Overview
Lithium hydride (LiH) is an inorganic compound composed of lithium and hydrogen. It is a lightweight, crystalline solid with significant industrial applications due to its high hydrogen content and strong reducing properties. First synthesized in the early 20th century, LiH is primarily used in hydrogen storage systems and as a reagent in chemical synthesis. Its unique properties make it valuable in specialized fields such as nuclear technology, where it serves as a neutron moderator and shielding material. Despite its utility, LiH requires careful handling due to its reactivity, particularly with water and moisture.
Physical and Chemical Properties
Lithium hydride appears as a white or gray crystalline solid with a density of 0.78 g/cm³. It has a high melting point of 680°C and decomposes at elevated temperatures without boiling. LiH is insoluble in water but reacts violently with it, releasing hydrogen gas and forming lithium hydroxide. The compound is notable for its high hydrogen content (12.6% by weight), making it a candidate for hydrogen storage applications. It also exhibits strong reducing properties, capable of reducing various metal oxides and halides. These characteristics are leveraged in metallurgical processes and organic synthesis.
Main Applications
The primary use of lithium hydride is in hydrogen storage systems, where its high hydrogen density is advantageous for portable energy applications. It is also employed as a reducing agent in organic and inorganic synthesis, particularly in the production of specialty chemicals and pharmaceuticals. In the nuclear industry, LiH serves as a neutron moderator and shielding material due to its ability to absorb thermal neutrons. Additionally, it finds use in the synthesis of complex hydrides and as a desiccant in certain chemical processes. These diverse applications highlight its importance in advanced industrial sectors.
Safety and Storage
Lithium hydride is a hazardous material that requires strict safety protocols. It is highly flammable and reacts violently with water, releasing flammable hydrogen gas. Proper storage in a dry, inert atmosphere is essential to prevent accidental reactions. Handling LiH necessitates the use of personal protective equipment (PPE), including gloves, goggles, and flame-resistant clothing. Storage areas should be equipped with fire suppression systems and adequate ventilation. Spills must be addressed with dry sand or other inert materials, avoiding water-based extinguishers.
B2B Procurement Guide
When procuring lithium hydride, industrial buyers should prioritize suppliers with certifications for handling hazardous materials. Packaging must be airtight and moisture-proof, typically using sealed containers under an inert gas atmosphere. Quality specifications, such as purity levels (commonly 95-99%), should be clearly defined in procurement contracts. Buyers should also verify transportation and storage compliance with local regulations. Due to its specialized nature, LiH is often produced in limited quantities, so lead times and minimum order quantities should be confirmed in advance.
Related Manufacturers
- 主营：四氢噻吩、乙硫醇、单氰胺、氢化铝锂样品实验、二甲基二硫醚、3-甲硫基丙醛、四氢吡咯、邻氯苯腈、噻吩、盐酸羟胺、硬脂酸锌、异丙胺、氯乙酸、氟硼酸
- 主营：异丙醇、冰醋酸、化工原料、三叔丁氧基氢化铝锂、正庚烷、甲基环己烷、乙二醇、苯酚、江苏异丙醇、江苏化工原料、工业吡啶、工业苯酚、正丁醇、MIBK、无水乙醇、正己烷
- 主营：全氟三丁胺、二苄叉山梨醇、六氟丙烯二聚体、三叔丁氧基氢化铝锂、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：二甲基亚砜、乙二醇、丙二醇、氢化铝锂、DMAC
- 主营：气体报警器、气体检测仪、可然气体探测器、四合一气体检测仪
- 主营：高铁酸钾
- 主营：花生酸、碳酸钠、单氟磷酸钠、丁基羟基茴香醚、鱼大豆酵母原料
- 主营：无水乙醇、乙酸乙酯、磷酸、氢化锂、甲醇、乙二醇、二氯甲烷、异丙醇、二甲苯、各种化学试剂、化工原料
- 主营：碳酸铵、染色助剂、分析试剂、氢化锂、西曲溴铵、2-丙二醇、4-二甲氨基吡啶、n-丁基苯磺酰胺、有机合成中间体
- 主营：肌氨酸钠、硫化锰、V50偶氮二异丁脒盐酸盐、三乙基硼氢化锂、腰果酚缩水甘油醚、乙硫氮、二新癸酸二甲基锡、三硫代碳酸钠、PX-4MP、芥酸PKO、四氧化三锰
- 主营：DMF、DMAC、二丙酮醇、三乙基硼氢化锂、四甲基胍、马来酸酐、丙二醇、乙二醇、甲酸、甲醇、十二醇、柠檬酸、己二醇、甘油、四氢呋喃、碳酸丙烯酯、吐温、无水氯化钙、乙酸乙酯、氢氧化钠、二乙醇胺、司盘、过硫酸钠、氧化钙、氯化钾
- 主营：甲酸镍、水苏糖、阻燃剂、柠檬醛、西瓜酮、氢醌酯、卡必醇、消泡剂、磷酸铁、肉桂醇、肉桂醛、碳酸镉、磷酸铝、银墨水、椰油胺、封装胶、化合物、桦木油、稀释剂、羟乙基、乙硫氮、润肤剂、球虫酯、矮壮素、异龙脑
- 主营：甘氨酸、甘氨酰、阻燃剂、三仲丁基硼氢化锂、甲醇钠、蒽甲酯、十八酸、溴壬烷、肉桂醇、葱油醇、肉桂醛、异丁酯、赖氨酸、叔丁醇、多佐胺、醛试剂、醇酯-12、乙氧基、脯氨酸、牛胆粉、癸酸酯、化合物、氟苯基、敏材料、氨酰胺、扁油酸
- 主营：环戊酮、甲酸镍、阻燃剂、氢化钠、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、叔丁醇、杀螨剂、杀虫剂、醋酸钬、抗粘剂、氟化镥、肟菌酯、氯铂酸、氟化镁
- 主营：橡胶油、白芷油、7782-92-5、氢化锂、pbtcaona4、艾叶油、二甲基、桉树醇、2905-60-4、5989-81-1、重质苯、活性炭、1305-62-0、1192-62-7、安息油、9005-32-7、正辛烷、7775-27-1、8050-09-7、1739-84-0、7786-30-3、黄糊精、6920-22-5、三辛胺、1897-52-5、7727-21-1