Description

S-Phenyl Thiopropionate, 98 CAS NO 18245-72-2 is a high-purity organosulfur compound used as a versatile intermediate in advanced chemical synthesis. Its value lies in its role as a key building block for introducing the thiopropionate moiety into target molecules, enabling the development of novel materials and active ingredients. This product is essential for research and development chemists, process engineers, and manufacturers operating in the pharmaceutical, agrochemical, and specialty chemical sectors.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific sulfur-containing functional groups.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and fungicides where the thioester group is integral to biological activity.
• Polymer & Material Science: Acts as a monomer or modifying agent in the creation of specialty polymers, coatings, and materials with tailored properties.
• Flavor & Fragrance Industry: Employed as a building block for synthesizing complex sulfur-containing aroma compounds.
• Organic Synthesis & Research: A valuable reagent for academic and industrial R&D in constructing complex molecular architectures via esterification and coupling reactions.
• Lubricant & Fuel Additives: Investigated for use as a precursor in developing extreme-pressure additives and antioxidant components.

Basic Information

Product Name	S-Phenyl Thiopropionate, 98
CAS No.	18245-72-2
Molecular Formula	C9H10OS
Molecular Weight	166.24 g/mol
Synonyms	Phenyl Thiopropionate; Benzenethiol, S-propanoate; Propionic Acid, Phenyl Thioester; Thiopropionic Acid Phenyl Ester; Phenyl 3-Mercaptopropionate; 3-(Phenylthio)propanoic Acid; S-Phenyl 3-Mercaptopropanoate; Phenyl Propionate Thioester
EINECS	Contact for details

Quality Control

Our S-Phenyl Thiopropionate is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the specified 98% minimum purity grade and is free from critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your internal specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, oxidizing agents, and incompatible materials. The product is soluble in organic solvents; ensure containers are properly sealed to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Related Substances (HPLC)	Individual impurity ≤ 1.0% Total impurities ≤ 2.0%
Refractive Index	Contact for details
Density	Contact for details

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