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Octamethyltrisiloxane

CAT: 0572-TRC-O237150-5GSize: 5 gDry Ice: NoHazardous: Yes
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CAT#:0572-TRC-O237150-5GSize:5 g
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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CAS Number
107-51-7
Synonyms
Trisiloxane, 1,1,1,3,3,5,5,5-octamethyl- (ACI); 1,1,1,3,3,5,5,5-Octamethyltrisiloxane (ACI); 1,1,1,3,3,5,5,5-Octamethyltrisiloxane; Trisiloxane, octamethyl- (6CI, 8CI, 9CI); Dimethylbis(trimethylsiloxy)silane; Dow Corning OS 20; Dowsil OS 20; FRD 20; KF 96A1cs; KF 96L1.0; MDM; MDM (siloxane); OS 20; OS 20 Fluid; Pentamethyl(trimethylsiloxy)disiloxane; Pentamethyl(trimethylsilyloxy)disiloxane; R 030007
Hazard Statement
Flammable liquid and vapour; UN number: UN1993; Packing Group: III
Purity
>95% (GC)
Smiles
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
Molecular Formula
C8 H24 O2 Si3
Molecular Weight
236.532
InChI
InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
Additionnal Information
IUPAC name: dimethyl-bis(trimethylsilyloxy)silane
Shipping Conditions
Room Temperature
Storage Conditions
+4°C

Chemical Information

Octamethyltrisiloxane

Octamethyltrisiloxane is an organosiloxane that is trisiloxane in which all the hydrogens have been replaced by methyl groups.

CAS Number107-51-7
PubChem CID24705
IUPAC Namedimethyl-bis(trimethylsilyloxy)silane
Molecular FormulaC8H24O2Si3
Molecular Weight236.53
Topological Polar Surface Area18.5
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count4
Heavy Atom Count13
Formal Charge0
Complexity149
SMILES
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
InChI
InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
InChIKey
CXQXSVUQTKDNFP-UHFFFAOYSA-N
Chemical Structure
2D Structure
2D structure of Octamethyltrisiloxane
CAS: 107-51-7
CID: 24705
Formula: C8H24O2Si3
MW: 236.53
Interactive 3D Structure
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View on PubChemRaw 3D data
Computed Properties
PropertyValue
Molecular Weight236.53
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count4
Exact Mass236.10840961
Monoisotopic Mass236.10840961
Topological Polar Surface Area18.5 Ų
Heavy Atom Count13
Formal Charge0
Complexity149
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count1
Compound Is CanonicalizedYes

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