Description

4-Ethylstyrene is a high-purity aromatic monomer characterized by its vinyl and ethyl substituents on a benzene ring. This compound is a critical building block in polymer chemistry, enabling the synthesis of specialized copolymers with tailored thermal and mechanical properties. It is essential for R&D chemists and production engineers in the advanced materials, specialty adhesives, and performance resin sectors seeking to modify polymer backbones for enhanced characteristics.

Application

• Specialty Polymer Synthesis: Serves as a key monomer for producing styrenic copolymers with modified glass transition temperatures and improved solubility.
• Advanced Material Research: Used in R&D to develop novel polymeric materials for electronics, coatings, and composite matrices.
• Adhesive & Sealant Formulations: Incorporated to adjust the flexibility, adhesion, and curing profiles of high-performance industrial adhesives.
• Chemical Intermediate: Acts as a precursor in organic synthesis for pharmaceuticals, agrochemicals, and fine chemicals.
• Crosslinking Agent: Utilized in the production of crosslinked polymers and resins to enhance thermal stability and chemical resistance.

Basic Information

Product Name	4-Ethylstyrene
CAS No.	3454-07-7
Molecular Formula	C10H12
Molecular Weight	132.20 g/mol
Synonyms	p-Ethylstyrene; 1-Ethyl-4-vinylbenzene; 4-Vinylethylbenzene; (4-Ethylphenyl)ethylene; NSC 60545; 4-Ethenylethylbenzene; p-Vinylethylbenzene
EINECS	222-388-1

Quality Control

Our 4-Ethylstyrene is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-25°C. The product is light-sensitive and should be kept in its original amber container or equivalent light-resistant packaging.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	Typically 10-100 ppm

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