Description

Ethyl 4-[[3-(Aminocarbonyl)-4,5-Dihydro-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl]Azo]Benzoate is a specialized azo dye intermediate characterized by its pyrazolone and benzoate ester structure. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent color properties and stability. It is primarily required by manufacturers in the pigments, dyes, and specialty chemical industries for applications demanding precise color characteristics.

Application

• Key Intermediate for Azo Pigments: Serves as a crucial building block in the synthesis of high-performance yellow, orange, and red organic pigments.
• Dye Manufacturing: Used in the production of disperse dyes and other specialty dyes for textiles and plastics.
• Functional Colorants: Potential use in creating colorants for inks, coatings, and polymers where lightfastness and thermal stability are important.
• Research & Development: Employed in chemical research for developing new chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: May be used as a standard or reagent in chromatographic analysis and method development for similar compounds.

Basic Information

Item	Details
Product Name	Ethyl 4-[[3-(Aminocarbonyl)-4,5-Dihydro-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl]Azo]Benzoate
CAS No.	31768-46-4
Molecular Formula	C19H17N5O4
Molecular Weight	379.37 g/mol
Synonyms	Ethyl 4-[(3-Carbamoyl-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoate; Benzoic acid, 4-[(3-carbamoyl-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-, ethyl ester; 4-[(3-Carbamoyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)azo]benzoic acid ethyl ester; Azo pyrazolone dye intermediate; CI 12715 (related color index); Ethyl 4-[(3-carbamoyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl]benzoate
EINECS	Contact for details

Quality Control

Our production of Ethyl 4-[[3-(Aminocarbonyl)-4,5-Dihydro-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl]Azo]Benzoate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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 and sources of ignition. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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