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Merck
CN

90355

Sigma-Aldrich

Triethylamine trihydrofluoride

purum, ~37% HF basis (T)

Synonym(s):

Hydrogen fluoride triethylamine, TREAT-HF

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About This Item

Linear Formula:
(C2H5)3N · 3HF
CAS Number:
73602-61-6
Molecular Weight:
161.21
Beilstein:
5522945
EC Number:
277-550-5
MDL number:
MFCD00043294
UNSPSC Code:
12352101
PubChem Substance ID:
24889351

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grade

purum

concentration

~37% Hf (T)

refractive index

n20/D 1.3915 (lit.)

bp

70 °C/15 mmHg (lit.)

density

0.989 g/mL at 25 °C (lit.)

SMILES string

F[H].F[H].F[H].CCN(CC)CC

InChI

1S/C6H15N.3FH/c1-4-7(5-2)6-3;;;/h4-6H2,1-3H3;3*1H

InChI key

IKGLACJFEHSFNN-UHFFFAOYSA-N

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Other Notes

Versatile fluorinating agent for the synthesis of acid fluorides, alkyl fluorides etc.; Cleavage of TBDMS protection

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Removal of t-butyldimethylsilyl protection in RNA-synthesis. Triethylamine trihydrofluoride (TEA, 3HF) is a more reliable alternative to tetrabutylammonium fluoride (TBAF).
E Westman et al.
Nucleic acids research, 22(12), 2430-2431 (1994-06-25)
R. Franz
Journal of Fluorine Chemistry, 15, 423-423 (1980)
G. Haufe et al.
Tetrahedron Letters, 27, 4449-4449 (1986)
G. Haufe et al.
Tetrahedron Letters, 29, 2311-2311 (1988)
G. Alvernhe et al.
Synthesis, 562-562 (1987)
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