Description

4-[(2,4-Dinitrophenyl)Azo]-3-Methyl-1-Phenyl-1H-Pyrazol-5-Amine is a specialized azo dye intermediate and heterocyclic compound of significant commercial importance. Its unique molecular structure, featuring both azo and pyrazole functionalities, makes it a critical precursor for synthesizing high-performance pigments and dyes. This compound is essential for manufacturers in the colorant, specialty chemical, and advanced materials industries seeking to produce vivid, stable colors and functional chemical agents.

Application

• Dye and Pigment Synthesis: Primary use as a key intermediate for manufacturing high-value azo dyes and organic pigments, particularly for applications requiring yellow to orange hues.
• Textile Colorants: Used in the production of dyes for coloring synthetic and natural fibers, offering good light and wash fastness.
• Ink Formulations: Serves as a precursor for pigments used in printing inks, including packaging and security inks.
• Plastic and Polymer Coloring: Intermediate for pigments that provide coloration to plastics, resins, and masterbatches.
• Research & Development: Valuable building block in organic synthesis and materials science research for developing new functional molecules.
• Analytical Chemistry: Potential use as a chromogenic reagent or standard in specific analytical methods.

Basic Information

Product Name	4-[(2,4-Dinitrophenyl)Azo]-3-Methyl-1-Phenyl-1H-Pyrazol-5-Amine
CAS No.	67162-11-2
Molecular Formula	C16H13N7O4
Molecular Weight	367.32 g/mol
Synonyms	3-Methyl-1-phenyl-4-[(2,4-dinitrophenyl)azo]-1H-pyrazol-5-amine; 4-[(2,4-Dinitrophenyl)azo]-3-methyl-1-phenyl-1H-pyrazol-5-amine; 1H-Pyrazol-5-amine, 4-[(2,4-dinitrophenyl)azo]-3-methyl-1-phenyl-; C.I. Disperse Yellow 119; Disperse Yellow 119; Solvent Yellow 163; Azo Pyrazole Intermediate DNPA
EINECS	Contact for details

Quality Control

Our production of 4-[(2,4-Dinitrophenyl)Azo]-3-Methyl-1-Phenyl-1H-Pyrazol-5-Amine adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC for assay and purity, and IR for structural confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperature (15-25°C). Keep away from heat, sparks, and open flame. 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 brown powder or crystalline solid
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 (as Pb)	≤ 20 ppm

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