colorless liquid, slightly smelling. The melting point is -77 C, and the boiling point is 165.5 C. It dissolves in water and dissolves in ethanol and ether. Precipitate and precipitate in wet air. When there is no water, it is stable and does not decompose when distilled. It can be mixed with ethanol and ether, slightly soluble in benzene, almost insoluble in water, but can be gradually decomposed into silicon oxide . Flammable. There is a high concentration of anesthetic in high concentration. It's exciting. Main uses: used as thermal protection coatings, chemical resistant coatings, organic synthesis