Description

Disperse Yellow 49 is a synthetic organic dye belonging to the disperse dye class, widely recognized for its bright and stable yellow hue. This high-performance colorant is engineered for exceptional color fastness and dispersion stability, which are critical for achieving uniform and durable coloration on synthetic fibers. It is an essential raw material for manufacturers in the textile and plastics industries seeking reliable and vibrant yellow shades for their products.

Application

• Textile Dyeing: Primary application for dyeing hydrophobic fibers such as polyester (PET), acetate, and nylon, offering excellent wash and light fastness.
• Plastics Coloring: Used as a color masterbatch or pigment for coloring various polymers, including polycarbonate, polystyrene, and ABS.
• Ink Manufacturing: Suitable for formulating specialty inks for non-porous surfaces and synthetic materials.
• Automotive Interiors: Employed in coloring synthetic fabrics and plastic components within vehicle cabins.
• Sportswear and Outdoor Gear: Ideal for synthetic fabrics requiring vibrant, fade-resistant colors under UV exposure and frequent washing.
• Packaging Materials: Used to color synthetic films and rigid plastic packaging.

Basic Information

Product Name	Disperse Yellow 49
CAS No.	54824-37-2
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Yellow 49; C.I. Disperse Yellow 49; 2-[(4-Nitrophenyl)azo]-N-(2-hydroxyethyl)-1,3-benzoxazol-5-amine; 1,3-Benzoxazol-5-amine, 2-[(4-nitrophenyl)azo]-N-(2-hydroxyethyl)-; Disperse Yellow GL; Samaron Yellow HGL; Foron Yellow SE-2GL; Dianix Yellow HGL; Kayalon Polyester Yellow GL-SE; Terasil Yellow GWL
EINECS	259-356-8

Quality Control

Our Disperse Yellow 49 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Quality is verified through comprehensive testing, including purity assay, shade strength, dispersion stability, and fastness properties. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 98.0%
Shade Strength	100 ± 3%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes Test
Particle Size	≤ 5 μm (Typical)

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