Description

5-Hydroxy-3-Methyl-4-(Phenylazo)Pyrazole is a specialized heterocyclic azo compound, serving as a key intermediate in the synthesis of high-performance dyes and pigments. Its precise molecular structure provides excellent color fastness and thermal stability, making it a valuable building block for demanding applications. This product is essential for manufacturers in the dyestuff, specialty chemical, and advanced material research sectors seeking reliable, high-purity intermediates.

Application

• Dye & Pigment Intermediate: Primary use as a precursor for synthesizing azo dyes and organic pigments, particularly for applications requiring yellow to orange hues.
• Specialty Chemical Synthesis: Serves as a versatile building block in the production of complex heterocyclic compounds for research and development.
• Material Science Research: Investigated for potential use in the development of novel photochromic or nonlinear optical materials.
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic analysis and method development.
• Fine Chemical Manufacturing: Employed in the multi-step synthesis of target molecules for pharmaceutical and agrochemical research.

Basic Information

Item	Detail
Product Name	5-Hydroxy-3-Methyl-4-(Phenylazo)Pyrazole
CAS No.	13572-24-2
Molecular Formula	C10H10N4O
Molecular Weight	202.22 g/mol
Synonyms	4-(Phenylazo)-3-methyl-1H-pyrazol-5-ol; 3-Methyl-4-phenylazo-1H-pyrazol-5-ol; 5-Hydroxy-3-methyl-4-(phenylazo)-1H-pyrazole; 1H-Pyrazol-5-ol, 4-(phenylazo)-3-methyl-; Azo pyrazole derivative; Phenylazopyrazolone; Light-sensitive pyrazole azo compound
EINECS	Contact for details

Quality Control

Our production of 5-Hydroxy-3-Methyl-4-(Phenylazo)Pyrazole adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced techniques including HPLC and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and impurity profiles is provided with each shipment and is available upon request.

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, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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