Description

4-Ethoxystyrene is a versatile vinyl aromatic monomer characterized by its ethoxy functional group. This compound is valued for its role in polymerization and as a key intermediate in the synthesis of specialty polymers and fine chemicals. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, coatings, and advanced materials sectors for developing products with tailored properties.

Application

• As a functional monomer for the synthesis of specialty polymers and copolymers.
• As a key intermediate in organic synthesis and fine chemical production.
• In the development of advanced coating materials and resins.
• For research and development of novel polymeric materials with specific optical or mechanical properties.
• In the formulation of adhesives and sealants.
• As a building block for liquid crystal polymers and other high-performance materials.

Basic Information

Product Name	4-Ethoxystyrene
CAS No.	5459-40-5
Molecular Formula	C10H12O
Molecular Weight	148.20 g/mol
Synonyms	p-Ethoxystyrene; 1-Ethoxy-4-vinylbenzene; 4-Vinylphenetole; 4-Ethoxyvinylbenzene; Vinyl 4-ethoxyphenyl ether; Phenol, 4-ethenyl-, ethyl ether; 4-Ethoxy styrene
EINECS	226-714-1

Quality Control

Our 4-Ethoxystyrene is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting key specifications is provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is 2-8°C for extended stability. Keep container tightly sealed when not in use to prevent polymerization and maintain purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Inhibitor (MEHQ)	Typically 100-200 ppm

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