Description

2,4-Dihydro-5-Methyl-2-(4-Methylphenyl)-3H-Pyrazol-3-One is a versatile heterocyclic organic compound belonging to the pyrazolone class, serving as a critical building block in advanced chemical synthesis. Its value lies in its unique molecular structure, which provides a reactive scaffold for creating more complex molecules with targeted properties. This intermediate is essential for research and development laboratories, pharmaceutical manufacturers, and agrochemical producers seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with analgesic, anti-inflammatory, or antipyretic properties.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators, leveraging its heterocyclic core.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing certain azo dyes and complex colorants for industrial applications.
• Chemical Research & Development: Serves as a fundamental building block in organic synthesis for creating new heterocyclic compounds and functional materials.
• Polymer Additives: Can be utilized in the development of specialty polymers, where it may function as a stabilizer or a modifying agent.

Basic Information

Product Name	2,4-Dihydro-5-Methyl-2-(4-Methylphenyl)-3H-Pyrazol-3-One
CAS No.	86-92-0
Molecular Formula	C11H12N2O
Molecular Weight	188.23 g/mol
Synonyms	5-Methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one; 5-Methyl-2-p-tolyl-2,4-dihydro-3H-pyrazol-3-one; 1,2-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one; 3-Methyl-1-p-tolyl-2-pyrazolin-5-one; Fenpyrazamine intermediate; Pyrazolone derivative
EINECS	201-710-7

Quality Control

Our 2,4-Dihydro-5-Methyl-2-(4-Methylphenyl)-3H-Pyrazol-3-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive applications like pharmaceutical synthesis. Certificates of Analysis (COA) documenting all critical parameters are provided and 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 controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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