Description

m-[4-(2-Cyanoethyl)-4,5-Dihydro-5-Oxo-3-[4-[(1-Oxooctadecyl)Amino]Phenyl]-1H-Pyrazol-1-Yl]Benzenesulphonic Acid CAS NO 94944-75-9 is a specialized organic intermediate featuring a complex molecular architecture combining pyrazolone, benzenesulfonic acid, and a long-chain fatty amide moiety. This compound matters as a high-value building block for the synthesis of advanced functional materials, offering unique properties derived from its amphiphilic structure and reactive sites. Industrial researchers and chemical manufacturers in the dyes and pigments, specialty polymers, and advanced material science sectors require this precise chemical for developing novel products with enhanced performance characteristics.

Application

This multifunctional intermediate is designed for advanced chemical synthesis and material development. Key application areas include:

• Dye and Pigment Intermediate: Serves as a key precursor for synthesizing high-performance, water-soluble azo dyes and pigments, particularly for textiles and inks.
• Specialty Polymer Additive: Used to incorporate sulfonic acid groups and long alkyl chains into polymers, modifying properties like solubility, hydrophilicity, and ionic character.
• Surface-Active Agent Synthesis: Acts as a building block for creating novel surfactants or emulsifiers with specific hydrophobic-lipophilic balance (HLB) values.
• Liquid Crystal and OLED Material Research: Employed in the development of organic electronic materials due to its conjugated system and potential for charge transport.
• Pharmaceutical Intermediate: May be utilized in the research and development of active pharmaceutical ingredients (APIs), leveraging its pyrazolone core.
• Chemical Sensor Development: Its structure makes it a candidate for creating selective chemosensors or indicators.
• Catalyst Ligand Framework: Can be used to develop complexing agents or ligands for metal catalysts in organic synthesis.
• Corrosion Inhibitor Formulation: Potential use in creating organic corrosion inhibitors for industrial applications.

Basic Information

Item	Details
Product Name	m-[4-(2-Cyanoethyl)-4,5-Dihydro-5-Oxo-3-[4-[(1-Oxooctadecyl)Amino]Phenyl]-1H-Pyrazol-1-Yl]Benzenesulphonic Acid
CAS No.	94944-75-9
Molecular Formula	C36H48N4O5S
Molecular Weight	648.86 g/mol
Synonyms	3-[4-(2-Cyanoethyl)-4,5-dihydro-5-oxo-3-[4-(stearoylamino)phenyl]-1H-pyrazol-1-yl]benzenesulfonic acid; 4-(2-Cyanoethyl)-4,5-dihydro-5-oxo-3-[4-(octadecanoylamino)phenyl]-1-(3-sulfophenyl)-1H-pyrazole; m-[4-(2-Cyanoethyl)-4,5-dihydro-5-oxo-3-[4-(stearamido)phenyl]-1H-pyrazol-1-yl]benzenesulfonic acid; Stearic acid amide pyrazolone sulfonic acid derivative; Pyrazolone-based sulfonic acid surfactant intermediate; CAS 94944-75-9 (Registry identifier)
EINECS	Contact for details

Quality Control

Our production of m-[4-(2-Cyanoethyl)-4,5-Dihydro-5-Oxo-3-[4-[(1-Oxooctadecyl)Amino]Phenyl]-1H-Pyrazol-1-Yl]Benzenesulphonic Acid adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates, and we can discuss compliance with specific customer or industry standards upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to exclude moisture. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%

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