Trimethyl Borate

Description

Trimethyl Borate (TMB)
Trimethyl Borate (CH3O)3B
CAS Registry No.: 121-43-7
Product description
Trimethyl Borate (trimethoxyborane) is colourless liquid at room temperature having potential applications - as a reagent in organic synthesis, for instance in Suzuki coupling - as a solvent in chemical processes - as a precursor for organic boron esters - a flux for gas brazing and welding - as a wood preservative
Product properties
Trimethyl borate is available as a 70 % methanol azeotrope, as well as a 98,5 % and a 99,8% pure products.
Molecular weight 103,91 g/mol
Boiling temperature 68 – 69 °C pure trimethyl borate 52 – 55 °C trimethyl borate azeotrope
Flash point -7°C
Relative density 0,92 kg/dm3 (25°C)pure trimethyl borate 0,88 kg/dm3 (25°C) trimethyl borate azeotrope
Decomposes in contact with water. Trimethyl borate is miscible with THF, ether, isopropylamine, hexane and methanol.
Storage and handling
Keep containers tightly closed in a dry, cool and wellventilated place. Keep away from open flames, hot surfaces and sources of ignition. Take precautionary measures against static discharge. Use only in area provided with appropriate exhaust ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Avoid contact with skin and eyes. Before using trimethyl borate please check carefully the information on handling and precautions from the Safety Data Sheet of our product. The instructions of the local authorities are to be observed.

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