Description

1,3,4,4-Tetramethyl-1H-Pyrazole-5(4H)-One is a specialized heterocyclic organic compound that serves as a versatile building block in advanced chemical synthesis. Its unique tetramethyl-substituted pyrazolone structure makes it a valuable intermediate for creating complex molecules with tailored properties. This high-purity intermediate is essential for research and development chemists and manufacturers in the pharmaceutical and agrochemical sectors seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its heterocyclic core contributes to biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for electron-transport materials or host materials in emissive layers due to its rigid molecular structure.
• Coordination Chemistry & Ligand Synthesis: Serves as a precursor for creating polydentate ligands used in catalysis and metal-organic frameworks (MOFs).
• Polymer Modification: Employed to introduce functional pyrazolone groups into polymer chains, altering thermal stability or solubility properties.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized heterocyclic dyes and colorants.
• Research & Development: A crucial compound for academic and industrial R&D exploring new reactions and properties of nitrogen-containing heterocycles.

Basic Information

Product Name	1,3,4,4-Tetramethyl-1H-Pyrazole-5(4H)-One
CAS No.	3201-25-0
Molecular Formula	C7H12N2O
Molecular Weight	140.18 g/mol
Synonyms	1,3,4,4-Tetramethyl-4,5-dihydro-1H-pyrazol-5-one; 1,3,4,4-Tetramethyl-2-pyrazolin-5-one; 1,3,4,4-Tetramethyl-4,5-dihydropyrazol-5-one; 1,3,4,4-Tetramethyl-δ²-pyrazolin-5-one; 5(4H)-Pyrazolone, 1,3,4,4-tetramethyl-; Tetramethylpyrazolone; TMPO
EINECS	221-730-7

Quality Control

Our 1,3,4,4-Tetramethyl-1H-Pyrazole-5(4H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing batch-specific results are available upon request, providing full traceability and quality assurance for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

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

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