Overview
3-Mercapto-2-butanol is an organosulfur compound with the molecular formula C4H8OS. It is characterized by the presence of a thiol (-SH) group, which imparts a strong sulfurous aroma. This compound is primarily used in the food and beverage industry as a flavoring agent, contributing meaty and roasted notes to products. Its synthesis typically involves the reaction of butenol with hydrogen sulfide or other sulfur-containing reagents. Due to its reactive nature, it is often handled in controlled environments to prevent oxidation or unwanted reactions. The compound's unique sensory properties make it valuable in creating complex flavor profiles.
Physical and Chemical Properties
3-Mercapto-2-butanol is a colorless to pale yellow liquid with a density of approximately 1.03 g/cm³. It has a boiling point around 160-165°C and is soluble in alcohol but only slightly soluble in water. The thiol group is highly reactive, making the compound prone to oxidation, which can alter its odor profile. The compound's strong sulfurous odor is its most distinctive feature, often described as similar to garlic or onions at high concentrations. In diluted forms, it contributes desirable meaty or roasted nuances. Its reactivity requires careful handling and storage to maintain stability and prevent degradation.
Main Applications
The primary use of 3-mercapto-2-butanol is as a flavoring agent in the food and beverage industry. It is particularly valued for its ability to enhance savory flavors, often used in meat products, snacks, and savory sauces. Its roasted aroma also makes it suitable for coffee and cocoa flavorings. Beyond flavors, it serves as a chemical intermediate in the synthesis of more complex sulfur-containing compounds. These intermediates may be used in pharmaceuticals or agrochemicals, though such applications are less common compared to its role in flavors and fragrances.
Safety and Storage
3-Mercapto-2-butanol is classified as an irritant, particularly to skin and eyes. Proper personal protective equipment (PPE), including gloves and goggles, should be worn when handling the compound. Adequate ventilation is recommended to avoid inhalation of vapors. Storage should be in tightly sealed containers, away from light and oxidizing agents. Ideal conditions include cool, dry environments to prevent degradation. Shelf life can vary but is typically up to two years when stored correctly. Spills should be contained and cleaned promptly using appropriate absorbents.
B2B Procurement Guide
When procuring 3-mercapto-2-butanol, buyers should prioritize suppliers who provide detailed certificates of analysis (CoA) to verify purity and composition. Food-grade specifications are critical if the compound is intended for flavoring applications. Pricing varies based on quantity and purity, with bulk purchases often offering cost advantages. Reliable suppliers should comply with Good Manufacturing Practices (GMP) and relevant food safety standards. Buyers may also inquire about packaging options, as smaller, sealed containers can help maintain product integrity for low-volume users. Lead times and shipping conditions (e.g., temperature control) should be confirmed to ensure quality upon delivery.
Related Manufacturers
- 主营：聚乙烯亚胺、三硫代碳酸钠40%、六氯环三磷腈、三甘醇二异辛酸酯3G8、TS-1钛硅分子筛、5-甲基靛红、烷基苯磺酸酯、苯基次磷酸钠、甲巯咪唑、吡啶硫酮锌、焦磷酸哌嗪、热敏材料、油酸甲酯、曲酸
- 主营：甜菊糖、氯乙酰、二乙苯、4316-73-8、4861-19-2、1192-62-7、7783-40-6、8002-74-2、7782-61-8、2842-44-6、1310-58-3、酞菁绿、阻燃剂、二戊烯、单甲醚、硫酸锂、大理石、羊脂酸、磷酸氢、龙脑油、聚甘油、二聚酸、戊二醇、聚醚f68、磺化油
- 主营：2-十一酮、乙酸龙脑酯、聚苯乙烯磺酸钠、乙基黄原酸钾
- 主营：环戊酮、甲酸镍、阻燃剂、叔丁醇、草酸镧、钼酸铵、催化剂、钒酸铋、溴氨酸、硝酸锆、碳酸镧、白僵菌、磷酸铁、钨酸酐、氟化镧、视黄醇、杀螨剂、杀虫剂、醋酸钬、抗粘剂、氟化镥、肟菌酯、氢化钠、氯铂酸、氟化镁
- 主营：氯甲酸苄酯、十八硫醇、叔丁胺、4-二甲氨基吡啶、2-乙烯基吡啶、3-环戊二烯、六甲基氧二硅烷、六氟磷酸铵、六氟磷酸
- 主营：架桥剂、YW100 锂萃取剂、端羧基液体丁腈橡胶、10-羟基癸酸、β-磷酸三钙、1-乙炔基环已醇、苯乙烯磷酸、肉豆蔻酸镁、硬脂酸钴、全氟三丁胺、乙烯基磷酸二乙酯、磷酸锰铁锂、十一烯酸、钨酸铝、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、溴代海因树脂颗粒、红铝、龙涎酮、原丁酸三甲酯
- 主营：化学品、香精香料、试剂、巯基、中间体、有机硅、橡胶树脂、催化剂、纳米材料
- 主营：叔碳酸、十八醛、溶菌酶、2-甲基丁醛、10-羟基羊蜡酸、海藻糖、癸二醇、氨基丙基、氢路噻嗪、邻苯二甲、乙基碳二、羟基癸酸、正十七烷、谷胱甘肽、烷二甲醇、松果体素、vc磷酸酯镁、朱栾倍半萜、丁烷四乙酸、表面活性剂、癸烷撑二醇、缩水甘油邻、氢氯噻嗪杂质、盐酸邻菲罗啉、壳聚糖季铵盐
- 主营：有机原料、中间体、香精香料、催化剂、有机硅、表面活性剂
- 主营：全氟三丁胺、二苄叉山梨醇、六氟丙烯二聚体、巯基、六氟环氧丙烷二聚体、异丙醇铝、纳米勃姆石、二异戊基硫醚、隐色结晶紫、邻菲罗啉
- 主营：37887、全氟三丁胺、木质素、吉氏色素
- 主营：聚苯胺、脯氨酸甲酯盐酸盐、苄基三甲基氯化铵
- 主营：巯基、苄基三乙基氯化铵、苄基三甲基氯化铵
- 主营：杜仲素、对位酯、丙烯酸酯、2巯基3丁醇、二氧化硫脲、乙基麦芽酚、饲料添加剂、油酸基硬脂酸、二苯基硅二醇
- 主营：己二酸二酰肼、丙酸氯倍原料、亚乙基硫脲、2-甲基四氢噻吩-3-酮、3-甲基-2-丁硫醇、2-辛二醇、三氟甲基磺酸铋、醋酸钯