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176230

Sigma-Aldrich

Triethyloxonium tetrafluoroborate solution

1.0 M in methylene chloride

Synonym(s):

Et3OBF4, Meerwein′s reagent, Triethyloxonium fluoroborate

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About This Item

Linear Formula:
(C2H5)3O(BF4)
CAS Number:
368-39-8
Molecular Weight:
189.99
Beilstein/REAXYS Number:
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.

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

supp_hazards

EUH014

Storage Class

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthetic Communications, 18, 1625-1625 (1988)
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
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
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)
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