90520
Triethyloxonium tetrafluoroborate
≥97.0% (T)
Synonym(s):
Et3OBF4, Meerwein′s reagent, Triethyloxonium fluoroborate
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About This Item
Linear Formula:
(C2H5)3O(BF4)
CAS Number:
Molecular Weight:
189.99
UNSPSC Code:
12352001
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3598090
Assay:
≥97.0% (T)
Form:
crystals
Quality Segment
assay
≥97.0% (T)
form
crystals
contains
1-3% ether as stabilizer
solubility
methylene chloride: 20 mg/mL, clear, colorless
functional group
ether
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
Application
Triethyloxonium tetrafluoroborate can be used:
- To prepare amino esters by reacting with lactams followed by hydrolysis.
- In the preparation of substituted imidazolines from aziridines and nitriles via [3+2]-cycloaddition reaction.
- For the N-alkylation of a series of N-arylsulfonyl-α-amino acid methyl esters having variable substituents at 4th position of the sulfonamide aromatic ring.
Other Notes
Powerful ethylating agent; Esterification of acids; Modifies carboxyl residues in proteins
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
supp_hazards
Storage Class
8A - Combustible corrosive hazardous materials
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