Description

5-Amino-2,4-Dihydro-4-(Phenylazo)-3H-Pyrazol-3-One is a specialized heterocyclic azo compound, valued for its role as a versatile chemical intermediate and chromophore. Its molecular structure makes it a key building block in the synthesis of complex dyes, pigments, and functional organic materials. This product is essential for manufacturers in the dyestuff, pharmaceutical, and advanced material research sectors seeking high-purity intermediates for specialized synthesis.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing azo dyes and pigments used in textiles, inks, and coatings.
• Pharmaceutical Research: Serves as a building block in the development of novel heterocyclic compounds with potential biological activity.
• Chemical Synthesis: Used as a specialized reagent in organic synthesis for constructing complex pyrazolone-based molecular frameworks.
• Analytical Chemistry: Can be employed as a chromogenic agent or a standard in analytical method development.
• Material Science: Investigated for use in the development of organic semiconductors or photoactive materials.
• Research & Development: A valuable compound for academic and industrial R&D in fine chemistry and applied organic synthesis.

Basic Information

Product Name	5-Amino-2,4-Dihydro-4-(Phenylazo)-3H-Pyrazol-3-One
CAS No.	19197-14-9
Molecular Formula	C9H9N5O
Molecular Weight	203.20 g/mol
Synonyms	4-(Phenylazo)-5-amino-2,4-dihydro-3H-pyrazol-3-one; 5-Amino-4-(phenylazo)-2,4-dihydro-3H-pyrazol-3-one; 4-(Phenylhydrazono)-5-amino-2,4-dihydro-3H-pyrazol-3-one; 5-Amino-4-phenylazopyrazol-3-one; 19197-14-9; Azo pyrazolone derivative
EINECS	Contact for details

Quality Control

Every batch of our 5-Amino-2,4-Dihydro-4-(Phenylazo)-3H-Pyrazol-3-One is produced under a strict quality management system. We provide comprehensive analytical documentation to ensure traceability and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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