Description

2,4-Dihydro-5-Methyl-4-[(4-Methyl-2-Nitrophenyl)Azo]-2-Phenyl-3H-Pyrazol-3-One is a specialized azo pyrazolone derivative, a chemical class renowned for its chromophoric properties. This compound matters as a high-performance intermediate for producing vivid and stable organic pigments and dyes. Industries requiring durable colorants, such as inks, plastics, and coatings, rely on this chemical for its ability to impart specific hues with excellent performance characteristics.

Application

• Pigment Intermediate: Primary use as a key precursor in the synthesis of high-performance organic pigments, particularly yellows, oranges, and reds.
• Dye Manufacturing: Serves as a crucial building block for producing azo dyes used in various industrial coloring processes.
• Plastics and Polymer Coloring: Imparts color to engineering plastics, masterbatches, and synthetic fibers, offering good heat stability and dispersion.
• Ink Formulation: Used in the production of pigments for printing inks, including packaging and publication inks, ensuring color strength and lightfastness.
• Coatings and Paints: Employed in creating pigments for industrial and automotive coatings that require durability and weather resistance.
• Research & Development: Utilized in chemical research for developing new chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	2,4-Dihydro-5-Methyl-4-[(4-Methyl-2-Nitrophenyl)Azo]-2-Phenyl-3H-Pyrazol-3-One
CAS No.	6407-77-8
Molecular Formula	C18H15N5O3
Molecular Weight	349.34 g/mol
Synonyms	5-Methyl-2-phenyl-4-[(4-methyl-2-nitrophenyl)azo]-2,4-dihydro-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-; C.I. Pigment Yellow 60; Pigment Yellow 60; PY 60; Azo Pyrazolone Pigment Intermediate; 4-[(4-Methyl-2-nitrophenyl)azo]-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
EINECS	Contact for details

Quality Control

Our 2,4-Dihydro-5-Methyl-4-[(4-Methyl-2-Nitrophenyl)Azo]-2-Phenyl-3H-Pyrazol-3-One is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical identity. Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical characteristics 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Sparingly soluble in water; soluble in organic solvents

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