Description

3-Methyl-4-(3-Methyl-5-Oxo-2-Pyrazolin-1-Yl)Benzenesulfonic Acid Sodium Salt is a high-purity, functionalized pyrazolone derivative that serves as a critical intermediate in advanced organic synthesis. This compound is valued for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients and specialty dyes. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for its precise reactivity and structural features.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides due to its heterocyclic structure.
• Dye & Pigment Manufacturing: Serves as a precursor for creating specialized azo dyes and colorants with enhanced properties.
• Chemical Research: Employed in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies.
• Ligand & Chelating Agent Precursor: Its structure makes it suitable for developing ligands used in catalysis and metal complexation.
• Polymer Modification: Can be used to introduce functional sulfonate groups into polymer chains to alter solubility or ionic characteristics.

Basic Information

Product Name	3-Methyl-4-(3-Methyl-5-Oxo-2-Pyrazolin-1-Yl)Benzenesulfonic Acid Sodium Salt
CAS No.	63589-05-9
Molecular Formula	C11H11N2O4SNa
Molecular Weight	290.27 g/mol
Synonyms	Sodium 3-Methyl-4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonate; 1-(4-Sulfo-2-methylphenyl)-3-methyl-5-pyrazolone Sodium Salt; 3-Methyl-4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonate Sodium; Benzenesulfonic acid, 3-methyl-4-(3-methyl-5-oxo-2-pyrazolin-1-yl)-, sodium salt; Sodium 3-methyl-4-(3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonate; Pyrazolone Sulfonate Sodium Salt; 63589-05-9 (CAS Index Name)
EINECS	Contact for details

Quality Control

Our 3-Methyl-4-(3-Methyl-5-Oxo-2-Pyrazolin-1-Yl)Benzenesulfonic Acid Sodium Salt is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation or clumping. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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