01132
氟化钾
purified, ≥99%
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关于此项目
线性分子式:
KF
化学文摘社编号:
分子量:
58.10
UNSPSC Code:
12352302
NACRES:
NA.55
PubChem Substance ID:
EC Number:
232-151-5
Beilstein/REAXYS Number:
3902818
MDL number:
InChI key
NROKBHXJSPEDAR-UHFFFAOYSA-M
InChI
1S/FH.K/h1H;/q;+1/p-1
SMILES string
[F-].[K+]
assay
≥99%
form
crystalline
quality
purified
loss
≤0.5% loss on ignition, 500 °C, 2 h
mp
858 °C (lit.)
anion traces
chloride (Cl-): ≤100 mg/kg, sulfate (SO42-): ≤500 mg/kg
cation traces
Fe: ≤50 mg/kg
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General description
Potassium fluoride (KF) on activated alumina is a highly reactive catalyst (basic in nature) for various organic reactions. High reactivity is due to the formation of potassium hexafluoroaluminiate, potassium hydroxide and potassium aluminate on the interaction of its fluoride ion with alumina. Celite coated with potassium fluoride is an economical reagent for hydrogen-bond-assisted reactions. Potassium fluoride on basic alumina in acetonitrile with ultrasound has been employed for the deprotection of tert-butyldimethylsilyl ethers of phenols.
Application
用于研究两性聚合物凝胶的离子特异性溶胀和去溶胀的多功能氟离子源。贵金属在氟化氢中的室温氧化, 以及碱金属卤化物聚合物中离子的电子极化率的测量。
Potassium fluoride may be employed for doping the natural calcium phosphate (NP) for high yield synthesis of activated alkenes.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
Characterization of the actual catalytic agent in potassium fluoride on activated alumina systems.
Weinstock LM, et al.
Tetrahedron Letters, 27(33), 3845-3848 (1986)
Potassium fluoride on celite. A versatile reagent for C-, N-, O-, and S-alkylations.
Ando T and Yamawaki J.
Chemistry Letters (Jpn), 1, 45-46 (1979)
Natural phosphate doped with potassium fluoride and modified with sodium nitrate: Efficient catalysts for the Knoevenagel condensation.
Sebti S, et al.
Tetrahedron Letters, 43(10), 1813-1815 (2002)
Selective desilylation of tert-butyldimethylsilyl ethers of phenols using potassium fluoride-alumina and ultrasound.
Schmittling EA and Sawyer JS.
Tetrahedron Letters, 32(49), 7207-7210 (1991)
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