1.04994

Potassium fluoride

for analysis EMSURE^® ACS

• Sinónimos: Potassium fluoride
• Fórmula empírica (notación de Hill): FK
• Número de CAS: 7789-23-3
• Peso molecular: 58.10
• Número MDL: MFCD00011398
• Código UNSPSC: 12352302
• Número índice de la CE: 232-151-5
• NACRES: NA.21

Propiedades

• grado: ACS reagent
• Nivel de calidad: 300
• presión de vapor: 1.3 hPa ( 885 °C)
• Línea del producto: EMSURE^®
• Análisis: ≥99.0% (precipitation titration)
• formulario: solid
• potencia: 245 mg/kg LD₅₀, oral (Rat)
• impurezas: ≤0.05% Free acid (as HF)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• bp: 1505 °C/1013 hPa
• mp: 846 °C
• solubilidad: 923 g/L
• densidad: 2.48 g/cm³ at 20 °C
• densidad aparente: 400 kg/m³
• trazas de anión: chloride (Cl^-): ≤0.005%; hexafluorosilicate (SiF₆^2-): ≤0.05%; sulfate (SO₄^2-): ≤0.005%
• trazas de catión: Fe: ≤0.001%; Na: ≤0.2%; excess alkali: ≤0.05% (as KOH); heavy metals (as Pb): ≤0.001%
• temp. de almacenamiento: 2-30°C
• InChI: 1S/FH.K/h1H;/q;+1/p-1
• Clave InChI: NROKBHXJSPEDAR-UHFFFAOYSA-M

Descripción

Aplicación

• 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 análisis

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 %

Información legal

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

Información de seguridad

• Pictogramas: GHS05,GHS06
• Palabra de señalización: Danger
• Frases de peligro: H301 + H311 + H331 - H318
• Consejos de prudencia: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Clasificaciones de peligro: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
• Código de clase de almacenamiento: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable