloro-4-nitrophenyl)azo)-N-(2-cyanoethyl)anilino]ethyl; 1,3-Benzenedicarbonitrile, 4-[[2-chloro-4-nitrophenyl)azo]-N-(2-cyanoethyl)aniline
EINECS	Contact for details

Quality Control

Our Disperse Orange 149 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, shade, and application performance. We provide Certificates of Analysis (COA) with key parameters including purity, ash content, and particle size distribution, ensuring consistency and reliability for industrial-scale textile production.

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	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Ash Content	≤ 1.0%
Moisture Content	≤ 5.0%
Particle Size	>95% passes 80 mesh
Dispersion Stability	Grade 4-5 (ISO 105-Z02)
pH (Aqueous Dispersion)	5.0 - 7.0

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