Overview
Thiomorpholine is a six-membered heterocyclic compound containing both nitrogen and sulfur atoms. It is structurally similar to morpholine but with sulfur replacing the oxygen atom. This modification imparts distinct chemical properties, making it valuable in specialized applications. Primarily used as an intermediate in organic synthesis, thiomorpholine serves as a building block for pharmaceuticals and agrochemicals. Its versatility stems from its ability to act as a ligand or participate in ring-opening reactions.
Physical and Chemical Properties
Thiomorpholine is a volatile liquid with a characteristic amine-like odor. Its sulfur content contributes to greater nucleophilicity compared to morpholine, enhancing reactivity in alkylation and acylation reactions. The compound exhibits basic properties (pKa ~9) due to the nitrogen lone pair. It forms stable salts with acids and complexes with metal ions. Thermal stability is moderate, with decomposition occurring above 200°C under normal conditions.
Main Applications
In pharmaceuticals, thiomorpholine derivatives appear in various drug molecules, particularly those targeting the central nervous system. The sulfur moiety often improves metabolic stability or membrane permeability. Industrial applications include use as corrosion inhibitors in cooling systems, where the sulfur atom provides excellent metal surface adsorption. The agrochemical industry employs it in pesticide formulations, especially for systemic insecticides and fungicides.
Safety and Storage
Thiomorpholine requires careful handling due to its irritant properties and flammability (flash point 62°C). Always use chemical-resistant gloves and eye protection when working with this compound. Storage should be in tightly sealed containers under nitrogen atmosphere to prevent oxidation. Incompatible with strong oxidizers and acids - separate storage is mandatory. Small spills should be absorbed with inert material and disposed as hazardous waste.
B2B Procurement Guide
When sourcing thiomorpholine, prioritize suppliers with GMP or ISO certification for consistent quality. Technical grade (98%+) suffices for most industrial applications, while pharmaceutical use requires higher purity (99.5%+). Bulk shipments (200kg drums or IBCs) typically offer 15-20% cost savings versus small packaging. Verify analytical certificates for each batch, paying attention to water content and impurity profiles. Consider regional suppliers to minimize transportation risks for this regulated chemical.
Related Manufacturers
- 主营：聚乙烯亚胺、三乙二醇二异辛酸酯、巯基苯并噻唑钠、三硫代碳酸钠、红色素-16、L-丙交酯、乙交酯、石油酯-T50、多元醇苯甲酸酯、热压敏染料、光稳定剂、高分子降解材料
- 主营：甘氨酸、水苏糖、阻燃剂、1680-21-3、硫酸锌、硫酸锆、硫酸锂、硫酸锶、硫酸锰、铝酸锌、牛磺酸、褪黑素、磷酸铁、丙酸铵、苏云金、碳酸镁、麝香酮、肉桂醛、磷酸铝、王浆酸、椰油胺、赖氨酸、增塑剂、浸膏粉、乙氧基
- 主营：乙二醇、二甲基亚砜、丙二醇、硫代吗啉、精对苯二甲酸、己二酸、聚乙烯醇、聚乙二醇、木质素、甘油、三甘醇、己内酰胺、叔十二硫醇、白油、对苯二甲酸二甲酯、4-丁二醇
- 主营：阻燃剂、乙酸镍、乙酸镝、硫代吗啉11、硫酸锂、硫酸锶、溴氨酸、香茅醇、肌氨酸、锂电池、四氢萘、磷酸铬、碳酸镁、碳酸镍、防冻剂、磷酸铝、叔丁醇、氟苯基、浮选剂、稀释剂、羟乙基、去除剂、庚二酸、除磷剂、十八烯、蛋白酶
- 主营：阻燃剂、钼酸铵、苯甲基、5108-96-3、6234-14-3、催化剂、钒酸铋、环丙腈、碳酸镝、钨酸铵、唑烷酮、化合物、氟苯基、乌头酸、溴化锂、脂肪酸、铝酸钴、萘甲醛、四苯基、蛋白酶、3982-82-9、异恶草、固化剂、甲酸钾、猪肝脏
- 主营：氨基丁酸、胍基乙酸
- 主营：萃取剂、选矿药剂、金矿硫化矿
- 主营：杂环化合物、丙烯酸系列
- 主营：乙酸镁、并噻吩、三蝶烯、硫酸锂、二乙烯、硫酸锶、肌氨酸、嘧菌酯、碳酸镁、新癸酸、赖氨酸、多佐胺、咯菌腈、乙氧基、茚三酮、咖啡酸、氟苯基、α-氟萘、羟乙基、异恶唑、2223-82-7、喹啉黄、庚二酸、虫酰肼、吡咯并
- 主营：苯肼、氯甲基苯乙烯、无水氯化锂、氨基硫代吗啉1、丙酰乙酸甲酯、邻硝基苯磺酰氯、碘甲烷、亚磷酸三苯酯、4-二氢吡喃、苯并噻唑、苄胺、4-溴靛红、苯基锂、叔丁醇钾、三丁基膦、四羟基二硼
- 主营：硫代吗啉、阿昔洛韦侧链、化工原料
- 主营：蒸馏水、50%双氧水、柠檬酸钠、N-甲基吡咯烷酮、呋喃、二甲基亚砜、纯碱、丙二醇丙醚、片碱、冰醋酸、磷酸、正丁醇、异丙醇、己二酸、二甲基甲酰胺、二甲基乙酰胺、甘油、四氯呋喃、环氧氯丙烷、精间苯二甲酸
- 主营：棕榈酸、乙酸铋、异喹啉、硫代吗啉、胶粘剂、丙烯酸酯、化学试剂、分析试剂、透明液体、二乙二醇、光引发剂、岩白菜素、对甲苯磺酸、苯甲酸苄酯、偏苯三酸酐、六氟异丙醇、纳米氧化铽、六氟磷酸铯、表面活性剂、蓖麻醇酸锌、乙基纤维素、荧光指示剂、2-乙二硫醇、4-二氟苄溴|、丙烯酸羟乙酯、3-丙烷磺内酯
- 主营：甜菊糖、氯乙酰、二乙苯、4316-73-8、4861-19-2、1192-62-7、7782-61-8、1310-58-3、酞菁绿、阻燃剂、二戊烯、单甲醚、硫酸锂、大理石、羊脂酸、7783-40-6、磷酸氢、8002-74-2、龙脑油、2842-44-6、聚甘油、二聚酸、戊二醇、聚醚f68、磺化油
- 主营：硼酸酐、阻聚剂、己二酸、硫代吗啉、氯化锂、发泡剂、乙二醇、醋酸铜、硅酸钠、正癸醇、新癸酸、环烷油、腰果酚、十二醇、酒石酸、碳酸锂、三甘醇、油菜酸、二甘醇、碳酸钾、甲酸钠、硅酸镁、棕榈油、6-氯嘌呤、微晶石蜡、磷酸一铵