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281077

Trimethyloxonium tetrafluoroborate

Name: Trimethyloxonium tetrafluoroborate
Brand: ALDRICH

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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Properties

Quality Level

200

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

Description

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

GHS05

signalword

Danger

hcodes

H314

pcodes

P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363

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

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

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Toward the total synthesis of spirastrellolide A. Part 2: Conquest of the northern hemisphere.

Alois Fürstner et al.

Angewandte Chemie (International ed. in English), 45(33), 5510-5515 (2006-08-15)

Determination of organic acids in urine by solid-phase microextraction and gas chromatography-ion trap tandem mass spectrometry previous 'in sample' derivatization with trimethyloxonium tetrafluoroborate.

Marco Pacenti et al.

Biomedical chromatography : BMC, 22(10), 1155-1163 (2008-05-29)

A method for the determination of the organic acids directly in the urine employing derivatization with trimethyloxonium tetrafluoroborate as a methylating agent and sequential extraction by head space and direct immersion/solid phase microextraction is reported. Furoic acid, hippuric acid, methylhippuric

Novel method for simultaneous aqueous in situ derivatization of THC and THC-COOH in human urine samples: validation and application to real samples.

S Chericoni et al.

Journal of analytical toxicology, 35(4), 193-198 (2011-04-26)

The present work describes the validation of a novel aqueous in situ derivatization procedure with trimethyloxonium tetrafluoroborate (TMO) as methylating agent for the simultaneous, quantitative analysis of Δ(9)-tetrahydrocannabinol (THC) and 11-nor-Δ(9)-tetrahydrocannabinol carboxylic acid (THC-COOH) in human urine. The derivatizing agent

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Global Trade Item Number

SKU	GTIN
281077-100G	04065265906913
281077-10G	04061826214626
281077-1G	04061826671436