Description

Disperse Yellow 229 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its excellent color fastness and dispersion properties. This product is engineered to deliver vibrant and consistent yellow hues, making it a critical component for achieving demanding color specifications in synthetic textiles. It is primarily utilized by manufacturers in the textile and polymer industries who require reliable and wash-fast coloration for hydrophobic fibers. The compound is supplied as a fine powder, ensuring optimal solubility and dispersion in various dyeing processes.

Application

• Polyester Fiber Dyeing: Primary application for coloring polyester fabrics and yarns, offering excellent wash and light fastness.
• Acetate and Triacetate Dyeing: Used for dyeing cellulose acetate fibers, providing bright and level shades.
• Nylon Coloration: Suitable for dyeing polyamide (nylon) textiles, often used in apparel and automotive interiors.
• Plastics and Masterbatch Coloring: Incorporated into polymer melts for mass coloration of plastics like polystyrene and polycarbonate.
• Ink Formulation: Used in the production of specialty inks for synthetic substrates.
• Transfer Printing: A key component in dyes for the transfer printing of synthetic fabrics.

Basic Information

Product Name	Disperse Yellow 229
CAS No.	136959-03-0
Molecular Formula	C20H17N5O6S
Molecular Weight	455.44 g/mol
Synonyms	Disperse Yellow 229; C.I. Disperse Yellow 229; 2-[[4-[(2,6-Dichloro-4-nitrophenyl)azo]phenyl]ethylamino]ethanol; 1-(2-Hydroxyethylamino)-2-[(4-nitrophenyl)azo]-4-nitrobenzene; Disperse Fast Yellow G; Samaron Yellow HRSL; Foron Yellow SE-4GL; Dianix Yellow HRSF; Kayalon Polyester Yellow HRSF
EINECS	Contact for details

Quality Control

Our Disperse Yellow 229 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, dispersion stability, and impurity profile to meet the high standards of the textile industry. Certificates of Analysis (COA) detailing purity, physical properties, and performance characteristics are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a temperature between 15-25°C. Keep away from heat sources and incompatible materials. The container must be kept tightly sealed to protect the product from moisture and contamination.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes Test
Particle Size	> 95% passes 80 mesh

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