1.04994

Potassium fluoride

for analysis EMSURE^® ACS

• Sinônimo(s): Potassium fluoride
• Fórmula empírica (Notação de Hill): FK
• Número CAS: 7789-23-3
• Peso molecular: 58.10
• Número MDL: MFCD00011398
• Código UNSPSC: 12352302
• Número do índice EC: 232-151-5
• NACRES: NA.21

Propriedades

• grau: ACS reagent
• Nível de qualidade: 300
• pressão de vapor: 1.3 hPa ( 885 °C)
• linha de produto: EMSURE^®
• Ensaio: ≥99.0% (precipitation titration)
• forma: solid
• potência: 245 mg/kg LD₅₀, oral (Rat)
• Impurezas: ≤0.05% Free acid (as HF)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• pb: 1505 °C/1013 hPa
• pf: 846 °C
• solubilidade: 923 g/L
• densidade: 2.48 g/cm³ at 20 °C
• densidade volumétrica: 400 kg/m³
• traços de ânion: chloride (Cl^-): ≤0.005%; hexafluorosilicate (SiF₆^2-): ≤0.05%; sulfate (SO₄^2-): ≤0.005%
• traços de cátion: Fe: ≤0.001%; Na: ≤0.2%; excess alkali: ≤0.05% (as KOH); heavy metals (as Pb): ≤0.001%
• temperatura de armazenamento: 2-30°C
• InChI: 1S/FH.K/h1H;/q;+1/p-1
• chave InChI: NROKBHXJSPEDAR-UHFFFAOYSA-M

Descrição

Aplicação

• 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).

Nota de análise

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 %

Informações legais

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

Informações de segurança

• Pictogramas: GHS05,GHS06
• Palavra indicadora: Danger
• Frases de perigo: H301 + H311 + H331 - H318
• Declarações de precaução: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Classificações de perigo: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
• Código de classe de armazenamento: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable