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Trimethyloxonium tetrafluoroborate, 96%

Product Code. 11432178
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Code produit 11432178 Fournisseur Thermo Scientific Alfa Aesar Code fournisseur A15175.30
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Estimated Shipment: 20-08-2026
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Description

CAS: 420-37-1 | C3H9BF4O | 147.91 g/mol

Trimethyloxonium tetrafluoroborate act as a avmethylating agent and activates C-X multiple bonds. It is involved in the esterification of polyfunctional carboxylic acids. It acts as a catalyst in the polymerization of cyclic sulfides and ethers. Further, it is used in Beckmann rearrangement of oximes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Trimethyloxonium tetrafluoroborate act as a avmethylating agent and activates C-X multiple bonds. It is involved in the esterification of polyfunctional carboxylic acids. It acts as a catalyst in the polymerization of cyclic sulfides and ethers. Further, it is used in Beckmann rearrangement of oximes.

Solubility
Soluble in nitrobenzene, nitromethane, chloroform, hot acetone, liquid sulfur dioxide. Slightly soluble in dichloromethane. Insoluble in common organic solvents.

Notes
Hygroscopic. Moisture sensitive. Store in a cool place. Incompatible with strong oxidizing agents and bases.
TRUSTED_SUSTAINABILITY

Identifiants chimiques

CAS 420-37-1
Molecular Formula C3H9BF4O
Molecular Weight (g/mol) 147.91
MDL Number MFCD00011798
InChI Key CZVZBKHWOFJNCR-UHFFFAOYSA-N
Synonym trimethyloxonium tetrafluoroborate, trimethyloxidanium tetrafluoroborate, tetrafluoroboranuide; trimethyloxidanium, trimethyloxonium fluoborate, acmc-209jn1, ksc236c1n, trimethyloxonium tetrafluroborate, trimethyloxonium tetrafloroborate, trimethyloxonium tetrafluorborate, trimethyloxonium tetraflouroborate
PubChem CID 2735153
SMILES C[O+](C)C.F[B-](F)(F)F

Spécification

Melting Point ∽190°C (decomposition)
Assay Percent Range 96%
Quantity 250 g
Beilstein 3597303
Sensitivity Moisture sensitive
Solubility Information Soluble in nitrobenzene,nitromethane,chloroform,hot acetone,liquid sulfur dioxide. Slightly soluble in dichloromethane. Insoluble in common organic solvents.
IUPAC Name tetrafluoroboranuide; trimethyloxidanium
Formula Weight 147.91
Chemical Name or Material Trimethyloxonium Tetrafluoroborate

RUO – Research Use Only

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