Description

4-Phenyl-1,3-dioxa-2-thia(IV)cyclopentan-2-one is a specialized organosulfur heterocyclic compound, also known as a cyclic thiocarbonate derivative. This high-purity intermediate is valued for its unique chemical structure, which makes it a versatile building block for advanced synthesis. It is primarily sought by research and development laboratories, as well as production facilities in the pharmaceutical and agrochemical sectors, for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides, leveraging its heterocyclic core.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex sulfur-containing heterocycles.
• Ligand and Catalyst Development: Investigated for use in creating novel ligands for transition metal catalysis.

Basic Information

Product Name	4-Phenyl-1,3-dioxa-2-thia(IV)cyclopentan-2-one
CAS No.	4464-74-8
Molecular Formula	C9H8O3S
Molecular Weight	196.22 g/mol
Synonyms	4-Phenyl-1,3-dioxa-2-thiacyclopentan-2-one; 4-Phenyl-1,3,2-dioxathiolan-2-one; 1,3,2-Dioxathiolane-2-one, 4-phenyl-; Phenyl cyclic ethylene sulfite; Cyclic phenyl ethylene sulfite; 2-Oxo-4-phenyl-1,3,2-dioxathiolane; 4-Phenyl-2-oxo-1,3,2-dioxathiolane
EINECS	224-716-6

Quality Control

Our 4-Phenyl-1,3-dioxa-2-thia(IV)cyclopentan-2-one is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	78 - 82 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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