Description

(R)-Styrene Oxide is a high-value chiral epoxide widely used as a critical building block in asymmetric synthesis. Its enantiopure nature is essential for producing optically active pharmaceuticals and advanced materials with specific biological or physical properties. This compound is particularly sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing chiral intermediates, ligands, and polymers.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in cardiovascular and central nervous system drugs.
• Agrochemical Synthesis: Used in the production of enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Chiral Ligand & Catalyst Preparation: Serves as a precursor for synthesizing chiral ligands and catalysts used in asymmetric catalysis.
• Polymer & Material Science: Employed in the research and development of chiral polymers, liquid crystals, and advanced functional materials.
• Flavor & Fragrance Industry: Acts as an intermediate for creating specific chiral aroma chemicals.
• Organic Synthesis Research: A versatile reagent in academic and industrial R&D for nucleophilic ring-opening reactions and stereoselective transformations.

Basic Information

Product Name	(R)-Styrene Oxide
CAS No.	20780-53-4
Molecular Formula	C8H8O
Molecular Weight	120.15 g/mol
Synonyms	(R)-(+)-Styrene Oxide; (R)-1,2-Epoxyethylbenzene; (R)-Phenyloxirane; (R)-Phenylethylene Oxide; (R)-2-Phenyloxirane; (R)-Styryl Oxide; (R)-Epoxystyrene; (+)-(R)-Styrene Oxide
EINECS	244-081-3

Quality Control

Our (R)-Styrene Oxide is produced under strict quality management systems to ensure high enantiomeric excess (ee) and chemical purity, critical for sensitive asymmetric syntheses. Each batch is characterized by chiral HPLC, GC, and NMR to confirm identity, purity, and optical rotation. Certificates of Analysis (COA) with detailed specifications are provided to guarantee reproducible performance and supply reliability for your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent hydrolysis and maintain purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Optical Rotation [α]D20	+170° to +190° (c=1, CHCl3)
Water Content (KF)	≤ 0.5%

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