Description

2,4-Dihydro-5-Methyl-4-[(4-Methyl-3-Nitrophenyl)Azo]-2-Phenyl-3H-Pyrazol-3-One is a high-purity azo pyrazolone derivative, a critical organic intermediate valued for its chromophoric properties. This compound is essential for manufacturers requiring precise and reliable chemical building blocks for advanced synthesis. It is primarily utilized in the production of specialized dyes, pigments, and functional materials for the chemical and research sectors.

Application

• Primary intermediate in the synthesis of high-performance azo dyes and pigments.
• Key precursor for creating specialty colorants used in inks, coatings, and plastics.
• Research and development of novel functional organic materials with specific light-absorption characteristics.
• Used in analytical chemistry as a chromogenic reagent or standard.
• Potential intermediate in the synthesis of pharmaceuticals and other fine chemicals.
• Component in the development of sensors and imaging agents.

Basic Information

Product Name	2,4-Dihydro-5-Methyl-4-[(4-Methyl-3-Nitrophenyl)Azo]-2-Phenyl-3H-Pyrazol-3-One
CAS No.	82944-34-1
Molecular Formula	C18H15N5O3
Molecular Weight	349.34 g/mol
Synonyms	5-Methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-2,4-dihydro-3H-pyrazol-3-one; 4-[(4-Methyl-3-nitrophenyl)azo]-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-; Azo pyrazolone derivative (CAS 82944-34-1); 4-(4-Methyl-3-nitro-phenylazo)-5-methyl-2-phenyl-2H-pyrazol-3-one; 5-Methyl-2-phenyl-4-(4-methyl-3-nitrophenylazo)-2,4-dihydro-pyrazol-3-one
EINECS	Contact for details

Quality Control

Our 2,4-Dihydro-5-Methyl-4-[(4-Methyl-3-Nitrophenyl)Azo]-2-Phenyl-3H-Pyrazol-3-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials and sources of ignition. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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