Description

3-Chloro-1-Propanethiol is a versatile organosulfur building block featuring both a reactive thiol group and a chloroalkyl chain. This bifunctional nature makes it a critical intermediate for synthesizing a wide range of advanced materials and fine chemicals. It is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to introduce sulfur-containing moieties or create specialized linkers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs), especially those containing thioether or sulfone functional groups.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the thiol group acts as a reactive handle.
• Polymer Modification & Cross-linking Agent: Serves as a monomer or cross-linker in the synthesis of specialty polymers, resins, and rubber additives to impart specific chemical resistance or mechanical properties.
• Ligand & Chelating Agent Precursor: Employed in the preparation of sulfur-based ligands for catalysis and metal complexation in industrial processes.
• Chemical Research & Development: A valuable reagent for organic synthesis, enabling nucleophilic substitution and thiol-ene "click" chemistry reactions.
• Surface Functionalization: Used to modify material surfaces (e.g., gold nanoparticles, polymers) by forming self-assembled monolayers (SAMs) via the thiol group.

Basic Information

Product Name	3-Chloro-1-Propanethiol
CAS No.	17481-19-5
Molecular Formula	C3H7ClS
Molecular Weight	110.60 g/mol
Synonyms	3-Chloropropane-1-thiol; 3-Chloropropyl mercaptan; 1-Chloro-3-mercaptopropane; 3-Chloro-1-mercaptopropane; 3-Chloropropanethiol; (3-Chloropropyl)thiol; NSC 9375; γ-Chloropropyl mercaptan
EINECS	241-488-5

Quality Control

Our 3-Chloro-1-Propanethiol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to minimize oxidation and degradation. Keep away from strong oxidizers, bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Impurities (GC)	≤ 2.0% total

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