Description

5-Hydroxy-4-[4-(2-Phenoxyethoxycarbonyl)Phenylazo]-1-Phenyl-1H-Pyrazole-3-Carboxylic Acid Propyl Ester is a specialized azo pyrazole derivative, a high-value chemical intermediate prized for its precise molecular architecture. This compound matters for its role in synthesizing advanced functional materials, particularly in the development of high-performance dyes and pigments. Industrial chemists and R&D teams in the colorant, specialty polymer, and advanced material sectors require this intermediate for creating products with specific optical and chemical properties.

Application

• Primary Intermediate for High-Performance Dyes & Pigments: Serves as a key building block in the synthesis of azo dyes and pigments, particularly for applications requiring high color strength, thermal stability, and lightfastness.
• Specialty Polymer Additives: Used in the development of functional monomers or additives for polymers where specific light-absorbing or chromophoric properties are desired.
• Liquid Crystal and OLED Material Research: Acts as a potential precursor or dopant in the research and development of organic electronic materials, including liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Non-Linear Optical (NLO) Materials: Investigated for use in the synthesis of materials with non-linear optical properties for applications in photonics and laser technology.
• Analytical Chemistry & Sensors: Can be utilized as a chromogenic reagent or a tagged compound in analytical methods and chemical sensor development due to its distinct color and reactive sites.
• Academic & Pharmaceutical Research: Employed in university and industrial R&D labs as a specialized intermediate for exploring new chemical entities and synthetic pathways, including potential pharmaceutical scaffolds.

Basic Information

Product Name	5-Hydroxy-4-[4-(2-Phenoxyethoxycarbonyl)Phenylazo]-1-Phenyl-1H-Pyrazole-3-Carboxylic Acid Propyl Ester
CAS No.	94850-76-7
Molecular Formula	C28H26N4O6
Molecular Weight	514.53 g/mol
Synonyms	5-Hydroxy-1-phenyl-4-[[4-[(2-phenoxyethoxy)carbonyl]phenyl]azo]-1H-pyrazole-3-carboxylic acid propyl ester; Propyl 5-hydroxy-1-phenyl-4-[[4-[(2-phenoxyethoxy)carbonyl]phenyl]azo]-1H-pyrazole-3-carboxylate; 1-Phenyl-5-hydroxy-4-[p-(2-phenoxyethoxycarbonyl)phenylazo]pyrazole-3-carboxylic acid propyl ester; Azo pyrazole ester derivative; CI Disperse Yellow 241 (related class); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. While typically supplied in technical or research grades, specifications can be tailored to meet specific project requirements. Certificates of Analysis (COA) detailing identity, purity (typically by HPLC), and related substance profiles are provided with each shipment to support your quality assurance processes.

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	Orange to red-brown crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical, higher grades available)
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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