Overview
2-Mercaptothiazoline is an organosulfur compound featuring a thiazoline ring with a reactive mercapto (-SH) group. Its molecular structure (C3H5NS2) makes it versatile for synthetic chemistry and industrial applications. The compound is commercially significant due to its role in pharmaceuticals, agrochemicals, and corrosion inhibition. First synthesized in the mid-20th century, 2-mercaptothiazoline gained prominence as a building block for heterocyclic compounds. Its sulfur atoms contribute to chelating properties, enhancing its utility in metal surface treatment and polymer stabilization.
Physical and Chemical Properties
As a crystalline solid, 2-mercaptothiazoline exhibits moderate solubility in polar solvents like water and ethanol. The mercapto group confers nucleophilic reactivity, enabling thiol-ene reactions and metal coordination. Its melting point (105-108°C) indicates stability under typical handling conditions. The compound’s sulfur content contributes to its odor and oxidative sensitivity, necessitating inert storage environments. Analytical methods like HPLC and NMR confirm purity, with commercial grades typically ≥98%. Thermal decomposition occurs above 200°C, releasing sulfur oxides.
Main Applications
In pharmaceuticals, 2-mercaptothiazoline serves as an intermediate for antibiotics and antivirals, leveraging its heterocyclic reactivity. Agrochemical formulations utilize it to synthesize fungicides and herbicides due to its bioactivity against pathogens. Industrial applications include corrosion inhibition in cooling systems, where it forms protective layers on metal surfaces. The compound also acts as a chain transfer agent in polymer production, controlling molecular weight in radical polymerization processes.
Safety and Storage
2-Mercaptothiazoline requires careful handling due to potential skin and respiratory irritation. PPE such as gloves and goggles is mandatory during use. Storage recommendations include airtight containers under nitrogen to prevent oxidation and moisture absorption. Spills should be neutralized with alkaline solutions and disposed of as hazardous waste. Regulatory compliance (e.g., OSHA, REACH) mandates SDS documentation for workplace safety. Stability tests indicate a shelf life of 2-3 years under optimal conditions.
B2B Procurement Guide
Bulk buyers should prioritize suppliers with ISO certification and batch-specific COAs (Certificates of Analysis). Key parameters to verify include purity (≥98%), residual solvents, and heavy metal content. Packaging options range from 25kg drums to custom quantities for large-scale industrial users. Market prices fluctuate based on sulfur feedstock costs, with discounts available for long-term contracts. Sample testing is advised to confirm compatibility with end-use processes. Logistics partners must ensure temperature-controlled transport for international shipments.
Related Manufacturers
- 主营：甲氨基、防老剂、共聚物、2349-67-9、82692-96-4、37052-78-1、2苯并异、4-三羧酸、6-氯烟酸、l-丙交酯、l-胱氨酸、二聚体、乙交酯、聚乳酸、三氨基、苯乙酮、磺丙基、丙烯酸、羟甲基、胡椒酸、羟乙基、防黄剂、氯甲基、二氨基、edta二钠
- 主营：四甲基氢氧化铵、双乙烯酮、环氧环己烷、巯基噻唑啉、甲基丙烯酸十八酯、异丙叉丙酮、三聚甲醛、双季戊四醇、均苯四甲酸二酐、十一烷、水杨羟肟酸、硫氢化钠