Description

4,5-Dihydro-5-Oxo-4-[(m-Tolyl)Azo]-1H-Pyrazole-3-Carboxylic Acid is a specialized azo pyrazole carboxylic acid derivative, serving as a key synthetic intermediate and functional dye precursor. Its value lies in its unique molecular structure, which provides a versatile scaffold for the development of advanced materials and colorants. This compound is primarily needed by manufacturers in the pharmaceutical, agrochemical, and high-performance dye industries for research and production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with heterocyclic core structures.
• Agrochemical Synthesis: Serves as a key building block for developing new herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a crucial precursor for producing azo dyes and pigments, offering specific color properties and stability.
• Research & Development (R&D): Employed in academic and industrial R&D for exploring new chemical entities and material properties.
• Functional Material Production: Utilized in the creation of advanced materials, such as light-sensitive polymers or coordination complexes.
• Analytical Chemistry: May be used as a standard or reagent in chromatographic analysis and method development.

Basic Information

Product Name	4,5-Dihydro-5-Oxo-4-[(m-Tolyl)Azo]-1H-Pyrazole-3-Carboxylic Acid
CAS No.	66256-72-2
Molecular Formula	C11H10N4O3
Molecular Weight	246.23 g/mol
Synonyms	4,5-Dihydro-5-oxo-4-[(3-methylphenyl)azo]-1H-pyrazole-3-carboxylic acid; 4-(3-Methylphenyl)azo-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid; 3-Carboxy-4-(m-tolylazo)-5-pyrazolone; 4-(m-Tolylazo)-5-pyrazolone-3-carboxylic acid; 5-Oxo-4-(m-tolylazo)-4,5-dihydro-1H-pyrazole-3-carboxylic acid; Azo pyrazole carboxylic acid derivative; m-Tolyl azo pyrazolone carboxylic acid
EINECS	Contact for details

Quality Control

Our 4,5-Dihydro-5-Oxo-4-[(m-Tolyl)Azo]-1H-Pyrazole-3-Carboxylic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are available upon request to support your quality assurance and regulatory compliance needs.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
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.