Description

Ethyl 1-(3-Chlorophenyl)-5-(4-Dimethylaminophenyl)Diazenyl-4-Methoxy-P Yrazole-3-Carboxylate is a specialized pyrazole derivative featuring a diazenyl linker, designed for advanced material science and fine chemical synthesis. This compound matters for its role as a key intermediate in the development of functional dyes, pigments, and high-performance organic electronic materials. Industrial researchers and manufacturers in the photographic chemicals, specialty dyes, and advanced organic semiconductor sectors require this high-purity building block for product innovation and process optimization.

Application

• Photographic Sensitizer Intermediate: A crucial precursor in the synthesis of specialized dyes and sensitizers for color photographic films and papers.
• Functional Dye & Pigment Synthesis: Serves as a core structure for developing azo dyes and pigments with specific light-absorption and color-fastness properties.
• Organic Electronic Materials: Used in research and development of organic light-emitting diodes (OLEDs) and other electronic components due to its conjugated molecular structure.
• Liquid Crystal Displays (LCDs): Potential application as an intermediate for dyes used in color filters for high-definition displays.
• Analytical Chemistry Reagent: Can be employed as a chromogenic reagent or a standard in analytical methods development.
• Research & Development: A valuable building block for academic and industrial R&D in novel heterocyclic compounds and their properties.

Basic Information

Item	Details
Product Name	Ethyl 1-(3-Chlorophenyl)-5-(4-Dimethylaminophenyl)Diazenyl-4-Methoxy-P Yrazole-3-Carboxylate
CAS No.	172701-49-4
Molecular Formula	C21H22ClN5O3
Molecular Weight	427.89 g/mol
Synonyms	Ethyl 1-(3-chlorophenyl)-5-[(4-dimethylaminophenyl)diazenyl]-4-methoxy-1H-pyrazole-3-carboxylate; 1H-Pyrazole-3-carboxylic acid, 1-(3-chlorophenyl)-5-[(4-(dimethylamino)phenyl)azo]-4-methoxy-, ethyl ester; Azo pyrazole derivative; Photographic dye intermediate; Disperse Yellow 232 (related class); C.I. 480200 (potential related index)
EINECS	Contact for details

Quality Control

Our production of Ethyl 1-(3-Chlorophenyl)-5-(4-Dimethylaminophenyl)Diazenyl-4-Methoxy-P Yrazole-3-Carboxylate adheres to strict in-process controls to ensure batch-to-batch consistency and high purity. The final product undergoes rigorous quality testing, including chromatographic purity analysis and identity confirmation, to meet exacting customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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