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About This Item
CAS Number:
Beilstein:
4750151
MDL number:
UNSPSC Code:
12352301
PubChem Substance ID:
NACRES:
NA.22
form
liquid
Quality Level
composition
hydrogen fluoride, ~70%
pyridine, ~30%
density
1.1 g/mL at 20 °C (lit.)
storage temp.
−20°C
SMILES string
F[H].c1ccncc1
InChI
1S/C5H5N.FH/c1-2-4-6-5-3-1;/h1-5H;1H
InChI key
GRJJQCWNZGRKAU-UHFFFAOYSA-N
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General description
May contain or form low levels of calcium fluoride during storage. Presence of this does not impact the specification values.
Application
Convenient form of anhydrous HF, stable up to 50°C. Has been used for the preparation of β-fluoroamines from amino alcohols and for the fluorination of acetylenes.
Used together with hypervalent iodine(III) reagents for ipso-fluorination of para-substituted phenols providing cyclohexadienones. Employed with Selectfluor® (Catalog No. 439479) for geminal fluorination of 2,2-diaryl-1,3-dithiolanes.
Used together with hypervalent iodine(III) reagents for ipso-fluorination of para-substituted phenols providing cyclohexadienones. Employed with Selectfluor® (Catalog No. 439479) for geminal fluorination of 2,2-diaryl-1,3-dithiolanes.
Reactant for preparation of:
Reagent for:
- Epimers of shikimic acid with the features of fucosylated glycans via zinc-mediated reductive ring opening followed by a Barbier reaction
- Vaccinia H1-related (VHR) phosphatase inhibitor with a nonacidic phosphate-mimicking core structure
- Candidates for nucleic acid drugs
- ω-substituted gem-difluoroalkanes by oxidative desulfurization-difluorination
Reagent for:
- Halofluorination reactions
Legal Information
Selectfluor is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A
Storage Class Code
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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