708860
氢化钾
in paraffin
别名:
Potassium monohydride
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关于此项目
线性分子式:
KH
化学文摘社编号:
分子量:
40.11
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-704-8
MDL number:
Form:
solid
InChI key
NTTOTNSKUYCDAV-UHFFFAOYSA-N
InChI
1S/K.H
SMILES string
[K]
form
solid
reaction suitability
reagent type: reductant
Quality Level
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General description
氢化钾是强碱和路易斯（Lewis）酸的氢化物供体。通常用于去质子化、重排和消除反应等有机反应。也作为还原剂，将受阻硼烷和硼酸盐还原为取代的硼氢化物。
用于制备混合物的石蜡的熔点为 ~55-65℃
Application
石蜡中的氢化钾作为碱，可用于：
- 各种醛的Wittig反应， Z 选择性高。
- Williamson醚合成反应，从醇中制备取代醚。
- 环氧乙烷聚合，产出聚乙二醇。
signalword
Danger
hcodes
supp_hazards
存储类别
4.3 - Hazardous materials which set free flammable gases upon contact with water
wgk
WGK 3
flash_point_f
No data available
flash_point_c
No data available
Hazard Classifications
Skin Corr. 1B - Water-react. 1
法规信息
监管及禁止进口产品
此项目有
Potassium hydride in paraffin: a useful base for Williamson ether synthesis
Huang H, et al.
Tetrahedron Letters, 51(27), 3545-3546 (2010)
Synthesis of heterobifunctional polyethylene glycols: Polymerization from functional initiators
Vojkovsky T, et al.
Polymer, 105(27), 72-78 (2016)
Potassium Hydride
Encyclopedia of Reagents for Organic Synthesis, Second Edition (2007)
Potassium hydride in paraffin: A useful base for organic synthesis.
Taber DF and Nelson CG
The Journal of Organic Chemistry, 71(23), 8973-8974 (2006)
Pieter Clauw et al.
Plant physiology, 167(3), 800-816 (2015-01-22)
Although the response of plants exposed to severe drought stress has been studied extensively, little is known about how plants adapt their growth under mild drought stress conditions. Here, we analyzed the leaf and rosette growth response of six Arabidopsis
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