Tetramethyldisiloxane (TMDSO)

Physical and Chemical Properties

Molecular Formula: C4H14OSi2 

Molecular Weight: 134.32
CAS No.: 3277-26-7 

UN No.: 2924
Boiling Point: 70-71¡æ 

Melting Point: £¼-78¡æ
Flash Point: -20¡æ 

Relative Density (water=1): 0.74 -0.76

Technological Index

Application and Usage

It is a colorless transparent liquid, soluble in aromatic hydrocarbons, petroleum hydrocarbons and many kinds of organic solvents, insoluble in water. It¡¯s widely used as a silicone intermediate in the functional end-capped polysiloxane, high performance silicone surfactant, liquid silicone rubber, modified silicone oil, plastic and resin etc.

Package, Storage and Handling

N.W 125KG/Steel drum or ISO Tank.
Storage at ventilate and dry place and prevention from water, heat and fire, storage temperature -50¡æ ¡«45¡æ, recommended storage conditions 2¡æ ¡«8¡æ and sensitive with the wet environment. It should be kept away from oxidant, acid and alkali. Handling according to hazardous substances and prevention from exposing to sunlight and rain. Be careful when loading and unloading to avoid damages of the package.