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重要文件

60238

Sigma-Aldrich

氟化钾

BioUltra, ≥99.5% (F)

同義詞:

KF

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About This Item

線性公式:
KF
CAS號碼:
分子量::
58.10
Beilstein:
3902818
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.25
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等級

reagent grade

產品線

BioUltra

化驗

≥99.5% (F)

形狀

solid

雜質

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

7.0-8.5 (25 °C, 1 M in H2O)

mp

858 °C (lit.)

溶解度

H2O: 1 M at 20 °C, clear, colorless

負離子痕跡

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

正離子痕跡

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

&lambda ;

1 M in H2O

紫外吸收

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

SMILES 字串

[F-].[K+]

InChI

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

InChI 密鑰

NROKBHXJSPEDAR-UHFFFAOYSA-M

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應用

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。

其他說明

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[1];强烈抑制网织红细胞裂解物无细胞系统中的多肽链起始[2]

象形圖

CorrosionSkull and crossbones

訊號詞

Danger

危險分類

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

儲存類別代碼

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

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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