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281077

Trimethyloxonium tetrafluoroborate

95%

Synonym(s):

Trimethyloxonium fluoroborate

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About This Item

Linear Formula:
(CH3)3O(BF4)
CAS Number:
420-37-1
Molecular Weight:
147.91
UNSPSC Code:
12352107
NACRES:
NA.22
PubChem Substance ID:
24856967
EC Number:
206-994-4
Beilstein/REAXYS Number:
3597303
MDL number:
MFCD00011798
Assay:
95%
Form:
solid
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Quality Segment

assay

95%

form

solid

functional group

ether

storage temp.

−20°C

SMILES string

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

InChI

1S/C3H9O.BF4/c1-4(2)3;2-1(3,4)5/h1-3H3;/q+1;-1

InChI key

CZVZBKHWOFJNCR-UHFFFAOYSA-N

General description

Trimethyloxonium tetrafluoroborate can be used as a methylating agent for the methylation of hydroxyl/carboxyl functional groups. It is capable of methylating polyfunctional carboxylic acids. It is also used as a catalyst for the polymerization of cyclic sulfides and ethers.

Application

Reagent for the methylation of hydroxyl groups recently used in a complex, multistep synthesis directed towards spirastrellolide, a marine natural product.

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Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Codes

H314

Hazard Classifications

Skin Corr. 1B

supp_hazards

EUH014

Storage Class

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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