Product

TRIMETHYLOXONIUM TETRAFLUOROBORATE

CAS No.：420-37-1

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TRIMETHYLOXONIUM TETRAFLUOROBORATE Basic information

Product Name:	TRIMETHYLOXONIUM TETRAFLUOROBORATE
Synonyms:	TRIMETHYLOXONIUM TETRAFLUOROBORATE;trimethyl-oxoniutetrafluoroborate(1-);trimethyloxonium tetrafluoroborate(1-);Trimethyloxonium tetrafluoroborate 98+%;Trimethyloxoniumtetrafluoroborate,C24%min;Trimethyloxonium tetrafluoroborate 98%;Trimethyloxoniumtetrafluoroborate,min.95%;Oxonium, trimethyl-, tetrafluoroborate(1-)
CAS:	420-37-1
MF:	C3H9BF4O
MW:	147.91
EINECS:	206-994-4
Product Categories:	halometallate salts;B (Classes of Boron Compounds);Iodonium Sulfonium & Oxonium Compounds;Oxonium Compounds;Tetrafluoroborates;Alkyl Transfer;C-X Bond Formation (Non-Halogen);Synthetic Reagents
Mol File:	420-37-1.mol

TRIMETHYLOXONIUM TETRAFLUOROBORATE Chemical Properties

Melting point	200 °C
storage temp.	Store at +2°C to +8°C.
solubility	Soluble in nitrobenzene, nitromethane, chloroform, hot acetone, liquid sulfur dioxide. Slightly soluble in dichloromethane. Insoluble in common organic solvents.
form	Crystals
color	White to off-white
Sensitive	Moisture Sensitive
BRN	3597303
InChIKey	JDFKFXJJAIJXPP-UHFFFAOYSA-M
CAS DataBase Reference	420-37-1(CAS DataBase Reference)
EPA Substance Registry System	Oxonium, trimethyl-, tetrafluoroborate(1-) (420-37-1)

Safety Information

Hazard Codes	C
Risk Statements	14-34
Safety Statements	26-36/37/39-43-45
RIDADR	UN 3261 8/PG 2
WGK Germany	3
F	3-10-21
Hazard Note	Corrosive/Freeze
TSCA	Yes
HazardClass	8
PackingGroup	II
HS Code	29420000

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

TRIMETHYLOXONIUM TETRAFLUOROBORATE Usage And Synthesis

Chemical Properties	white to off-white crystals
Uses	Trimethyloxonium Tetrafluoroborate is a trialkylated oxonium used as a methylation agent in organic synthesis.
Uses	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.
Uses	Reagent for the methylation of hydroxyl groups recently used in a complex, multistep synthesis directed towards spirastrellolide, a marine natural product.

TRIMETHYLOXONIUM TETRAFLUOROBORATE Preparation Products And Raw materials

Preparation Products

5-AMINO-3-BROMO-2-METHOXYPYRIDINE-->2-Methoxyethyl chloride-->DIPHENYL(METHYL)SULFONIUM TETRAFLUOROBORATE-->2-(METHYLTHIO)-2-THIAZOLINE-->METHYL 4-VINYLBENZOATE-->DELTALINE-->(R)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine-->5-Bromo-1,3-dimethyl-1H-pyrazole

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