Description

4,5-Dihydro-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt is a high-purity, water-soluble pyrazole derivative with significant commercial utility. This compound serves as a critical intermediate and functional additive in advanced manufacturing processes, valued for its specific chemical reactivity and ionic properties. It is primarily sought by industries involved in the synthesis of specialty dyes, pharmaceutical actives, and high-performance agrochemicals.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing azo dyes and other complex colorants, particularly for textiles and inks.
• Pharmaceutical Synthesis: Used as a versatile intermediate in the production of certain drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Formulations: Functions as a precursor or additive in the development of modern herbicides and pesticides.
• Chemical Research & Development: Employed in organic synthesis and as a standard in analytical laboratories for method development.
• Specialty Chemical Manufacturing: Utilized in the production of corrosion inhibitors, complexing agents, or other functional additives.
• Photographic Chemicals: May serve as a component in certain light-sensitive formulations and imaging technologies.

Basic Information

Item	Detail
Product Name	4,5-Dihydro-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt
CAS No.	83949-48-8
Molecular Formula	C12H9N2NaO6S
Molecular Weight	332.26 g/mol
Synonyms	1-(2-Methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid sodium salt; Sodium 1-(2-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate; 5-Oxo-1-(2-methyl-4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid sodium salt; Pyrazole-3-carboxylic acid, 4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-, sodium salt; 83949-48-8; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-1-(2-methyl-4-sulfophenyl)-5-oxo-, sodium salt (1:1)
EINECS	Contact for details

Quality Control

Our production of 4,5-Dihydro-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazole-3-Carboxylic Acid, Sodium Salt adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and reliable performance. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical characteristics are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

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 (as Pb)	< 20 ppm
Related Substances (HPLC)	Contact for details
pH (1% Solution)	Contact for details

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