Lithium Borohydride 硼氢化锂(易制爆)

CAS 16949-15-8 MFCD00011088

化学结构图

16949-15-8
SMILES: [BH4-].[Li+]

化学属性

Mol. FormulaLiBH4
Mol. Weight21.78
Density0.719 g/mL at 25 °C
Melting Point275 °C (dec.)
SolubilitySoluble in ether, THF, and aliphatic amines
TSCAYes
Flash Point-17 ºC
Boiling Point66
Stability对湿度敏感

别名和识别编码

Chemical NameLithium Borohydride
Synonym Lithium hydroborate (LiBH4) borohydruredelithium Borate(1-), tetrahydro-, lithium LITHIUM TETRAHYDROBORATE 氢硼化锂 Lithium tetrahydridoborate lithium borohydride solution Lithium boron hydride LITHIUM TETRAHYDRIDOBORATE Lithiumtetrahydridoborat LITHIUM BOROHYDRIDE, HYDROGEN STORAGE G& Lithiumborohydride,95% 硼氢化锂 Lithium tetrahydroborate(1-) LITHIUM BORANATE Lithiumtetrahydroborat 硼氢化锂 溶液 Borate(1-),tetrahydro-,lithium LiBH4 Lithium tetrahydroborate 四氢硼酸锂 锂硼氢 tetrahydro-borate(1-lithium LITHIUM BOROHYDRIDE Lithium borohydride (LiBH4) LITHIUM BORON HYDRIDE Lithium borohydride BH4Li 硼氢化锂2M四氢呋喃溶液 Lithiumboranat Lithiumborhydrid Lityium borohydride LITHIUM BOROHYDRIDE, 2.0M SOLUTION IN TE TRAHYDROFURAN Lithium borohydride, 2M solution in tetrahydrofuran
PubChem Substance ID24853783
EC Number241-021-7
MDL NumberMFCD00011088
CAS Number16949-15-8
Merck Number14,5525
Beilstein Registry Number2384789
Chemical Name Translation硼氢化锂(易制爆)
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分类

  • {SNA} Alternative Energy, Borohydrides, Boron Hydrides, Chemical Synthesis, Materials Science, Materials for Hydrogen Storage, Reduction, Synthetic Reagents
  • {SNA} Borohydrides, Chemical Synthesis, Reduction, Synthetic Reagents
  • {SNA} 25mL Sure/Seal Reagents, Borohydrides, Chemical Synthesis, Organometallic Reagents, Reduction, Synthetic Reagents
  • {uni_hamburg} no charge; 2fragments; ionic
  • {SA} Alternative Energy, Borohydrides, Boron Hydrides, Chemical Synthesis, Materials Science, Materials for Hydrogen Storage, Reduction, Synthetic Reagents

产品应用

  • 用作强还原剂，能还原醛类、酮类和酯类等。

相关文献及参考

  • The combination of LiBH4 and TMS chloride is a versatile, powerful reducing agent, which will reduce carboxylic acids, amino acids, amides, nitriles, etc: Angew. Chem. Int. Ed., 28, 218 (1989).
  • Short: II/24A
  • Short: II/25A
  • Useful catalyst, in acetonitrile, for conversion of acid-sensitive aldehydes to 1,3-oxathiolanes and 1,3-dithiolanes: Synlett, 238 (2001).
  • Monograph: J. Seyden-Penne, Reductions by the Alumino- and Borohydrides In Organic Synthesis, 2nd ed., Wiley, N.Y. (1997).
  • Versatile reducing agent showing significant and useful differences from sodium borohydride. Review: Tetrahedron, 35, 567 (1979). For use in reduction of esters, see: J. Org. Chem., 47, 1604 (1982).
  • Merck: 14,5525

