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7789-29-9 molecular structure
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potassium fluoride hydrofluoride

ChemBase ID: 137650
Molecular Formular: F2K
Molecular Mass: 77.0951064
Monoisotopic Mass: 76.96051312
SMILES and InChIs

SMILES:
F.[F-].[K+]
Canonical SMILES:
F.[F-].[K+]
InChI:
InChI=1S/2FH.K/h2*1H;/q;;+1/p-1
InChIKey:
VBKNTGMWIPUCRF-UHFFFAOYSA-M

Cite this record

CBID:137650 http://www.chembase.cn/molecule-137650.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
potassium fluoride hydrofluoride
IUPAC Traditional name
potassium fluoride hydrofluoride
Synonyms
Potassium bifluoride
Potassium hydrogen difluoride
Potassium hydrogenfluoride
Potassium acid bifluoride solution
Potassium acid fluoride solution
Potassium fluoride hydrofluoride solution
Potassium monohydrogen difluoride solution
Potassium hydrogenfluoride solution
Potassium hydrogen difluoride
Potassium hydrogen fluoride
二氟氢化钾
二氟氢钾
氟氢化钾
二氟化氢钾
酸式氟化钾
氟化氢钾 溶液
氟化氢钾
CAS Number
7789-29-9
EC Number
232-156-2
MDL Number
MFCD00011403
Merck Index
147610
PubChem SID
24854367
24884664
24881842
162231912
PubChem CID
11829350

DATA SOURCES

DATA SOURCES

All Sources Commercial Sources Non-commercial Sources
Data Source Data ID
PubChem 11829350 external link

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
Acid pKa 3.17  H Acceptors
H Donor LogD (pH = 5.5) 0.3684526 
LogD (pH = 7.4) 0.36924794  Log P 0.14883864 
Molar Refractivity 1.6725 cm3 Polarizability 0.73904246 Å3
Polar Surface Area 0.0 Å2 Rotatable Bonds
Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
Soluble in water (39g/100ml), dilute alcohol. Insoluble in absolute alcohol expand Show data source
Apperance
Crystalline expand Show data source
Melting Point
239 °C(lit.) expand Show data source
239°C dec. expand Show data source
Density
1.136 g/mL at 25 °C expand Show data source
2.37 g/mL at 25 °C(lit.) expand Show data source
2.370 expand Show data source
Storage Warning
Hygroscopic expand Show data source
RTECS
TS6650000 expand Show data source
European Hazard Symbols
Corrosive Corrosive (C) expand Show data source
Toxic Toxic (T) expand Show data source
UN Number
1811 expand Show data source
3421 expand Show data source
UN1811 expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
3 expand Show data source
Hazard Class
8 expand Show data source
Packing Group
2 expand Show data source
II expand Show data source
Risk Statements
25-34 expand Show data source
Safety Statements
22-26-37-45 expand Show data source
TSCA Listed
expand Show data source
GHS Pictograms
GHS05 expand Show data source
GHS06 expand Show data source
GHS07 expand Show data source
GHS Signal Word
Danger expand Show data source
GHS Hazard statements
H301-H314 expand Show data source
H302-H314 expand Show data source
GHS Precautionary statements
P260-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A expand Show data source
P280-P301 + P310-P305 + P351 + P338-P310 expand Show data source
P280-P305 + P351 + P338-P310 expand Show data source
Personal Protective Equipment
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges expand Show data source
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges expand Show data source
Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter expand Show data source
RID/ADR
UN 1811 8/PG 2 expand Show data source
UN 3421 8/PG 2 expand Show data source
Purity
≥99.0% (F) expand Show data source
≥99.99% expand Show data source
99% expand Show data source
99+% (metals basis) expand Show data source
Concentration
3.0 M in H2O expand Show data source
Grade
purum p.a. expand Show data source
Cation Traces
Ca: ≤50 mg/kg expand Show data source
Cd: ≤50 mg/kg expand Show data source
Co: ≤50 mg/kg expand Show data source
Cu: ≤50 mg/kg expand Show data source
Fe: ≤50 mg/kg expand Show data source
Na: ≤5000 mg/kg expand Show data source
Ni: ≤50 mg/kg expand Show data source
Pb: ≤50 mg/kg expand Show data source
Zn: ≤50 mg/kg expand Show data source
Antion Traces
chloride (Cl-): ≤100 mg/kg expand Show data source
sulfate (SO42-): ≤100 mg/kg expand Show data source
Linear Formula
KHF2 expand Show data source

DETAILS

DETAILS

Sigma Aldrich Sigma Aldrich
Sigma Aldrich - 463671 external link
Application
Used in the hydrofluorination of unsaturated compounds.1
Sigma Aldrich - 663883 external link
Application
Reagent used to prepare potassium organotrifluoroborates from their corresponding boronic acids.4
Reactant for:
• Development of 18F-labeled trifluoroboroaryl-functionalized PAMAM dendron/biotin conjugates for targeting of HER-2 expressing cancer cells pretreated with avidin-conjugated antibody1
• Preparation of tetrabutylammonium trifluoroborates2
• Used as a nucleophile for charge delocalization and enhanced acidity in tricationic superelectrophiles3
Packaging
25, 100, 500 mL in poly bottle
Sigma Aldrich - 60344 external link
Other Notes
Fluorinating agent; preparation of 2-fluoro-sugars1; Monofluorination of inorganic phosphate2
Sigma Aldrich - 239283 external link
Packaging
2.5 kg in poly bottle
25, 500 g in poly bottle

REFERENCES

REFERENCES

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PATENTS

PATENTS

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INTERNET

INTERNET

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