Trimethyl borate is a chemical substance, a colorless liquid. Stable in dry air, hydrolyzed into methanol and boric acid when meeting with water. Miscible with ether, tetrahydrofuran, isopropylamine, hexane, methanol, liquid paraffin and other organic solvents. 70% trimethyl borate and 30% methanol can form an azeotrope. Trimethyl borate is prepared by reacting boric acid and methanol.
- Trimethyl borate is used as a derivatization reagent for gas chromatography analysis, a solvent, a flux, and a catalyst for the manufacture of ketones.
- Used as a dehydrogenating agent, insecticide, organic synthesis, semiconductor boron diffuser. It is an intermediate of potassium (sodium) borohydride.
- Used as a vulcanizing agent, wood preservative, catalyst, gelling agent, heat stabilizer, hydrogen flame extinguishing agent, also used for cotton flame retardant treatment and preparation of active silica, and as a reagent for gas chromatography analysis of carbohydrate derivatives.
- Solvent for paraffin, resin and petroleum. Aromatic halide reacts with methyl borate through Grignard reagent and hydrolyzes to generate phenol. Accelerator of diborane reaction. It is used as a doping source for semiconductors and also for the preparation of high-purity boron.
Production Method of Trimethyl Borate
Trimethyl borate can be synthesized by various methods, such as from pyridine-boron trifluoride complex, or from methanol, boron fluoride, methanol, boric acid, methyl orthosilicate, boron halide, etc.