Description

2-Butenoic Acid 4-[(4-Ethoxyphenyl)Azo]Phenyl Ester is a specialized azo dye intermediate known for its distinct chromophoric properties. This compound is valued for its role in synthesizing high-performance colorants with specific light absorption and stability characteristics. It is primarily utilized by manufacturers in the pigments, dyes, and specialty chemical industries seeking to develop custom color formulations.

Application

• Key intermediate in the synthesis of azo pigments and dyes for industrial applications.
• Used in the production of colorants for plastics and polymer masterbatches.
• Potential precursor for liquid crystal displays (LCD) and other electronic materials requiring specific optical properties.
• Research and development of novel non-linear optical (NLO) materials.
• Specialty applications in inks and coatings where specific color fastness is required.
• Laboratory use as a chemical reference standard for analytical method development.

Basic Information

Product Name	2-Butenoic Acid 4-[(4-Ethoxyphenyl)Azo]Phenyl Ester
CAS No.	49759-21-9
Molecular Formula	C19H18N2O3
Molecular Weight	322.36 g/mol
Synonyms	4-[(4-Ethoxyphenyl)azo]phenyl 2-butenoate; 2-Butenoic acid, 4-[(4-ethoxyphenyl)azo]phenyl ester; Phenyl 4-[(4-ethoxyphenyl)azo]phenyl crotonate; (E)-4-((4-Ethoxyphenyl)diazenyl)phenyl but-2-enoate; Azo dye intermediate 49759-21-9; 4-(4-Ethoxy-phenylazo)-phenyl crotonate
EINECS	Contact for details

Quality Control

Our production of 2-Butenoic Acid 4-[(4-Ethoxyphenyl)Azo]Phenyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC and spectroscopic methods, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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 such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

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.