1.04994

Potassium fluoride

for analysis EMSURE^® ACS

• Synonim(y): Potassium fluoride
• Wzór empiryczny (zapis Hilla): FK
• Numer CAS: 7789-23-3
• Masa cząsteczkowa: 58.10
• Numer MDL: MFCD00011398
• Kod UNSPSC: 12352302
• Numer indeksu EC: 232-151-5
• NACRES: NA.21

Właściwości

• klasa czystości: ACS reagent
• Poziom jakości: 300
• ciśnienie pary: 1.3 hPa ( 885 °C)
• linia produktu: EMSURE^®
• Próba: ≥99.0% (precipitation titration)
• Postać: solid
• siła działania: 245 mg/kg LD₅₀, oral (Rat)
• zanieczyszczenia: ≤0.05% Free acid (as HF)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• tw: 1505 °C/1013 hPa
• mp: 846 °C
• rozpuszczalność: 923 g/L
• gęstość: 2.48 g/cm³ at 20 °C
• gęstość nasypowa: 400 kg/m³
• ślady anionów: chloride (Cl^-): ≤0.005%; hexafluorosilicate (SiF₆^2-): ≤0.05%; sulfate (SO₄^2-): ≤0.005%
• ślady kationów: Fe: ≤0.001%; Na: ≤0.2%; excess alkali: ≤0.05% (as KOH); heavy metals (as Pb): ≤0.001%
• temp. przechowywania: 2-30°C
• InChI: 1S/FH.K/h1H;/q;+1/p-1
• Klucz InChI: NROKBHXJSPEDAR-UHFFFAOYSA-M

Opis

Zastosowanie

• 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).

Komentarz do analizy

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 %

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Piktogramy: GHS05,GHS06
• Hasło ostrzegawcze: Danger
• Zwroty wskazujące rodzaj zagrożenia: H301 + H311 + H331 - H318
• Zwroty wskazujące środki ostrożności: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Klasyfikacja zagrożeń: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
• Kod klasy składowania: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable