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176230

Sigma-Aldrich

Triethyloxonium tetrafluoroborate solution

1.0 M in methylene chloride

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Synonym(s):
Et3OBF4, Meerwein′s reagent, Triethyloxonium fluoroborate
Linear Formula:
(C2H5)3O(BF4)
CAS Number:
368-39-8
Molecular Weight:
189.99
Beilstein:
3598090
MDL number:
MFCD00044423
UNSPSC Code:
12352001
PubChem Substance ID:
24850566
NACRES:
NA.22

Quality Level

100

concentration

1.0 M in methylene chloride

density

1.328 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

F[B-](F)(F)F.CC[O+](CC)CC

InChI

1S/C6H15O.BF4/c1-4-7(5-2)6-3;2-1(3,4)5/h4-6H2,1-3H3;/q+1;-1

InChI key

IYDQMLLDOVRSJJ-UHFFFAOYSA-N

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Application

Used in the preparation of ω-aminoesters from lactams.

Signal Word

Danger

Hazard Statements

H314,H336,H351

Hazard Classifications

Carc. 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

EUH014

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Synthetic Communications, 18, 1625-1625 (1988)
J Aguado et al.
Biotechnology and applied biochemistry, 17 ( Pt 1), 49-55 (1993-02-01)
beta-Glucosidase from Penicillium funiculosum was immobilized on nylon powder previously activated with triethyloxonium tetrafluoroborate, 1,2-diaminoethane and glutaraldehyde. The activation of the nylon powder and the immobilization processes were studied and optimized for the enzyme and the matrix. A high activity
Some detoxification methods for N-nitrosamine-contaminated wastes.
M Castegnaro et al.
IARC scientific publications, (41)(41), 151-157 (1982-01-01)
Enea Pagliano et al.
Analytical chemistry, 84(5), 2592-2596 (2012-02-11)
The alkylation of nitrite and nitrate by triethyloxonium tetrafluoroborate allows determination of their ethyl esters by headspace gas chromatography/mass spectrometry (GC/MS). In the present study, significant improvement in analytical performance is achieved using negative chemical ionization providing detection limits of
R Ben Avraham et al.
FEBS letters, 180(2), 239-242 (1985-01-28)
Treatment of trypsin with triethyloxonium tetrafluoroborate at pH 8, 25 degrees C, results in abolition of binding to the enzyme of specific cationic substrates and inhibitors. The binding constant of soybean trypsin inhibitor to ethylated trypsin is 10000-fold smaller than
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