Lithium triisobutylhydroborate 三仲丁基硼氢化锂

CAS 38721-52-7 MFCD00011708

化学结构图

38721-52-7
SMILES: CCC(C)[BH-](C(C)CC)C(C)CC.[Li+]

化学属性

Mol. FormulaC12H28BLi
Mol. Weight190.10
Density0.89
Flash Point-17°(1°F)
TSCAYes
Boiling Point203°C
Melting Point49°C
Solubilityreacts

别名和识别编码

Chemical NameLithium triisobutylhydroborate
Synonym lithium tri-sec-butylborohydride solution lithium,(beta-4)-borate(1-hydrotris(1-methylpropyl)- LITHIUM TRI-SEC-BUTYLHYDRIDOBORATE L-SELECTRIDE(R) 三仲丁基硼氢化锂 LITHIUM TRI-SEC-BUTYLBOROHYDRIDE LITHIUM TRI-SEC-BUTYLBOROHYDRIDE SOL. L-SELECTRIDE, 1.0M SOLUTION IN TETRAHYDR OFURAN Lithium tri-sec-butylborohydride solution LITHIUM TRI-S-BUTYLHYDROBORATE 1.0MsolutioninTHF Lithium tri-sec-butylborohydride, 1M solution in THF LITHIUM TRI-SEC-BUTYLBOROHYDRIDE SOL., 1 M IN THF A 800 ML L-Selectride® 溶液 三仲丁基硼氢化锂, 1.0M IN THF Borate(1-), hydrotris(1-methylpropyl)-, lithium, (T-4)- 三仲丁基硼化锂
MDL NumberMFCD00011708
PubChem Substance ID24855566
Beilstein Registry Number4007327
CAS Number38721-52-7
Merck Number14,8427
EC Number254-101-1
Chemical Name Translation三仲丁基硼氢化锂
LabNetwork Molecule IDLN01808673
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分类

  • {SNA} Borohydrides, Chemical Synthesis, Reduction, Synthetic Reagents

产品应用

  • ⑴. 是一种有机硼烷,对湿气和空气比较敏感。
  • ⑵. 用于有机合成中间体,被用作优秀的、温和的和高度选择性的还原试剂。具有较好的溶解度和较低价格的优势,所以更广泛地得到应用。它的分子中仅含有一个负氢离子,容易定量地控制试剂的用量;分子中有3个异丁基,自身具有较大的位阻,更容易在底物位阻小的区域发生选择性反应。此外,三仲丁基硼氢化锂的还原能力明显地受到反应温度的影响。
  • 在THF溶剂中,三仲丁基硼氢化锂与酮的还原反应可在低温下进行。很多对反应条件敏感的官能团均不受到明显的影响,例如:氰基、缩酮、缩醛、硅醚等。

相关文献及参考

  • Merck: 14,8427 Beilstein: 4,IV,4361
  • Merck: 14,8427

安全信息

WGK Germany3
Precautionary statements
  • P222 Do not allow contact with air. 不要与空气接触。
  • 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
  • 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。
  • P370+P378
Hazard statements
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H351 Suspected of causing cancer 怀疑致癌
  • 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。
  • H225 Highly flammable liquid and vapour 高度易燃液体和蒸气
  • H250 Catches fire spontaneously if exposed to air 暴露于空气自发着火
GHS Symbol
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Signal word
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;
Packing GroupI
UN Number UN3394 UN 3394 4.2/PG 1
Risk Statements
  • R11 Highly flammable 非常易燃
  • R17 Spontaneously flammable in air 在空气中能够自燃
  • R19 May form explosive peroxides 可能生成易爆的过氧化物质
  • R37 Irritating to respiratory system 刺激呼吸道
  • 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
  • R34 Causes burns 会导致灼伤
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R40 Limited evidence of a carcinogenic effect 有限证据表明其致癌作用
Storage condition Moisture Sensitive Flammables area
Hazard Codes F,C
Hazard Class4.3

其他信息

  • ⑴. 对湿气和空气比较敏感,需要在阴凉和干燥条件下储存。

系列性分类


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