Molecular properties
- Formula
- C8H24O4Si4
- Molar mass
- 296.62 g·mol−1
- Exact mass
- 296.0752 Da
- -3
- PubChem CID
- 11169
Molecule record
2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
C8H24O4Si4
296.62 g/mol
Loading structure
Functional groups
Alkane / alkyl carbon
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 209-136-7
- 556-67-2
- CHEBI:25640
- CZ227117JE
- Cyclic dimethylsiloxane tetramer
- Cyclomethicone 4
- Cyclotetrasiloxane, octamethyl-
- DTXCID107205
Show all 24 synonyms
- DTXSID7027205
- Dimethylsiloxane Cyclic Tetramer
- KF 994
- MFCD00003269
- NSC-345674
- NUC silicone VS 7207
- OCTAMETHYLCYCLOTETRASILOXANE
- OMCTS
- Oktamethylcyklotetrasiloxan
- Oktamethylzyklotetrasiloxan
- RefChem:167770
- SF 1173
- Silicone SF 1173
- UC 7207
- Union carbide 7207
- VS 7207
Structure identifiers
- Canonical SMILES
- C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
- Isomeric SMILES
- C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)C
- InChI
- 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
- PubChem CID
- 11169
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.