1.04994

Potassium fluoride

for analysis EMSURE^® ACS

• Synonyme(s) : Potassium fluoride
• Formule empirique (notation de Hill): FK
• Numéro CAS: 7789-23-3
• Poids moléculaire : 58.10
• Numéro MDL: MFCD00011398
• Code UNSPSC : 12352302
• Numéro de classement CE : 232-151-5
• Nomenclature NACRES : NA.21

Propriétés

• Qualité: ACS reagent
• Niveau de qualité: 300
• Pression de vapeur: 1.3 hPa ( 885 °C)
• Gamme de produits: EMSURE^®
• Pureté: ≥99.0% (precipitation titration)
• Forme: solid
• Puissance: 245 mg/kg LD₅₀, oral (Rat)
• Impuretés: ≤0.05% Free acid (as HF)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• Point d'ébullition: 1505 °C/1013 hPa
• Pf: 846 °C
• Solubilité: 923 g/L
• Densité: 2.48 g/cm³ at 20 °C
• Masse volumique apparente: 400 kg/m³
• Traces d'anions: chloride (Cl^-): ≤0.005%; hexafluorosilicate (SiF₆^2-): ≤0.05%; sulfate (SO₄^2-): ≤0.005%
• Traces de cations: Fe: ≤0.001%; Na: ≤0.2%; excess alkali: ≤0.05% (as KOH); heavy metals (as Pb): ≤0.001%
• Température de stockage: 2-30°C
• InChI: 1S/FH.K/h1H;/q;+1/p-1
• Clé InChI: NROKBHXJSPEDAR-UHFFFAOYSA-M

Description

Application

• 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).

Remarque sur l'analyse

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 %

Informations légales

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

Informations sur la sécurité

• Pictogrammes: GHS05,GHS06
• Mention d'avertissement: Danger
• Mentions de danger: H301 + H311 + H331 - H318
• Conseils de prudence: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Classification des risques: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
• Code de la classe de stockage: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable