Description

1-(5-Amino-2-Methyl-3-Sulphophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylic Acid is a high-purity, specialized organic intermediate of significant commercial importance. This compound serves as a critical building block in the synthesis of advanced colorants and functional materials, valued for its precise molecular structure and reactivity. It is primarily required by manufacturers in the dye and pigment, pharmaceutical, and fine chemical industries for research and production-scale applications.

Application

• Key Intermediate for Azo Dyes and Pigments: Serves as a crucial precursor in the synthesis of high-performance, light-fast azo colorants for textiles, inks, and plastics.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Fine Chemical Synthesis: Employed as a building block for creating complex organic molecules in specialty chemical manufacturing.
• Research & Development: Utilized in academic and industrial R&D labs for exploring new chemical entities and material properties.
• Functional Material Production: Potential applications in the development of advanced materials with specific optical or electronic properties.

Basic Information

Item	Details
Product Name	1-(5-Amino-2-Methyl-3-Sulphophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylic Acid
CAS No.	70862-30-5
Molecular Formula	C12H11N3O6S
Molecular Weight	325.30 g/mol
Synonyms	5-Amino-2-methyl-3-sulphophenyl pyrazolone carboxylic acid; 1-(5-Amino-2-methyl-3-sulfophenyl)-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid; 1-(5-Amino-2-methyl-3-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid; 3-Carboxy-1-(5-amino-2-methyl-3-sulfophenyl)-5-pyrazolone; 70862-30-5; Pyrazolone derivative intermediate; Azo dye intermediate CAS 70862-30-5
EINECS	Contact for details

Quality Control

Our production of 1-(5-Amino-2-Methyl-3-Sulphophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity, consistency, and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee supply chain transparency and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to brownish 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)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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