octadecamethyloctasiloxane

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Names

[ CAS No. ]:
556-69-4

[ Name ]:
octadecamethyloctasiloxane

[Synonym ]:
octadecamethyl-octasiloxane
Octadecamethyloctasiloxan
Hexameres Dimethylsiloxan
Octasiloxane,octadecamethyl
Octasiloxane,1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,15-octadecamethyl
Oktadekamethyloktasiloxan
EINECS 209-138-8

Chemical & Physical Properties

[ Density]:
0.925g/cm3

[ Boiling Point ]:
409.1ºC at 760mmHg

[ Molecular Formula ]:
C18H54O7Si8

[ Molecular Weight ]:
607.30100

[ Flash Point ]:
192.1ºC

[ Exact Mass ]:
606.20200

[ PSA ]:
64.61000

[ LogP ]:
6.98320

[ Index of Refraction ]:
1.423

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Hexamethyldisiloxane
  • Octamethylcyclotetrasiloxane
  • Ethoxy(trimethyl)silane
  • Diethoxydimethylsilane

DownStream

Related Compounds

  • N-(5-Chloro-2-methylphenyl)-2,4-dinitro-6-(trifluoromethyl)benzenamine
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • tert-butyl N-{4-fluoro-3-[2-(1-hydroxycyclopropyl)ethyl]phenyl}carbamate
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 2-(5-cyclopentyl-1-{[1-(hydroxymethyl)cyclopropyl]methyl}-1H-1,2,3-triazol-4-yl)acetonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 3,3-Difluoro-3-(1,3-oxazol-5-yl)propanoic acid