Potassium borohydride 硼氢化钾

CAS 13762-51-1 MFCD00011396

化学结构图

13762-51-1
SMILES: [BH4-].[K+]

化学属性

Mol. FormulaKBH4
Mol. Weight53.94
Density1.18 g/mL at 25 °C(lit.)
Melting Point500 °C (dec.)(lit.)
Refractive index1.494
SolubilitySoluble in water (19g/100g ). methanol (3.9g/100g ). 4:1 water:methanol mixture (13g/100g ).
TSCAYes
Stability对湿度敏感

别名和识别编码

Chemical NamePotassium borohydride
Synonym Potassium borohydride 硼氢化钾 Kaliumboranat Potassium tetrahydridoborate 四氢硼酸钾,钾硼氢;氢硼化钾 Kaliumborhydrid Potassium borohydride (KBH4) Borate(1-), tetrahydro-, potassium Potassium tetrahydroborate 四氢硼酸钾,钾硼氢,氢硼化钾 Borohydrure de potassium K[BH4] Potassium tetrahydroborate(1-) Potassium tetrahydroborate (KBH4) 四氢硼酸钾;钾硼氢;氢硼化钾
CAS Number13762-51-1
PubChem Substance ID24868580
EC Number237-360-5
MDL NumberMFCD00011396
Merck Number14,7616
Chemical Name Translation硼氢化钾
Wiswesser Line NotationKA B-H4
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分类

  • {SNA} Borohydrides, Chemical Synthesis, Essential Chemicals, Metal and Ceramic Science, Potassium Salts, Reduction, Research Essentials, Salts, Synthetic Reagents, 材料科学
  • {SA} Borohydrides, Chemical Synthesis, Materials Science, Metal and Ceramic Science, Potassium Salts, Reduction, Salts, Synthetic Reagents
  • {SNA} Borohydrides, Chemical Synthesis, Reduction, Synthetic Reagents
  • {uni_hamburg} no charge; 2fragments; ionic
  • {SNA} Borohydrides, Chemical Synthesis, Materials Science, Metal and Ceramic Science, Potassium Salts,

产品应用

  • 醛类、酮类和酰氯类的还原剂，羰基和过氧化合物的还原，精制和去除有机化学产品中的颜色、嗅味和氧化母体，照相和金属整饰工业中的污染控制和贵金属的回收，药品和精细化学品的制造和催化剂的制备。
  • 溶解度(g/100g)：水19(25℃)、液氨20(25℃)、乙二胺3.9(75℃)、甲醇0.7(20℃)、二甲基甲酰胺15(20℃)。

相关文献及参考

  • Merck: 14,7616
  • Also used in the selective 1,2-reduction of benzopyrylium salts to chromenes: Bull. Soc. Chim. Fr., 1187 (1977).
  • Short: II/24A
  • Gave superior results to LiAlH4 in the reduction of 9,10-Phenanthrenequinone, A11762 and similar compounds to the trans-diols: J. Med. Chem., 17, 1095 (1974); Tetrahedron Lett., 2587 (1975).
  • 4. A. Yin, et al., Appl. Catal. 400 , 39-47, (2011)
  • Monograph: J. Seyden-Penne, Reductions by the Alumino- and Borohydrides In Organic Synthesis, 2nd ed., Wiley, N.Y. (1997).
  • See also Sodium borohydride, 35788, and Lithium borohydride, 32563.
  • 3. G. Lian, et al., Dalton Trans. 40 , 6961-6967, (2011) 摘要

安全信息

GHS Symbol
WGK Germanynwg
Hazard Codes F,T F;T
Hazard statements
  • 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。
  • H311 Toxic in contact with skin 皮肤接触中毒
  • H301 Toxic if swallowed 吞食有毒
RTECSTS7525000
Precautionary statements
  • P301+P310
  • 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
Signal word Danger
UN Number 1870 UN1870
Risk Statements
  • R34 Causes burns 会导致灼伤
  • 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
  • R24/25 Toxic in contact with skin and if swallowed 皮肤接触及吞食都有毒
  • R15 Contact with water liberates extremely flammable gases 遇水会释放出极端易燃的气体
  • 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
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；
  • S7/8 Keep container tightly closed and dry 保存在严格密闭容器中，保持干燥；
  • 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”
  • 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；
  • 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；
  • S9 Keep container in a well-ventilated place 保持容器在通风良好的场所；
Storage condition Moisture Sensitive 干燥通风保存。 充氩保存
Packing GroupI
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
Restrict {} {} 易制爆危险化学品 易制爆
Warnings 危化品目录(2015) 危险化学品 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 160 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964

其他信息

  • 易吸潮，在空气中稳定，在真空中约500℃时分解而不熔融。氧化反应较硼氢化钠低，对热也较稳定。溶于水并徐徐分解放出氢气。熔于液氨，微溶于甲醇和乙醇，几乎不溶于乙醚、苯、四氢呋喃、甲醚与其它碳氢化合物。碱溶液中稳定。遇酸分解产生氢。

系列性分类

  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. Synthetic Reagents 合成试剂
  3. Reduction - Synthetic Reagents
  4. Metal Hydrides 金属氢化物
  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Salts 金属盐
  4. Potassium Salts - Salts
  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