Description

Sodium 5-Oxo-1-(4-Sulfophenyl)-4H-Pyrazole-3-Carboxylate is a high-purity, water-soluble pyrazole derivative salt. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis, valued for its unique sulfonated aromatic structure. It is primarily sought by manufacturers in the pharmaceutical, dye, and specialty chemical industries for research and production processes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with heterocyclic cores.
• Dye and Pigment Manufacturing: Acts as a precursor for the production of sulfonated azo dyes and other colorants, enhancing water solubility and color fastness.
• Chemical Research & Development: Used as a versatile reagent in organic synthesis for constructing complex pyrazole-based molecules.
• Specialty Surfactants: Potential component in the formulation of anionic surfactants due to its sulfonate group.
• Analytical Chemistry: May serve as a standard or reagent in chromatographic and spectroscopic methods.
• Ligand Synthesis: Useful for creating chelating agents or ligands in coordination chemistry and catalysis.

Basic Information

Product Name	Sodium 5-Oxo-1-(4-Sulfophenyl)-4H-Pyrazole-3-Carboxylate
CAS No.	52126-51-9
Molecular Formula	C10H7N2NaO6S
Molecular Weight	306.23 g/mol
Synonyms	5-Oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylic acid sodium salt; 1-(4-Sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid sodium salt; Sodium 1-(4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate; Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, sodium salt; SPCC sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 5-Oxo-1-(4-Sulfophenyl)-4H-Pyrazole-3-Carboxylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided with each shipment to guarantee compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals	< 20 ppm
Related Substances (HPLC)	Total impurities < 2.0%
Solubility (Water)	Freely soluble

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