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Merck
CN

60238

Sigma-Aldrich

氟化钾

BioUltra, ≥99.5% (F)

别名:

KF

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About This Item

线性分子式:
KF
CAS号:
分子量:
58.10
Beilstein:
3902818
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.25

产品线

BioUltra

质量水平

检测方案

≥99.5% (F)

形式

solid

杂质

insoluble matter, passes filter test
≤0.01% free acid (as HF)
≤0.01% free alkali (as KOH)
≤0.1% potassium fluoro silicate (K2SiF6)

pH值(酸碱度)

7.0-8.5 (25 °C, 1 M in H2O)

mp

858 °C (lit.)

溶解性

H2O: 1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

痕量阳离子

Al: ≤5 mg/kg
As: ≤3 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤2000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

SMILES字符串

[F-].[K+]

InChI

1S/FH.K/h1H;/q;+1/p-1

InChI key

NROKBHXJSPEDAR-UHFFFAOYSA-M

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应用

氟化钾可用于DNA配体结合的热力学分析以及蛋白质和肽的结构稳定性研究。
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。

其他说明

焦磷酸酶抑制剂,因此在氨基磷酸核糖基转移酶测定中通过水解裂解焦磷酸键防止ATP损失;强烈抑制网织红细胞裂解物无细胞系统中的多肽链起始

象形图

CorrosionSkull and crossbones

警示用语:

Danger

危险分类

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1

储存分类代码

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

危险化学品

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J C O'Rourke et al.
The Journal of biological chemistry, 250(9), 3443-3450 (1975-05-20)
KF (30 mM) strongly inhibits polypeptide chain initiation in the reticulocyte lysate cell-free system.. Chain elongation is partially inhibited but proceeds to a significant extent with little initiation of new chains. Polysome breakdown is incomplete after incubations as long as
Amidophosphoribosyltransferase (chicken liver).
J M Lewis et al.
Methods in enzymology, 51, 171-178 (1978-01-01)
E Gershonov et al.
The Journal of organic chemistry, 74(1), 329-338 (2008-12-05)
A facile solvent-free hydrolysis (chemical destruction) of the warfare agents VX (O-ethyl S-2-(diisopropylamino)ethyl methylphosphonothioate), GB (O-isopropyl methylphosphonofluoridate or sarin), and HD (2,2'-dichloroethyl sulfide or sulfur mustard) upon reaction with various solid-supported fluoride reagents is described. These solid reagents include different
Mónica Calvo-Polanco et al.
Physiologia plantarum, 135(1), 51-61 (2009-01-06)
Black spruce (Picea mariana), white spruce (Picea glauca) and jack pine (Pinus banksiana) were inoculated with Suillus tomentosus and subjected to potassium fluoride (1 mM KF and 5 mM KF) in the presence and absence of 60 mM NaCl. The
Ariel L Camp et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(28), 8690-8695 (2015-06-24)
Most aquatic vertebrates use suction to capture food, relying on rapid expansion of the mouth cavity to accelerate water and food into the mouth. In ray-finned fishes, mouth expansion is both fast and forceful, and therefore requires considerable power. However

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