Description

Disodium 1-(4-Amino-2-Sulphonatophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylate is a high-purity, water-soluble pyrazole derivative with significant commercial value as a key chemical intermediate. Its functionalized structure makes it a versatile building block for synthesizing more complex molecules, particularly in the colorant and pharmaceutical sectors. This compound is essential for manufacturers and R&D facilities specializing in the production of advanced dyes, pigments, and active pharmaceutical ingredients (APIs).

Application

• Dye and Pigment Intermediate: A critical precursor in the synthesis of high-performance azo dyes and pigments, especially for textile and ink applications.
• Pharmaceutical Synthesis: Serves as a key building block for the development of novel pharmaceutical compounds and active ingredients.
• Chemical Research & Development: Used in academic and industrial R&D for exploring new heterocyclic compounds and their properties.
• Specialty Chemical Manufacturing: Employed in the production of other specialty chemicals requiring a functionalized pyrazole core.
• Analytical Reagent: Can be utilized as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	Disodium 1-(4-Amino-2-Sulphonatophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylate
CAS No.	94159-56-5
Molecular Formula	C10H7N3Na2O7S
Molecular Weight	359.22 g/mol
Synonyms	Disodium 1-(4-Amino-2-sulfophenyl)-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylate; 1-(4-Amino-2-sulfophenyl)-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid disodium salt; 4,5-Dihydro-5-oxo-1-(4-amino-2-sulfophenyl)-1H-pyrazole-3-carboxylic acid disodium salt; Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-amino-2-sulfophenyl)-, disodium salt; CAS 94159-56-5
EINECS	Contact for details

Quality Control

Our Disodium 1-(4-Amino-2-Sulphonatophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

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 material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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