Description

2-[2-(2-Chloro-1,1,2-Trifluoroethoxy)Phenyl]-5-[[4-(Hexadecylsulphonyl)Phenyl]Amino]-2,4-Dihydro-4-[[4-(2-Phenoxyethoxy)Phenyl]Azo]-3H-Pyrazol-3-One is a high-performance, complex organic dye intermediate. This compound matters for its role in synthesizing advanced colorants with specific functional properties, such as enhanced lightfastness and solubility. It is primarily needed by manufacturers in the specialty chemical, high-performance pigment, and advanced materials sectors for creating custom dyes and functional additives.

Application

• High-Performance Pigment Synthesis: A key intermediate for producing complex azo and pyrazolone-based pigments for industrial coatings and plastics.
• Specialty Dyes for Advanced Materials: Used in the development of dyes for liquid crystal displays (LCDs), optical filters, and other electronic applications.
• Functional Additives: Serves as a building block for creating additives that impart specific properties like UV absorption or conductivity to polymers.
• Research & Development: An essential compound for chemical R&D in novel chromophore and fluorophore discovery for sensing and imaging technologies.
• Textile Dye Intermediates: Used in the synthesis of specialized dyes for synthetic fibers requiring high color strength and durability.
• Inkjet Ink Formulations: A precursor for developing high-quality, stable colorants used in professional and industrial printing inks.

Basic Information

Item	Details
Product Name	2-[2-(2-Chloro-1,1,2-Trifluoroethoxy)Phenyl]-5-[[4-(Hexadecylsulphonyl)Phenyl]Amino]-2,4-Dihydro-4-[[4-(2-Phenoxyethoxy)Phenyl]Azo]-3H-Pyrazol-3-One
CAS No.	64485-21-8
Molecular Formula	C45H49ClF3N5O6S
Molecular Weight	888.41 g/mol
Synonyms	Pigment Yellow 185 (C.I. 56285); C.I. 56285; 2-[2-(2-Chloro-1,1,2-trifluoroethoxy)phenyl]-5-[[4-(hexadecylsulfonyl)phenyl]amino]-2,4-dihydro-4-[[4-(2-phenoxyethoxy)phenyl]azo]-3H-pyrazol-3-one; PY 185; 64485-21-8; Yellow 185; 3H-Pyrazol-3-one, 2-[2-(2-chloro-1,1,2-trifluoroethoxy)phenyl]-5-[[4-(hexadecylsulfonyl)phenyl]amino]-2,4-dihydro-4-[[4-(2-phenoxyethoxy)phenyl]azo]-
EINECS	Contact for details

Quality Control

Our production of 2-[2-(2-Chloro-1,1,2-Trifluoroethoxy)Phenyl]-5-[[4-(Hexadecylsulphonyl)Phenyl]Amino]-2,4-Dihydro-4-[[4-(2-Phenoxyethoxy)Phenyl]Azo]-3H-Pyrazol-3-One adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for demanding industrial applications. All materials undergo rigorous analytical testing, including HPLC for assay and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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