Description

1-Methylthio-2-Butyne is a specialized sulfur-containing alkyne building block with the CAS number 118891-26-2. This compound is valued for its unique reactivity profile, serving as a versatile intermediate in the synthesis of more complex molecules. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical sectors for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those requiring sulfur-containing heterocycles or alkyne functional groups for click chemistry.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the methylthio-alkyne moiety imparts specific biological activity.
• Material Science Research: Employed as a monomer or cross-linking agent in the development of specialty polymers and advanced materials with tailored properties.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for constructing complex natural products, ligands, and functionalized molecules via its reactive alkyne and thioether groups.
• Flavor & Fragrance Industry: Acts as a precursor for synthesizing specific sulfur-containing compounds that contribute to unique aroma profiles.

Basic Information

Product Name	1-Methylthio-2-Butyne
CAS No.	118891-26-2
Molecular Formula	C5H8S
Molecular Weight	100.18 g/mol
Synonyms	2-Butyne, 1-(methylthio)-; 1-Methylthio-2-butyne; 1-(Methylthio)-2-butyne; Methyl 2-butynyl sulfide; 2-Butynyl methyl sulfide; 1-Methylsulfanylbut-2-yne
EINECS	Contact for details

Quality Control

Our 1-Methylthio-2-Butyne is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee reliable performance in your synthetic applications.

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 heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.