Description

Propanethiosulfonic Acid S-Propyl Ester is a specialized organosulfur compound with the CAS number 1113-13-9. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, offering unique reactivity for constructing sulfur-containing molecular frameworks. It is primarily sought after by research and development laboratories, agrochemical manufacturers, and pharmaceutical companies for the development of novel active ingredients and functional materials.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its sulfur moiety for biological activity.
• Pharmaceutical Research: Used as a building block in medicinal chemistry for creating potential drug candidates, especially those targeting enzymes or receptors where sulfur plays a critical role.
• Chemical Synthesis Reagent: Employed in organic laboratories for introducing the propanethiosulfonyl group or for acting as a sulfur-transfer agent in complex synthetic pathways.
• Material Science: Investigated for the development of specialty polymers, ligands for catalysis, or surface-modifying agents due to its specific chemical functionality.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing certain sulfur-containing aroma compounds, subject to purity and regulatory compliance.

Basic Information

Product Name	Propanethiosulfonic Acid S-Propyl Ester
CAS No.	1113-13-9
Molecular Formula	C6H14O2S2
Molecular Weight	182.30 g/mol
Synonyms	S-Propyl Propanethiosulfonate; Propyl Propanethiosulfonate; Propanethiosulfonic Acid Propyl Ester; 1-Propanethiosulfonic Acid S-Propyl Ester; Propane-1-thiosulfonic acid S-propyl ester; Thiosulfuric acid S-propyl ester O-propyl ester; Propanethiosulfonyl propyl ether
EINECS	214-200-7

Quality Control

Our Propanethiosulfonic Acid S-Propyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters such as assay, identity confirmation, and impurity profiles. Our quality systems are designed to support cGMP and ISO standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C (refrigerated) for long-term stability. Keep away from heat, sparks, and open flame. The container must be kept tightly sealed to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Specific Gravity (20°C)	1.10 - 1.20

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