Description

2-Methyl-3-Phenylthiirane is a sulfur-containing heterocyclic compound featuring a three-membered thiirane (episulfide) ring. This specialized organosulfur building block is valued for its unique reactivity, serving as a key intermediate in the synthesis of complex molecules and advanced materials. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries for applications requiring the introduction of sulfur functionalities or ring-opening reactions.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting sulfur-dependent biological pathways.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and insecticides where the thiirane moiety contributes to biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and high-performance materials with modified thermal or chemical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for ring-opening reactions, nucleophilic attacks, and as a precursor to various thiols and sulfides.
• Ligand & Catalyst Development: Useful in the preparation of sulfur-containing ligands for metal complexes and catalysts used in asymmetric synthesis.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing sulfur-containing aroma compounds, though specific applications require regulatory evaluation.

Basic Information

Product Name	2-Methyl-3-Phenylthiirane
CAS No.	67921-36-2
Molecular Formula	C9H10S
Molecular Weight	150.24 g/mol
Synonyms	2-Methyl-3-phenylthiirane; 2-Methyl-3-phenyloxirane (common misnomer); Phenylmethylthiirane; 2-Phenyl-1-thiiranemethane; Thiirane, 2-methyl-3-phenyl-; Episulfide, 2-methyl-3-phenyl-; 2-Methyl-3-phenyl-episulfide; α-Methylstyrene sulfide
EINECS	Contact for details

Quality Control

Our 2-Methyl-3-Phenylthiirane is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided, detailing specifications such as assay (by GC or HPLC), identity confirmation (by IR/FTIR), and impurity profiles. We are committed to meeting the stringent requirements of research and industrial-scale applications.

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). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 94.0%
Water Content (KF)	≤ 0.5%

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