Description

4-[(2-Bromophenyl)Diazenyl]-5-Methyl-2-Phenyl-2,4-Dihydro-3H-Pyrazol-3-One is a specialized azo pyrazolone derivative, valued for its role as a key synthetic intermediate and chromophore. This compound matters for its ability to impart specific functional properties in advanced material synthesis and research applications. It is primarily needed by R&D chemists and manufacturers in the pharmaceutical, agrochemical, and high-performance dye industries seeking to develop novel compounds with tailored characteristics.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs) and potential drug candidates.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators requiring specific heterocyclic frameworks.
• Functional Dye & Pigment Synthesis: Acts as a precursor for creating specialized azo dyes and pigments with unique color properties and stability for technical applications.
• Material Science Research: Employed in the development of organic semiconductors, photoresponsive materials, and other advanced organic electronic components.
• Chemical Biology Probe: Utilized as a scaffold or tagging agent in biochemical research and assay development due to its distinct molecular structure.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic synthesis, particularly in heterocyclic and azo chemistry.

Basic Information

Product Name	4-[(2-Bromophenyl)Diazenyl]-5-Methyl-2-Phenyl-2,4-Dihydro-3H-Pyrazol-3-One
CAS No.	25779-60-6
Molecular Formula	C₁₆H₁₃BrN₄O
Molecular Weight	357.21 g/mol
Synonyms	5-Methyl-2-phenyl-4-[(2-bromophenyl)diazenyl]-2,4-dihydro-3H-pyrazol-3-one; 4-(2-Bromobenzeneazo)-5-methyl-2-phenyl-3-pyrazolone; 3-Pyrazolone, 4-[(2-bromophenyl)azo]-5-methyl-2-phenyl-; 4-(2-Bromophenylazo)-5-methyl-2-phenylpyrazol-3-one; Azo pyrazolone derivative (2-bromo); 2,4-Dihydro-5-methyl-2-phenyl-4-[(2-bromophenyl)diazenyl]-3H-pyrazol-3-one
EINECS	Contact for details

Quality Control

Our 4-[(2-Bromophenyl)Diazenyl]-5-Methyl-2-Phenyl-2,4-Dihydro-3H-Pyrazol-3-One is produced under a strict quality management system. Every 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 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. Due to its light-sensitive nature, handling should minimize prolonged exposure to light.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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