Trimethyloxonium Tetrafluoroborate CAS 420-37-1

Trimethyloxonium Tetrafluoroborate CAS 420-37-1

Product Identification

Chemical name: Trimethyloxonium Tetrafluoroborate

Synonyms: Trimethoxonium fluoroborate

CAS No.: 420-37-1

Molecular formula: C3H9OBF4

Molecular weight: 147.91

Boiling point: 200 °C


Appearance: White to off-white solid

Purity: 98.00%min by titration

Moisture: 0.50%max by KF

Clarity of solution: 2.5%(wt%) water solution colorless and clear


Regular Packing: N.W 1kg/foil vacuum bag

Sample Packing: 0.1kg-1kg foil vacuum bag or under request

Transportation Information

Classification: 8

UN: 3261


HS Code: 2942000000

Status & Application

Commercial available

Trimethyloxonium Tetrafluoroborate [420-37-1] is a strong electrophilic methylation reagent for the methylation of hydroxyl groups. It can be used for complex multi-step synthesis of marine natural products.

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