Description

o-Chloro-±-Methylstyrene Oxide is a versatile and reactive chlorinated epoxide intermediate used in advanced organic synthesis. Its value lies in its bifunctional structure, which allows it to serve as a key building block for creating more complex molecules with specific properties. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries who require high-purity intermediates for fine chemical production.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a chlorinated styrenic backbone.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where the epoxide ring offers a reactive site for further functionalization.
• Specialty Polymer & Resin Modifier: Acts as a cross-linking agent or a monomer for producing epoxy resins and polymers with enhanced thermal stability and chemical resistance.
• Fine Chemical Production: Serves as a versatile building block for synthesizing dyes, fragrances, and other high-value specialty chemicals.
• Material Science Research: Employed in R&D for developing new polymeric materials and coatings with tailored properties.

Basic Information

Product Name	o-Chloro-±-Methylstyrene Oxide
CAS No.	42432-43-9
Molecular Formula	C9H9ClO
Molecular Weight	168.62 g/mol
Synonyms	2-Chloro-α-methylstyrene oxide; (±)-2-Chloro-α-methylstyrene oxide; 1-Chloro-2-(1-methyloxiran-2-yl)benzene; o-Chloro-α-methylstyrene oxide; 2-(2-Chlorophenyl)propylene oxide; 2-Chloro-1-methyl-1,2-epoxyethylbenzene; (RS)-2-Chloro-α-methylstyrene oxide
EINECS	Contact for details

Quality Control

Every batch of o-Chloro-±-Methylstyrene Oxide is manufactured and tested under a strict quality management system to ensure consistency and reliability for your processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring the material meets the stringent requirements for use as a fine chemical intermediate.

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 strong acids, bases, and oxidizing agents. Due to its reactive epoxide moiety, it is recommended to store under an inert atmosphere for long-term stability and to minimize moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%

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