Hexamethyldisilazane

Synonym: HMDS; 1,1,1,3,3,3-Hexamethyldisilazane; Dynasylan HMDS; Bis(trimethylsilyl)amine

CAS No.:999-97-3

Molecular formula:(CH3)3SiNHSi(CH3)3    

Molecular Weight:161.39

Properties: Colorless, transparent, and toxic liquid with amine smell.

Applications: Agent for special organic synthesis. An important silylating agent in the synthesis of Antibiotics, Anti-AIDS drugs, blood lipid-lowering drugs etc. The structure control agent for silicon and rubber. Surface treatment agents for diatomite, silica and titanium powder.; Cohesive additives for light etching agents in semiconductor industry., Also can use as the additives for silicon carbide fiber, improve the heat resistance and strength of silicon carbide fiber, used as anti-precipitation agent for coating, and used for making organic silicon compound.

Technical Index:

Content of Hexamethyldisilazane(%):  99.0min

Content of Hexamethyldisiloxane (%): 0.7max

Content of Trimethylsilanol(%):            0.3max

Refractive Index( ):                         1.408±0.002

Density(25℃) g/cm3:                          0.770-0.780

Boiling Point:                                      127℃

Flash Point:                                        7.4℃

Color:                                                 10max

Remark: Super grade ,Content is 99.5% min　　

Package: Iron drum，Net Weight:150kg、160kg
Storage: Store at -50℃-45℃, It is prohibited to contact open fire, and shall be kept ventilating, drying, and prevented from sunshine. It is easy to hydrolyze. It reacts hard when meeting acid substances, so it should be stored in a sealed tank. Storage Life:1year.

Transportation: It shall be prevented from collision, raindrenching and sunshine, transported and stored according to the standard for dangerous chemicals.