安全信息

GHS Symbol
WGK Germany1
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H336 May cause drowsiness or dizziness 肯能导致嗜睡或头晕
  • H224 Extremely flammable liquid and vapour 极端易燃液体和蒸气
  • H302 Harmful if swallowed 吞食有害
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H260 In contact with water releases flammable gases which may ignite spontaneously 与水接触时释放可燃气体，可自燃。
  • H301+H311+H331
  • H331 Toxic if inhaled 吸入中毒
  • H311 Toxic in contact with skin 皮肤接触中毒
  • H301 Toxic if swallowed 吞食有毒
  • H332 Harmful if inhaled 吸入有害
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H225 Highly flammable liquid and vapour 高度易燃液体和蒸气
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSED2725000
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire. 远离任何与水接触的可能，因为会剧烈反应可能产生闪火。
  • P422 Store contents under… 存储目录在…之下。
  • P231+P232
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P370+P378
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P305+P351+P338
Signal word Danger
Safety Statements
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
  • S43 In case of fire use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add -?Never use water) 着火时使用（指明具体的消防器材种类，如果用水增加危险，注明“禁止用水”
  • S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
  • S27 Take off immediately all contaminated clothing 立即脱掉全部污染的衣服；
  • S20 When using do not eat or drink 使用时，不得进食，饮水；
  • S7/8 Keep container tightly closed and dry 保存在严格密闭容器中，保持干燥；
  • S33 Take precautionary measures against static discharges 对静电采取预防措施；
  • S30 Never add water to this product 切勿将水加入该产品中；
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
  • S4 Keep away from living quarters 远离生活区；
  • S9 Keep container in a well-ventilated place 保持容器在通风良好的场所；
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；
  • S8 Keep container dry 保持容器干燥；
Packing GroupI
UN Number UN1413 UN 3399 4.3/PG 1
Risk Statements
  • R14/15 Reacts violently with water, liberating extremely flammable gases 遇水剧烈反应，释放出高度可燃气体
  • R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入，皮肤接触及吞食都有毒
  • R34 Causes burns 会导致灼伤
  • R19 May form explosive peroxides 可能生成易爆的过氧化物质
  • R12 Extremely flammable 极端易燃
  • R66 Repeated exposure may cause skin dryness or cracking 反复接触可能导致皮肤干燥或皴裂
  • R22 Harmful if swallowed 吞咽有害
  • R67 Vapours may cause drowsiness and dizziness 蒸汽可能导致嗜睡和昏厥
  • R20/21/22 Harmful by inhalation, in contact with skin and if swallowed 吸入、皮肤接触和不慎吞咽有害
  • R11 Highly flammable 非常易燃
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Storage condition Moisture Sensitive 储存温度 2-8℃ water-free area 储存温度 2-8℃,充氩保存 4°C 保存,产品在储存期间可能变浑浊
Hazard Codes F,T F;T F+,Xn F,Xn F,T,C
Hazard Class4.3
Warnings 危化品目录(2015) 危险化学品
Restrict 易制爆

其他信息

  • 灭火剂:干粉、干砂
  • 用途二:用作强还原剂，能还原醛类、酮类和酯类等。
  • MOL 文件:16949-15-8.mol
  • 下游产品:1-氨基环丙甲醇 --> 5-(氨甲基)-1-甲基吡咯烷-2-酮 --> 3,5-二甲氧基苄胺 --> 2-噻吩乙胺 --> 4-(溴甲基)哌啶甲酸苄酯 --> 3-甲醛苯甲酸甲酯
  • 硼氢化锂价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 XW169491581 硼氢化锂;四氢硼锂;氢硼化锂 1g 80元 2011/08/23 XW169491582 硼氢化锂;四氢硼锂;氢硼化锂 10g 165元 2011/08/23 XW169491583 硼氢化锂;四氢硼锂;氢硼化锂 50g 663元
  • MSDS 信息:硼氢化锂(16949-15-8).msds
  • 可燃性危险特性:遇水易燃; 遇水产生易燃氢气
  • 用途一:常用于制取其他硼氢化物的原料。用作氢源和有机基团（如醛、酮、酯）的还原剂。工业上用于漂白木浆和无电电镀（化学镀）。
  • 外观性质:无色粉末。
  • F:10-21
  • Sigma Aldrich:16949-15-8(sigmaaldrich)
  • 敏感性:Air & Moisture Sensitive
  • 在约275℃分解。有吸湿性。在干空气中稳定，在湿空气中分解。在pH值大于7时，能溶于水，且水溶液缓慢分解，加酸则较剧烈分解。溶于乙醚、四氢呋喃、脂肪胺类。与氯化氢作用，生成氢、乙硼烷和氯化锂。常配置成THF溶液使用。
  • 上游原料:乙醚 --> 硼氢化钠 --> 溴化锂
  • 类别:遇水易燃物品

系列性分类

  1. Chemical Synthesis 化学合成
  2. Organometallic Reagents 金属有机试剂
  3. Seal™ Reagents 专有包装技术有机金属
  1. Chemical Synthesis 化学合成
  2. Organometallic Reagents 金属有机试剂
  3. Organolithium 有机锂
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Reduction - Synthetic Reagents
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Reduction - Synthetic Reagents
  4. Boranes - Reduction
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Reduction - Synthetic Reagents
  4. Borohydrides - Reduction
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Chemicals by Class 化学分类法
  4. Metal Compounds 金属化合物
  1. Chemical Synthesis 化学合成
  2. Organometallic Reagents 金属有机试剂
  3. Boronic Acids and Derivatives 硼酸和硼酸衍生物