Perfluorooctylethylmercaptan
Overview
Perfluorooctylethyl Mercaptan (PFOT) is a fluorinated thiol compound characterized by its perfluorinated carbon chain and terminal thiol (-SH) group. It is primarily utilized in industrial applications requiring extreme surface repellency and durability. The compound’s unique structure enables it to form self-assembled monolayers (SAMs) on metals and other substrates, making it valuable for advanced material engineering. As a specialty chemical, PFOT is produced in limited quantities due to stringent environmental regulations on perfluorinated compounds. Industrial buyers typically source it for high-performance coatings or precision surface modifications, where alternatives are ineffective.
Physical and Chemical Properties
PFOT exhibits exceptional chemical inertness and thermal stability, attributable to its strong C-F bonds. The thiol group allows covalent bonding with metals like gold and silver, facilitating applications in nanotechnology and electronics. Its density of ~1.7 g/cm³ reflects the heavy fluorine content, while its low surface energy (<15 mN/m) enables superior water and oil repellency. The compound decomposes at temperatures above 160°C, releasing hazardous fumes including hydrogen fluoride (HF). It is incompatible with strong oxidizers and bases, requiring careful handling. Solubility tests show miscibility with common organic solvents but negligible interaction with water, aligning with its role in hydrophobic coatings.
Main Applications
PFOT is a key ingredient in anti-fouling coatings for marine equipment, where it prevents biofilm adhesion. In textiles, it imparts stain-resistant properties to high-end fabrics. The electronics industry employs PFOT for hydrophobic treatments on circuit boards and sensors, enhancing moisture resistance. Another niche application is in lithography for semiconductor manufacturing, where its SAMs act as etch resists. Recent R&D explores its use in drug delivery systems, leveraging its ability to modify nanoparticle surfaces. However, environmental concerns have prompted shifts toward shorter-chain fluorinated alternatives in some regions.
Safety and Storage
PFOT is classified as corrosive (GHS Category 1B) and requires stringent safety measures. Direct contact can cause severe skin burns, and inhalation of vapors may lead to respiratory distress. Work areas must have fume hoods, and spills should be neutralized with inert absorbents like vermiculite. Storage mandates airtight containers made of fluoropolymer or stainless steel to prevent degradation. Shelf life is typically 1-2 years when stored below 25°C. Transport regulations often classify it as a hazardous material (UN 2920), necessitating proper labeling and documentation for cross-border shipments.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 9001 certification and expertise in fluorochemicals. Key procurement criteria include batch-to-batch consistency (verified via GC-MS analysis), packaging integrity (nitrogen-inerted drums), and compliance with regional regulations (e.g., EU PFAS restrictions). Negotiate bulk pricing for orders above 10 kg, but confirm lead times due to limited production capacity. Alternatives like perfluorohexyl ethanethiol may be considered for cost-sensitive projects, though performance trade-offs should be evaluated. Always audit the supplier’s waste disposal protocols to ensure environmental responsibility.
