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Potassium fluoride

for analysis EMSURE® ACS

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Synonym(s):
Potassium fluoride
Empirical Formula (Hill Notation):
FK
CAS Number:
Molecular Weight:
58.10
MDL number:
EC Index Number:
232-151-5

grade

ACS reagent

Quality Level

vapor pressure

1.3 hPa ( 885 °C)

product line

EMSURE®

assay

≥99.0% (precipitation titration)

form

solid

potency

245 mg/kg LD50, oral (Rat)

impurities

≤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

bulk density

400 kg/m3

anion traces

chloride (Cl-): ≤0.005%
hexafluorosilicate (SiF62-): ≤0.05%
sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%
Na: ≤0.2%
excess alkali: ≤0.05% (as KOH)
heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

InChI

1S/FH.K/h1H;/q;+1/p-1

InChI key

NROKBHXJSPEDAR-UHFFFAOYSA-M

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Related Categories

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).

Analysis Note

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 %

Legal Information

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

pictograms

CorrosionSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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