Hexamethylsilazane, colorless transparent liquid. Easy to hydrolyze, release NH3, generate hexamethyldisilazane. In the presence of a catalyst, it reacts with alcohol or phenol to generate trimethylalkoxysilane or trimethylaryloxysilane. It reacts with anhydrous hydrogen chloride to release NH3 or NH4Cl to generate trimethylchlorosilane. It can be prepared by the reaction between trimethylchlorosilane and NH3. It is used as a surface hydrophobic treatment agent for fumed silica and a reagent for providing N atoms in organic synthesis reactions. It can also be used as an auxiliary agent for silicon carbide fibers to improve the heat resistance and strength of silicon carbide fibers. It can also be used as a coating agent. Anti-settling agent. And for the preparation of organosilicon compounds.

Uses of Hexamethylsilazane
1. Pharmaceutical intermediates, involving amikacin, penicillin, cephalosporin, fluorouracil and various penicillin derivatives.
2. Organosilicon downstream products, methyl vinyl silicone rubber, white carbon black, diatomaceous earth treatment agent.
3. Semiconductor industry, bonding aid for photoresist.

Hexamethyldisiloxane (silicon ether, MM capping agent), colorless transparent liquid, easy to deliquescence. Insoluble in water, soluble in various organic solvents. Used as silicone oil, silicone rubber, medicine, gas chromatography stationary liquid, analytical reagent, water repellent, etc. By the hydrolysis of trimethyl chlorosilane in the system.

Uses of Hexamethyldisiloxane
1. Silicone oil head sealant.
2. Silicone rubber, medicine, gas chromatography stationary liquid, analytical reagent, water repellent.
3. Preparation of silazane feedstock.