Related Manufacturers
- 主营：乙硫醇、麦芽糖酸、苯氧基环磷腈、甲巯基四氮唑
- 主营：三硫代碳酸钠、聚乙烯亚胺、三甘醇二异辛酸酯、全氟辛基乙硫醇、热敏染料、聚己内酯PCL、烯丙基二甘醇二碳酸酯
- 主营：氯菊酯、转移剂、聚酯树脂、乙硫醇、二甲氧基、驱蚊原液、食品香料、缩水甘油酯、蚊香增效剂、丙烯酸缩水、环氧稀释剂、硅烷偶联剂、超疏水材料、对甲氧基苯酚、对羟基苯甲醚、乙烯基双封头、苯基缩水甘油醚
- 主营：粘结剂、阻燃剂、絮凝剂、全氟辛基乙硫醇、3584-23-4、引发剂、哌啶基、封端剂、乙交酯、抗菌剂、交联剂、肌肽锌、增亮剂、干燥剂、润滑剂、护发剂、粘合剂、对位酯、阻聚剂、稀释剂、羟乙基、偶联剂、分散剂、中间体、l-丙交酯、丙烯酸锌
- 主营：聚乳酸、三辛胺、钛酸铝、乙硫醇、鱼溶浆、苯戊酮、7691-02-3、福美钠、卡波姆、醋酸菌、聚苯胺、3-苯丙醇、焦谷氨酸、松叶菊碱、邻苯二甲、四甲基二、四氯苯醌、假丝酵母、二甲氧基、肉桂酸苄酯、海藻糖原料、吡啶硫酮锌、苯甲酸苄酯、羟丙基甲基、聚乙烯亚胺、蓖麻油酸锌
- 主营：扩链剂、咪唑系列、阻燃剂、全氟己基乙基硫醇、离子液体、催化剂、乙酰丙酮系列、固化剂系列
- 主营：减磨剂、防锈剂、添加剂、乙硫醇、润滑剂、抗腐剂、丙烯酸、抗氧剂、改进剂、清净剂、极压剂、色墨油墨、金属钝化剂、无灰分散剂、聚氨酯乳液、聚氨酯树脂、复合油墨树脂、高分子化合物、润滑脂拉丝剂、润滑油破乳剂、膜强度增强剂、润滑油增稠剂、润滑脂增粘剂、导热油复合剂、硫化烷基酚钙、活塞环释放剂
- 主营：干燥剂、稳定剂、碘化钾、乙硫醇、固香剂、洗涤剂、柔软剂、乙酸铅、催化剂、乙酸钾、氧化锌、水杨酸钠、分析试剂、感光乳剂、香精香料、食品添加剂、磷酸二氢锰、离子化试剂、磷酸二氢钾、颜料中间体、磷酸二氢钠、电镀络合剂、水质处理剂、低泡润湿剂、水分保持剂、金属洗净剂
- 主营：玻色因、硫酸钠、吩噻嗪、全氟庚烷、全氟萘烷、全氟辛酸、全氟己酸、全氟聚醚、全氟己烷、十七氟、乙酰胺、4998-07-6、八氟戊基、三氟丁酮、特戊酸锌、氮杂环醇、三氟乙腈、三氟乙酰、化工溶剂、防龋齿剂、氟硼酸钠、愈创木酚、罗氏菌素、六氟丁醇、三间磺酸
- 主营：甘氨酸、高温胶、阻燃剂、乙硫醇、胶黏剂、蒽甲酸、保温砖、热熔胶、退除剂、嘧菌酯、中性红、3282-24-4、肉桂醛、退镍液、乙氧基、增弹剂、环氧胶、2768-02-7、阻燃毯、7377-08-4、4865-84-3、遮味剂、黄蜂蜡、除磷剂、亮氨酸、抛光盐
- 主营：氮丙啶交联剂、异山梨醇二甲醚、异山梨醇、全氟辛基乙硫醇、有机硅
- 主营：异山梨醇二甲醚、二氢茉莉酮酸甲酯、二氢吡啶原粉、全氟辛硫醇、四丁基溴化铵、半胱胺盐酸盐、莫能菌素、二氢燕麦生物碱、月桂酰赖氨酸、双马来酰亚胺BMI、福美钠、辛酰氧肟酸、二硫代二甘醇酸二铵、巯基乙酸乙醇胺、己脒定二(羟乙基磺酸、乙醛酸固体、四丙基氢氧化铵、巯基乙酸铵、蓖麻油酸锌、蓖麻油酸锌脂、对氯间二甲苯酚、三乙酰氧基硼氢化钠、辛酰羟肟酸
- 主营：4-戊烯基、丙酸氯倍、5-氟胞嘧啶、乙硫醇、二水草酸锰、a庚酸雌c二醇、噻奈普原汀酸粉
- 主营：磷酸三钙、钡玻璃粉、锶玻璃粉、全氟三丁胺、生物活性玻璃、虫胶粉/精制紫胶、卡波姆树脂、月桂酰赖氨酸、木瓜蛋白酶、低温玻璃粉、磺化栲胶、聚酰亚胺pi树脂微粉、八甘醇、羟基磷灰石、高取代羟丙基纤维素、异戊橡胶、杜仲胶、二水硫酸钙、壳聚糖、氢化卵磷脂、辛烯基琥珀酸淀粉钠、花椒麻素、甲氧基聚乙二醇丙烯酸、维生素A棕榈酸酯、水解胶原蛋白锌