Cfs-889 2, 4, 6, 8-Tetramethylcyclotetrasiloxane/Tmcts/D4h CAS No. 2370-88-9

Tetramethyl-clotetrasiloxane(D4H) RH-H102(D4H≥95%) Main Composition: 1,3,5,7-tetrahydro-1,3,5,7-tetramethyl-clotetrasiloxane

Product Details
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I.  Tetramethyl-clotetrasiloxane(D4H) RH-H102(D4H≥95%)


Product Name: Tetramethyl-cyclotetrasiloxane(D4H)

Main Composition: 1,3,5,7-tetrahydro-1,3,5,7-tetramethyl-clotetrasiloxane


Formula: C4H16O4Si4

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Molecular weight: 240.51

CAS: 2370-88-9


Character: 

Appearance: colourless transparent liquid

Purity:>95%

Visosity: 1-2cs

Boiling point: 135°C


Performance and Usage:

Tetramethyl-clotetrasiloxane, is an active siloxane with Si-H bond,it can have the addition reaction with unsaturated alkene.Relative to linear Poly-methyl hydrogen polysiloxane, it has little impurity, high purity, fixed connect, easy to change the formula's designing, and can be used to manufacture methyl hydrogen siloxane and modification siloxane with defined hydrogen content and chain quantity. For example, it can be used to produce high molecular weight hydrogen silicone oil, vulcanization rubber in room temperature, addition style liquid silicone rubber cross linker, compound poly siloxane liquid crystal high molecularity, and other kinds of modification silicone oil, such as Hydroxy polysiloxane, Polyether silicone oil, Siloxane silicone oil, Hydroxy silicone oil, Amino silicone oil, etc.

High purity of D4H also can be used as the  precursor of PCVD in Electricity industries,to form SiO2,SiC insulating film. 

Tetramethyl-clotetrasiloxane is also good impregnant of photolectric material.


UN Number: UN 1993 3/PG 3

HazardClass: 3

Packing Group: III


Package: 1 ton IBC drum,  50kg, 25KG, 200KG barrel.

Storage: Sealed and packed in cool and dried place, avoid from the contact with acid ,alkaline and fire.


We make continuous efforts to really improve the quality of Cfs-889 2, 4, 6, 8-Tetramethylcyclotetrasiloxane/Tmcts/D4h CAS No. 2370-88-9 and effectively drive the improvement of the quality of domestic related products. The company takes "dedication to green energy, creation of humanistic value" as the core philosophy, and we firmly adopt modern management mechanism. As always, we insist on being a long-term trusted partner of our customers.
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