Description

4-[(2-Ethoxyphenyl)Azo]-2,4-Dihydro-5-Methyl-2-Phenyl-3H-Pyrazol-3-One is a high-purity azo pyrazolone derivative, valued for its role as a key synthetic intermediate and colorant precursor. This compound is essential for industries requiring precise chemical building blocks for the development of specialized dyes, pigments, and functional organic materials. It is primarily utilized by manufacturers in the fine chemicals, dye and pigment, and advanced material research sectors.

Application

• Dye and Pigment Intermediate: A critical precursor in the synthesis of high-performance azo dyes and organic pigments.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex organic molecules in pharmaceutical and agrochemical research.
• Functional Material Research: Used in the development of novel materials, including liquid crystals and photochromic compounds.
• Analytical Chemistry: May be employed as a reagent or standard in chromatographic analysis and method development.
• Academic and R&D Laboratories: A valuable compound for chemical research, teaching, and process development studies.

Basic Information

Product Name	4-[(2-Ethoxyphenyl)Azo]-2,4-Dihydro-5-Methyl-2-Phenyl-3H-Pyrazol-3-One
CAS No.	67969-66-8
Molecular Formula	C18H18N4O2
Molecular Weight	322.36 g/mol
Synonyms	5-Methyl-2-phenyl-4-[(2-ethoxyphenyl)azo]-2,4-dihydro-3H-pyrazol-3-one; 4-[(2-Ethoxyphenyl)azo]-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one; 2,4-Dihydro-5-methyl-2-phenyl-4-[(2-ethoxyphenyl)azo]-3H-pyrazol-3-one; Azo pyrazolone derivative; 2-Ethoxyphenyl azo pyrazolone; Ethyl Orange Pyrazolone Analog; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 4-[(2-Ethoxyphenyl)Azo]-2,4-Dihydro-5-Methyl-2-Phenyl-3H-Pyrazol-3-One adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. All products undergo rigorous quality testing, including identity confirmation and purity analysis. Certificates of Analysis (COA) documenting key specifications 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, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, minimize exposure during handling and transfer.

Specification

Item	Specification
Appearance	Orange to red powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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