92605
Trimethyloxonium tetrafluoroborate
purum, ≥98.0% (T)
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About This Item
Linear Formula:
(CH3)3O(BF4)
CAS Number:
Molecular Weight:
147.91
EC Number:
206-994-4
UNSPSC Code:
12352101
PubChem Substance ID:
Beilstein/REAXYS Number:
3597303
MDL number:
InChI key
CZVZBKHWOFJNCR-UHFFFAOYSA-N
InChI
1S/C3H9O.BF4/c1-4(2)3;2-1(3,4)5/h1-3H3;/q+1;-1
SMILES string
C[O+](C)C.F[B-](F)(F)F
grade
purum
assay
≥98.0% (T)
storage temp.
2-8°C
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Application
A Meerwein salt, strong electrophilic methylating agent
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
supp_hazards
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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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
H M Liebich et al.
Journal of chromatography. A, 843(1-2), 237-245 (1999-07-10)
Trimethyloxonium tetrafluoroborate (TMO) is applied as derivatising reagent to transform urinary organic acids into their methyl esters. The method is suggested as an alternative to the use of diazomethane which is carcinogenic and explosive. In contrast to other methods avoiding
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
H M Liebich et al.
Journal of chromatography. B, Biomedical sciences and applications, 713(2), 427-432 (1998-09-24)
We developed a new sample preparation method for profiling organic acids in urine by GC or GC-MS. The method includes derivatisation of the organic acids directly in the aqueous urine using trimethyloxonium tetrafluoroborate as a methylating agent, extraction of the
V M Mahnir et al.
Toxicon : official journal of the International Society on Toxinology, 28(11), 1255-1263 (1990-01-01)
The toxin was treated with [14C]trimethyloxonium tetrafluoroborate or [3H]glycine methyl ester in the presence of 1-ethyl-3(3-dimethylaminopropyl) carbodiimide. Esterification of separate carboxyl groups with [14C]trimethyloxonium tetrafluoroborate decreased the toxicity no more than two-fold. Blocking of any single carboxyl group with [3H]glycine
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