chempirical

Octamethylcyclotetrasiloxane

C8H24O4Si4CAS 556-67-2296.62 g/mol

Open in Covalent MOL file
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Properties

Molecular formula
C8H24O4Si4
Molar mass
296.62 g/mol
Exact mass
296.0752 Da
Density
0.96 g/mL
Melting point
17.5 °C
Boiling point
175 °C
Flash point
55 °C (closed cup)
Water solubility
56 µg/L (23 °C)
logP
2.87Crippen estimate
Polar surface area
36.9 Ų
H-bond donors / acceptors
0 / 4
Rotatable bonds
0

Hazards

Warning
Health Hazard (GHS08)Environmental Hazard (GHS09)

Harmonised EU classification (CLP Annex VI, index 014-018-00-1), via PubChem.

Precautionary statements

P203, P273, P280, P318, P391, P405, P501

Identifiers

CAS number
556-67-2
SMILES
C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
InChIKey
HMMGMWAXVFQUOA-UHFFFAOYSA-N
InChI
InChI=1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

42 names · show all
  • Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-
  • Cyclotetrasiloxane, octamethyl-
  • 2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane
  • NUC Silicone VS 7207
  • Union carbide 7207
  • SF 1173
  • UC 7207
  • VS 7207
  • Cyclic dimethylsiloxane tetramer
  • KF 994
  • SH 344
  • Abil K 4
  • Octamethylcyclotetrasiloxanes
  • Silbione V 2
  • Dow corning 244
  • Dow corning 344
  • Volasil 244
  • DC 344
  • Mirasil CM 4
  • TSF 404
  • LS 8620
  • D 4
  • Dabco DC 5258
  • DC 5258
  • Tetracyclomethicone
  • Y 7175
  • NSC 345674
  • SH 244
  • Silbione 70045V2
  • DC 244
  • Dow corning 244 fluid
  • DWQ 110
  • DWQ 120
  • PMX 0110
  • XF 3803
  • YF 393
  • ZBH 270
  • SH 244 Fluid
  • SH 30
  • Additive 8030
  • 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
  • L 6907

Work with Octamethylcyclotetrasiloxane

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Dodecamethylcyclohexasiloxane540-97-6100 % similar Decamethylcyclopentasiloxane541-02-6100 % similar Hexamethylcyclotrisiloxane541-05-9100 % similar Tetradecamethylhexasiloxane107-52-869 % similar Decamethyltetrasiloxane141-62-869 % similar Dodecamethylpentasiloxane141-63-969 % similar Octamethyltrisiloxane107-51-762 % similar 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane995-82-453 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia