1.04994

Potassium fluoride

for analysis EMSURE^® ACS

• 동의어(들): Potassium fluoride
• 실험식(Hill 표기법): FK
• CAS Number: 7789-23-3
• Molecular Weight: 58.10
• MDL number: MFCD00011398
• UNSPSC 코드: 12352302
• EC 인덱스 번호: 232-151-5
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 300
• vapor pressure: 1.3 hPa ( 885 °C)
• 제품 라인: EMSURE^®
• 분석: ≥99.0% (precipitation titration)
• 형태: solid
• 효능: 245 mg/kg LD₅₀, oral (Rat)
• 불순물: ≤0.05% Free acid (as HF)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• bp: 1505 °C/1013 hPa
• mp: 846 °C
• solubility: 923 g/L
• density: 2.48 g/cm³ at 20 °C
• 벌크 밀도: 400 kg/m³
• 음이온 미량물: chloride (Cl^-): ≤0.005%; hexafluorosilicate (SiF₆^2-): ≤0.05%; sulfate (SO₄^2-): ≤0.005%
• 양이온 미량물: Fe: ≤0.001%; Na: ≤0.2%; excess alkali: ≤0.05% (as KOH); heavy metals (as Pb): ≤0.001%
• 저장 온도: 2-30°C
• InChI: 1S/FH.K/h1H;/q;+1/p-1
• InChI key: NROKBHXJSPEDAR-UHFFFAOYSA-M

설명

애플리케이션

• 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).

분석 메모

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 %

법적 정보

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

안전성 정보

• 픽토그램: GHS05,GHS06
• 신호어: Danger
• 유해 및 위험 성명서: H301 + H311 + H331 - H318
• 예방조치 성명서: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
• Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable