Description

Disperse Yellow 54 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its bright and stable yellow hue. It is valued for its excellent color fastness properties, including lightfastness and wash fastness, which are critical for demanding textile applications. This dye is primarily used by manufacturers in the synthetic fiber industry, particularly for coloring polyester and its blends, as well as in niche applications for plastics and specialty coatings.

Application

• Polyester Fiber Dyeing: The primary application for high-temperature dyeing of polyester yarns and fabrics, providing a vibrant yellow shade.
• Polyester/Cellulose Blends: Used in combination with other dye classes to color fabric blends, often in one-bath or two-bath dyeing processes.
• Plastics Coloring: Imparts a stable yellow color to various thermoplastic polymers during the molding or extrusion process.
• Acetate and Triacetate Fibers: Suitable for dyeing secondary cellulose acetate and triacetate materials.
• Transfer Printing: Employed in the manufacture of dyes for the transfer printing of synthetic fabrics.
• Specialty Coatings and Inks: Used in formulations requiring specific coloristic properties and solvent resistance.

Basic Information

Product Name	Disperse Yellow 54
CAS No.	12223-85-7
Molecular Formula	C18H14N4O4
Molecular Weight	350.33 g/mol
Synonyms	Disperse Yellow 54; C.I. Disperse Yellow 54; 1,5-Diphenyl-1H-pyrazole-3-carbonitrile; 1,5-Diphenyl-3-cyano-1H-pyrazole; Pyrazolone Yellow; Samaron Yellow HRL; Foron Yellow SE-4GL; Dianix Yellow HRL-FS; Kayalon Polyester Yellow HRL-S; Terasil Yellow 4G
EINECS	Contact for details

Quality Control

Our production of Disperse Yellow 54 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, dispersion stability, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Within agreed tolerance
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.