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Molecular formula : C3H9BO3
MW : 103.91
CAS No. :121-43-7
nature : humidity liquid in the air and smoke. -29.3 ° C melting point, boiling point of 68-69 ° C, with the formation of azeotropic mixture of methanol, a total boiling point 55 ° C, relative density (20 / 4) 0.920, the refractive index (nD25) 1.3543 (1.3548). Burns easily, and -1 ° C flashpoint. With ether, methanol, tetrahydrofuran, such as hexane and Isopropylamine miscible. Absolute stability of the state, water is decomposed into methanol and boric acid.
Preparation : synthesis methods can be used, such as from the pyridine - BF3 complex to make, or methanol, boron trifluoride; Methanol, boric acid; Methyl original silicon, boron and other halogenated Preparation.
purposes : potassium (sodium), the boron-hydrogen intermediates. Vulcanizing agent, wood preservatives, catalyst, gelling agent, thermal stabilizers, hydrogen flame extinguishing agent, also used fire-retardant treated cotton, and the preparation of silica activity, and for carbohydrate derivatives GC analysis reagents.
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