Hexamethyldisiloxane, Hexamethyldisilane

                                                  1, Hexamethyldisiloxane

Synonym: HMDSO; Hexamethyl Disiloxane; MM; HMDO

CAS No.:107-46-0

Molecular Formula:(CH3)3SiOSi(CH3)3     

Molecular Weight:162.3

Properties: Colorless, transparent, and nontoxic liquid.

Applications: It is used as end capping agent, cleaning agent, and mould release agent mainly in the organic chemical industry and medicine chemical industry.

Technical Index:

Content of Hexamethyldisiloxane(%): 99.0min

Content of Silanol(%):                         1.0max

Refractive Index( ):                         1.3748

Density(25℃)g/cm3:                           0.762-0.770

Viscosity(25℃)mm2.s-1:                     0.65

Melting Point:                                      68℃

Boiling Point:                                      100℃

Flash Point:                                        1℃

Package: plastic 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. Storage life:2 years.
Transportation: It shall be prevented from collision, rain drenching and sunshine, transported and stored according to the standard for dangerous chemicals.    

                                                2, Hexamethyldisilane

Synonym: HMD ; Hexamethyl disilylamine

CAS No.:1450-14-2

Molecular formula:(CH3)3SiSi(CH3)3       

Molecular Weight:146.37

Properties: Colorless, transparent liquid with pleasant fruit odour. It doesn't dissolve into water, but it can dissolve into organic solvent, such as dimethyl benzene, benzol, dimethoxy-ethane, ect.

Applications: It is used in medical synthesis, and used as termination agent for the chain of polycarbosilane.

Technical Index:

Content of Hexamethyldisilane(%):   99.0min

Refractive Index():                         1.4224

Density(20℃)g/cm3:                           0.715

Boiling Point(℃):                                113

Melting Point(℃):                                12

Package: Iron drum or plastic drum.Net weight:130kg
Storage: Store at -45℃~45℃. It is prohibited to contact open fire, and shall be kept ventilating, drying, and avoided from contact with acids and alkalis. Storage life:1 year.
Transportation: It shall be transported and stored according to the standard for dangerous chemicals, and prevented from rain and sunshine.