Description

Monochloroacetylene CAS NO 593-63-5 is a highly reactive, gaseous organochlorine compound characterized by its triple bond. This unique structure makes it a valuable and versatile building block in advanced organic synthesis, particularly for introducing the chloroacetylene moiety into complex molecules. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials industries for creating novel intermediates and active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the construction of complex heterocycles and bioactive molecules in drug discovery and development.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require specific chloroacetylene functional groups.
• Material Science Research: Acts as a precursor in the development of novel polymers, dendrimers, and carbon-based nanomaterials.
• Organic Synthesis Reagent: Employed in cycloaddition reactions, such as [2+2] cycloadditions, and as a dienophile in Diels-Alder reactions to form chlorinated aromatic systems.
• Chemical Vapor Deposition (CVD): Investigated as a potential gaseous precursor for depositing carbon-chlorine thin films or nanostructured materials.
• Academic & Industrial R&D: A critical reagent for methodological studies in acetylene chemistry and for exploring new reaction pathways.

Basic Information

Product Name	Monochloroacetylene
CAS No.	593-63-5
Molecular Formula	C2HCl
Molecular Weight	60.48 g/mol
Synonyms	Chloroacetylene; Chloroethyne; Ethyne, chloro-; 1-Chloroethyne; Acetylene, chloro-; Monochloroethyne; Chloroacetylene (gas)
EINECS	209-799-7

Quality Control

Our Monochloroacetylene is produced and handled under stringent conditions to ensure batch-to-batch consistency and high purity for research and synthesis applications. While typically supplied as a gas mixture or in solution for safe handling, quality is verified through advanced analytical techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Due to its highly volatile and gaseous nature, Monochloroacetylene requires specialized handling and is typically supplied in sealed gas cylinders or as stabilized solutions. Preserve in a tightly closed container, protected from light and heat sources. Cylinders must be stored upright in a well-ventilated, cool, dry area, away from oxidizers, open flames, and ignition sources. Always use appropriate pressure-regulating equipment and follow all relevant safety data sheet (SDS) instructions.

Specification

Item	Specification
Appearance (Gas)	Colorless
Appearance (Solution)	Colorless to pale yellow
Identification (GC/MS, IR)	Conforms
Purity (GC)	≥ 95% (Typical, varies by grade)
Major Impurities (GC)	Specified on COA
Stabilizer Content (if applicable)	As specified

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