1.04994

Potassium fluoride

for analysis EMSURE^® ACS

• 别名: Potassium fluoride
• 经验公式（希尔记法）: FK
• CAS号: 7789-23-3
• 分子量: 58.10
• MDL號碼: MFCD00011398
• 分類程式碼代碼: 12352302
• 酶委員會索引編號: 232-151-5
• NACRES: NA.21

属性

• 等級: ACS reagent
• 品質等級: 300
• 蒸汽壓力: 1.3 hPa ( 885 °C)
• 產品線: EMSURE^®
• 化驗: ≥99.0% (precipitation titration)
• 形狀: solid
• 效力: 245 mg/kg LD₅₀, oral (Rat)
• 雜質: ≤0.05% Free acid (as HF)
• pH值: 8-9 (20 °C, 50 g/L in H₂O)
• bp: 1505 °C/1013 hPa
• mp: 846 °C
• 溶解度: 923 g/L
• 密度: 2.48 g/cm³ at 20 °C
• 體積密度: 400 kg/m³
• 負離子痕跡: chloride (Cl^-): ≤0.005%; hexafluorosilicate (SiF₆^2-): ≤0.05%; sulfate (SO₄^2-): ≤0.005%
• 正離子痕跡: Fe: ≤0.001%; Na: ≤0.2%; excess alkali: ≤0.05% (as KOH); heavy metals (as Pb): ≤0.001%
• 儲存溫度: 2-30°C
• InChI: 1S/FH.K/h1H;/q;+1/p-1
• InChI 密鑰: NROKBHXJSPEDAR-UHFFFAOYSA-M

说明

應用

• Preanalytical factors influencing the results of ethanol analysis in postmortem specimens.: This study explores various preanalytical factors that affect the accuracy of ethanol analysis in postmortem specimens. Potassium fluoride is highlighted for its role in preventing the postmortem production of ethanol, thus ensuring reliable analytical results (Olds & Jones, 2024).


• Enantioselective Synthesis of Chiral 2-Nitroallylic Amines via Cooperative Cation-Binding Catalysis.: This study reports the enantioselective synthesis of chiral 2-nitroallylic amines using a cooperative cation-binding catalysis approach involving potassium fluoride. It highlights the compound′s efficacy in asymmetric synthesis, an important area in organic chemistry (Park et al., 2023).


• Synthesis of Sulfonyl Fluorides Using Direct Chloride/Fluoride Exchange in Potassium Fluoride and Water/Acetone.: The article presents a method for synthesizing sulfonyl fluorides using direct chloride/fluoride exchange in potassium fluoride and water/acetone, highlighting a practical and efficient approach to synthesizing these important compounds in organic chemistry (Bare, 2023).

分析報告

Assay (precipitative titration): ≥ 99.0 %
Free alkali (as KOH): ≤ 0.05 %
Free acid (as HF): ≤ 0.05 %
Chloride (Cl): ≤ 0.005 %
Hexafluorosilicate (SiF₆): ≤ 0.05 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Na (Sodium): ≤ 0.2 %

法律資訊

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 象形圖: GHS05,GHS06
• 訊號詞: Danger
• 危險聲明: H301 + H311 + H331 - H318
• 防範說明: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• 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: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable