Description

Ethynethiol, (4-Methylphenyl)- (9Ci) is a specialized organosulfur compound featuring a thiol group attached to an ethynyl-substituted tolyl ring. This unique structure makes it a valuable building block in advanced organic synthesis, particularly for introducing sulfur-containing functional groups. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, especially those requiring thioether or disulfide linkages.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the thiol moiety is integral to biological activity.
• Material Science Research: Employed in the synthesis of novel monomers for polymers, ligands for catalysis, and functional materials.
• Chemical Biology Probes: Acts as a precursor for creating probes and labeling reagents used in biochemical and proteomic studies.
• Catalyst Ligand Development: Utilized to develop new sulfur-containing ligands for transition metal catalysis.
• Fine Chemical Manufacturing: Incorporated into the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	Ethynethiol, (4-Methylphenyl)- (9Ci)
CAS No.	69046-99-7
Molecular Formula	C9H8S
Molecular Weight	148.22 g/mol
Synonyms	(4-Methylphenyl)ethynylthiol; p-Tolylethynylthiol; 1-Ethynyl-4-methylbenzenethiol; 4-Methylphenylethynyl mercaptan; 4-Ethynylthiophenol, 1-methyl-; (p-Tolylethynyl)thiol; 4-Methyl-α-ethynylbenzenemethanethiol
EINECS	Contact for details

Quality Control

Our Ethynethiol, (4-Methylphenyl)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and reliability for research and development applications. A Certificate of Analysis (COA) detailing specific results for purity, identity, and relevant impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, well-ventilated area. Due to its sensitivity to oxidation and light, minimize headspace and exposure to air during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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