Description

Ethyl 4,5-Dihydro-4-[(2-Nitrophenyl)Azo]-5-Oxo-1-Phenyl-1H-Pyrazole-3-Carboxylate is a specialized azo pyrazole derivative, a high-value chemical intermediate prized for its distinct chromophoric structure. This compound matters for its role in synthesizing advanced colorants and functional materials, offering precise molecular control for demanding applications. It is primarily needed by manufacturers in the pigments and dyes, advanced material science, and pharmaceutical research sectors seeking to develop products with specific optical or chemical properties.

Application

• High-Performance Pigment Intermediate: A key precursor in the synthesis of complex organic pigments, particularly yellows, oranges, and reds, offering excellent thermal and chemical stability.
• Specialty Dye Manufacturing: Used in the production of dyes for plastics, inks, and coatings where specific color fastness and solubility are required.
• Functional Material Research: Serves as a building block in the development of non-linear optical (NLO) materials, liquid crystals, and other advanced organic electronic components.
• Analytical Chemistry Reagent: Employed as a chromogenic agent or a standard in chromatographic analysis and method development.
• Pharmaceutical Intermediate: Potential use in the research and synthesis of novel heterocyclic compounds with biological activity.

Basic Information

Product Name	Ethyl 4,5-Dihydro-4-[(2-Nitrophenyl)Azo]-5-Oxo-1-Phenyl-1H-Pyrazole-3-Carboxylate
CAS No.	68213-91-2
Molecular Formula	C18H15N5O5
Molecular Weight	381.34 g/mol
Synonyms	Ethyl 4-[(2-nitrophenyl)azo]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-4-[(2-nitrophenyl)azo]-5-oxo-1-phenyl-, ethyl ester; Ethyl 4-(2-nitrophenylazo)-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate; Azo pyrazole ester derivative; Pigment Yellow 176 intermediate (related)
EINECS	Contact for details

Quality Control

Our production of Ethyl 4,5-Dihydro-4-[(2-Nitrophenyl)Azo]-5-Oxo-1-Phenyl-1H-Pyrazole-3-Carboxylate adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Every lot is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, ensuring full traceability and compliance with your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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