Octamethylcyclotetrasiloxane Properties, Molecular Formula, Applications - WorldOfChemicals

Octamethylcyclotetrasiloxane Properties

Octamethylcyclotetrasiloxane

Molecule Structure Image

Description

 

Octamethylcyclotetrasiloxane is a non-oily silicone fluid used primarily to make other silicone materials. It is also used as treating agent for rubber stuffing, raw material for cosmetics, waterproofing agent, lubricant for vacuum devices and in the electronics industry.

Chemical Properties

Appearance Colorless Clear Liquid
Boiling Point 175-176oC
CAS Number 556-67-2
ChEBI 25640
Density 0.956 g/ml
EINECS Number 209-136-7
IUPAC Name 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
InChI 1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3
InChIKey HMMGMWAXVFQUOA-UHFFFAOYSA-N
Melting Point 17-18oC
Molar Mass 296.61 g/mol
Molecular Formula C8H24O4Si4
RTECS Number GZ4397000
Refractive n20/D 1.396
Solubility Insoluble
Synonyms Dimethylcyclosiloxane;Cyclotetrasiloxane,Octamethyl-;Cyclic Dimethylsiloxane Tetramer;DWQ 120;Dabco DC 5258;Dow Corning 244;Mirasil CM 4;NSC 345674;NUCSilicone VS 7207
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