Description

β-Ethylstyrene Oxide is a versatile epoxide intermediate of significant importance in advanced organic synthesis. Its reactive oxirane ring makes it a valuable building block for creating more complex molecules with tailored properties. This compound is particularly relevant for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modification: Acts as a reactive monomer or cross-linking agent to introduce epoxy functionality into polymers, enhancing adhesion, chemical resistance, or toughness.
• Flavor & Fragrance Industry: Employed in the synthesis of complex aroma chemicals and odorants.
• Organic Synthesis Building Block: Utilized in ring-opening reactions, nucleophilic additions, and other transformations to create alcohols, glycols, and amino alcohols.
• Surface Active Agent Production: A starting material for synthesizing certain types of surfactants and emulsifiers.
• Epoxy Resin Curing Agents: Used in the formulation of specialized epoxy curing agents and hardeners.
• Research & Development: A valuable reagent for academic and industrial research in medicinal chemistry and material science.

Basic Information

Product Name	β-Ethylstyrene Oxide
CAS No.	69140-51-8
Molecular Formula	C10H12O
Molecular Weight	148.20 g/mol
Synonyms	2-Ethylstyrene Oxide; 1,2-Epoxy-2-ethylphenylethane; (2-Ethylphenyl)oxirane; α-Ethylstyrene Oxide; β-Ethylstyrene epoxide; 2-Ethylphenyloxirane; 1-Ethyl-2-(oxiran-2-yl)benzene; 2-Ethylstyrene 7,8-oxide
EINECS	Contact for details

Quality Control

Our β-Ethylstyrene Oxide is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research clients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.520 - 1.530
Density (20°C)	1.01 - 1.05 g/mL

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