Description

n-Propyl Chlorothioformate is a specialized organosulfur reagent primarily used as a key building block in organic synthesis. Its value lies in its role as a versatile intermediate for introducing the propylthioformate moiety, enabling the synthesis of more complex molecules. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A critical reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing thioester and thiocarbamate derivatives.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where specific sulfur-containing functional groups are required for bioactivity.
• Polymer Chemistry: Serves as a monomer or chain-transfer agent in the development of specialty polymers with unique properties.
• Chemical Research: Employed in academic and industrial R&D labs for method development and the creation of novel sulfur-based compounds.
• Ligand and Catalyst Preparation: Useful for modifying ligands or synthesizing precursors for metal-complex catalysts.
• Flavor and Fragrance Industry: Potential intermediate in the synthesis of certain sulfur-containing aroma chemicals.

Basic Information

Product Name	n-Propyl Chlorothioformate
CAS No.	13889-92-4
Molecular Formula	C4H7ClOS
Molecular Weight	138.61 g/mol
Synonyms	Propyl Chlorothioformate; Chlorothioformic Acid Propyl Ester; n-Propyl Chlorothiolformate; Propyl Chloromethanethioate; Propyl Chlorosulfanylmethanoate; NSC 9375; Chlorocarbonothioic Acid O-Propyl Ester
EINECS	237-656-4

Quality Control

Our n-Propyl Chlorothioformate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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