Description

Disperse Yellow 198 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant yellow hue. It is engineered to deliver excellent color fastness, thermal stability, and dispersion properties, which are critical for consistent and durable coloration. This product is essential for manufacturers in the textile and polymer industries seeking reliable and efficient dyeing solutions for synthetic fibers.

Application

• Primary dyeing and printing of polyester (PET) fibers and fabrics.
• Coloration of polyamide (nylon) textiles.
• Used in the mass coloration of plastics and synthetic resins, including acetate and acrylics.
• Application in the transfer printing process for synthetic materials.
• Suitable for high-temperature dyeing processes due to its excellent sublimation fastness.
• Potential use in specialty inks for non-textile substrates.

Basic Information

Product Name	Disperse Yellow 198
CAS No.	63439-92-9
Molecular Formula	C18H14ClN5O4
Molecular Weight	399.79 g/mol
Synonyms	Disperse Yellow 198; C.I. Disperse Yellow 198; 2-[(4-Amino-2,5-dichlorophenyl)azo]-N-(2-cyanoethyl)-3-oxobutanamide; 1-Amino-4-[2-(2-cyanoethylcarbamoyl)-3-oxobutylazo]-2,5-dichlorobenzene; Disperse Yellow SE-4G; Samaron Yellow H-4GL; Foron Yellow SE-4G; Dianix Yellow CC
EINECS	Contact for details

Quality Control

Our Disperse Yellow 198 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including purity assay, shade strength, dispersion stability, and fastness properties. A Certificate of Analysis (COA) documenting 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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

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.