Potassium borohydride 硼氢化钾
CAS 13762-51-1 MFCD00011396
化学结构图
SMILES: [BH4-].[K+]
化学属性
| Mol. Formula | KBH4 |
|---|---|
| Mol. Weight | 53.94 |
| Density | 1.18 g/mL at 25 °C(lit.) |
| Melting Point | 500 °C (dec.)(lit.) |
| Refractive index | 1.494 |
| Solubility | Soluble in water (19g/100g ). methanol (3.9g/100g ). 4:1 water:methanol mixture (13g/100g ). |
| TSCA | Yes |
| Stability | 对湿度敏感 |
别名和识别编码
| Chemical Name | Potassium 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 Number | 13762-51-1 |
| PubChem Substance ID | 24868580 |
| EC Number | 237-360-5 |
| MDL Number | MFCD00011396 |
| Merck Number | 14,7616 |
| Chemical Name Translation | 硼氢化钾 |
| Wiswesser Line Notation | KA 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
- 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
- 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
- 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
- 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；
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。
