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Merck
CN

60238

氟化钾

BioUltra, ≥99.5% (F)

别名:

KF

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关于此项目

线性分子式:
KF
化学文摘社编号:
7789-23-3
分子量:
58.10
UNSPSC Code:
12352302
NACRES:
NA.25
PubChem Substance ID:
57651737
MDL number:
MFCD00011398
Beilstein/REAXYS Number:
3902818
Assay:
≥99.5% (F)
Grade:
reagent grade
Form:
solid
Solubility:
H2O: 1 M at 20 °C, clear, colorless

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产品名称

氟化钾, BioUltra, ≥99.5% (F)

InChI

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

SMILES string

[F-].[K+]

InChI key

NROKBHXJSPEDAR-UHFFFAOYSA-M

grade

reagent grade

product line

BioUltra

assay

≥99.5% (F)

form

solid

impurities

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

pH

7.0-8.5 (25 °C, 1 M in H2O)

mp

858 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

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

cation traces

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

UV absorption

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

Quality Level

200

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相关类别

Application

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。

Other Notes

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

pictograms

CorrosionSkull and crossbones
GHS05,GHS06

signalword

Danger

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

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN7729
BCCM9159
BCCM9674
BCCL8595
BCCL3995

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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)
Lirong Wen et al.
Journal of combinatorial chemistry, 11(5), 799-805 (2009-07-28)
A series of new functionalized thiochromeno[2,3-b]pyridine derivatives have been synthesized via a sequence of Knoevenagel condensation, Michael addition, cyclization, and intramolecular nucleophilic substitution, which is first catalyzed by KF/neutral Al(2)O(3) cooperated with PEG 6000 under microwave irradiation. Experimental results indicated
Mingming Fan et al.
Bioresource technology, 104, 447-450 (2011-12-16)
Transesterification of soybean oil with methanol was carried out in the presence of CaO-MgO and KF-modified CaO-MgO catalysts at atmospheric pressure. While the methyl ester yield for the CaO-MgO catalyst with a ratio of 8:2 (CaO:MgO) was 63.6%, it was
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
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