Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

663883

Sigma-Aldrich

Potassium hydrogenfluoride solution

3.0 M in H2O

Synonym(s):

Potassium acid bifluoride solution, Potassium acid fluoride solution, Potassium bifluoride, Potassium fluoride hydrofluoride solution, Potassium hydrogen difluoride, Potassium monohydrogen difluoride solution

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
KHF2
CAS Number:
7789-29-9
Molecular Weight:
78.10
MDL number:
MFCD00011403
UNSPSC Code:
12352302
PubChem Substance ID:
24884664
NACRES:
NA.22

Quality Level

100

concentration

3.0 M in H2O

density

1.136 g/mL at 25 °C

SMILES string

F.[F-].[K+]

InChI

1S/2FH.K/h2*1H;/q;;+1/p-1

InChI key

VBKNTGMWIPUCRF-UHFFFAOYSA-M

Related Categories

Application

Reactant for:
  • Development of 18F-labeled trifluoroboroaryl-functionalized PAMAM dendron/biotin conjugates for targeting of HER-2 expressing cancer cells pretreated with avidin-conjugated antibody
  • Preparation of tetrabutylammonium trifluoroborates

  • Used as a nucleophile for charge delocalization and enhanced acidity in tricationic superelectrophiles
Reagent used to prepare potassium organotrifluoroborates from their corresponding boronic acids.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBK2306
SHBD0105V
79696DM
64396BM
47296HK

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Gary A Molander et al.
Organic letters, 8(10), 2031-2034 (2006-05-05)
[reaction: see text] Potassium bromo- and iodomethyltrifluoroborates have been prepared via in situ reaction of n-BuLi with dibromo- and diiodomethane, respectively, in the presence of trialkyl borates, followed by treatment with KHF(2). Moreover, a new synthetic method for the preparation
Reaction of 2-deoxy-6-O-[2,3-dideoxy-4,6-O-isopropylidene-2,3- (N-tosylepimino)-alpha-D-mannopyranosyl]-4,5-O-isopropylidene-1,3-di-N- tosylstreptamine with potassium hydrogenfluoride.
Y Kobayashi et al.
Carbohydrate research, 229(2), 363-368 (1992-05-22)
Gary A Molander et al.
The Journal of organic chemistry, 73(17), 6841-6844 (2008-08-07)
A number of alkynyl pinacolboronates bearing various functional groups were synthesized according to literature methods. These were then stereoselectively reduced to the cis-alkenyl pinacolboronates via hydroboration with dicyclohexylborane followed by chemoselective protodeboronation using acetic acid. Treatment with potassium hydrogen fluoride
Matthew J Hesse et al.
Angewandte Chemie (International ed. in English), 51(50), 12444-12448 (2012-11-07)
E-allylic boronic esters undergo a highly diastereoselective protodeboronation with TBAF⋅3 H(2)O to give Z-trisubstituted alkenes. The selectivity can be switched to give predominantly the E-alkene instead by using KHF(2)/TsOH (see scheme). The utility of the methodology has been illustrated in a

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service