Description

Disperse Yellow 184:1 is a high-performance, solvent dye belonging to the disperse dye class, identified by CAS NO 164578-37-4. It is valued for its excellent color strength, thermal stability, and compatibility with various hydrophobic polymers, making it a critical component for achieving vibrant and durable yellow coloration. This product is essential for manufacturers in the plastics, synthetic fibers, and specialty coatings industries who require consistent, high-quality pigments for their formulations.

Application

• Primary coloration of polyester (PET) and nylon fibers and fabrics.
• Mass pigmentation of engineering plastics such as ABS, polystyrene, and polycarbonate.
• Manufacturing of colored masterbatches and concentrates for polymer processing.
• Coloration of automotive interior plastics and synthetic leather.
• Ink formulations for specialty printing applications.
• Dyeing of acetate and other synthetic textiles.

Basic Information

Product Name	Disperse Yellow 184:1
CAS No.	164578-37-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Disperse Yellow 184:1; C.I. Disperse Yellow 184:1; Solvent Yellow 184:1; Yellow 184:1; 2-[(4-Methyl-2-nitrophenyl)azo]-N-(2-phenylethyl)-3-oxobutanamide; 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-propanoic acid, 2-(4-methyl-2-nitrophenyl)azo]-, ethyl ester; Akrosperse Yellow 184:1; Foron Yellow 184:1
EINECS	Contact for details

Quality Control

Our Disperse Yellow 184:1 is manufactured under a strict quality management system. Every batch undergoes rigorous testing for critical parameters including color strength, shade, particle size distribution, and thermal stability to ensure consistent performance in your application. Certificates of Analysis (COA) documenting 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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Shade	Within agreed tolerance
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size (D50)	≤ 2.0 μm

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