Description

Benzenesulfonic Acid, 4-[4-[[4-(Dimethylamino) Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-, Sodium Salt is a high-purity, synthetic organic compound with the CAS number 63044-60-0. This specialized chemical is valued for its role as a key intermediate in the synthesis of advanced dyes, pigments, and functional materials. It is essential for manufacturers and R&D facilities in the fine chemical, specialty dye, and advanced material sectors seeking consistent quality and reliable supply for complex synthesis.

Application

• Dye and Pigment Intermediate: A critical precursor in the synthesis of high-performance azo dyes and complex organic pigments.
• Functional Material Synthesis: Used in the production of specialty polymers and advanced materials requiring specific chromophoric or electronic properties.
• Research & Development: Serves as a building block in pharmaceutical and agrochemical research for novel compound libraries.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic and spectroscopic analysis.
• Photographic Industry: Potential application in the formulation of light-sensitive chemicals and color couplers.
• Textile Chemical Auxiliary: Can be utilized in the development of specialized textile treatment agents.

Basic Information

Product Name	Benzenesulfonic Acid, 4-[4-[[4-(Dimethylamino) Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-, Sodium Salt
CAS No.	63044-60-0
Molecular Formula	C19H20N3NaO4S
Molecular Weight	409.44 g/mol
Synonyms	4-[4-[(4-Dimethylaminophenyl)methylene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt; Sodium 4-[4-[(4-dimethylaminophenyl)methylene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]benzenesulfonate; 1-(4-Sulfophenyl)-3-methyl-4-[(4-dimethylamino)benzylidene]-2-pyrazolin-5-one sodium salt; Pyrazolone derivative sodium salt; Azo dye intermediate 63044-60-0
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonic Acid, 4-[4-[[4-(Dimethylamino) Phenyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-, Sodium Salt adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Every lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We are committed to quality systems that support GMP and ISO standards where applicable, ensuring reliability for your critical synthesis processes.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed immediately after use to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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