HEXAKIS(TRIMETHYLSILOXY)DISILOXANE

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Names

[ CAS No. ]:
18602-90-9

[ Name ]:
HEXAKIS(TRIMETHYLSILOXY)DISILOXANE

[Synonym ]:
1,1,1,7,7,7-Hexamethyl-3,3,5,5-tetrakis-trimethylsilyloxy-tetrasiloxan
1,1,1,7,7,7-hexamethyl-3,3,5,5-tetrakis-trimethylsilanyloxy-tetrasiloxane
Hexakis-trimethylsilyloxy-disiloxan
2.2.8.8-tetramethyl-4.4.6.6-tetrakis-trimethylsiloxy-2.4.6.8-tetrasila-3.5.7-trioxanonane

Chemical & Physical Properties

[ Density]:
0.925g/cm3

[ Boiling Point ]:
409.1ºC at 760 mmHg

[ Molecular Formula ]:
C18H54O7Si8

[ Molecular Weight ]:
607.30100

[ Flash Point ]:
192.1ºC

[ Exact Mass ]:
606.20200

[ PSA ]:
64.61000

[ LogP ]:
6.98320

[ Vapour Pressure ]:
1.57E-06mmHg at 25°C

[ Index of Refraction ]:
1.423

Safety Information

[ Safety Phrases ]:
S22-S24/25

[ HS Code ]:
2931900090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Trimethylsilyl acetate
  • tris(Trimethylsilyloxy)silanol
  • 2-methyl a l l y l t r i s -(trimethylsiloxy)silane
  • Chlorotrimethylsilane
  • Tetrakis(trimethylsilyl) orthosilicate
  • Trimethylsilyl iodide
  • Isopropanol
  • Hexamethyldisiloxane
  • Methanol
  • Ethanol

DownStream

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Related Compounds

  • hexakis(trimethylsiloxy)cyclotrisiloxane
  • 1,3-DIALLYLTETRAKIS(TRIMETHYLSILOXY)DISILOXANE
  • 1,3-bis(3-chloropropyl)tetrakis-(trimethylsiloxy)disiloxane,tech-95
  • 1,3-BIS(CHLOROMETHYL)-1,1,3,3-TETRAKIS(TRIMETHYLSILOXY)DISILOXANE
  • 1,3-BIS(3-(METHACRYLOXY)PROPYL)-1,1,3,3-TETRAKIS(TRIMETHYLSILOXY)DISILOXANE
  • Hexakis[(2H3)methyl]disiloxane
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 3-(Azetidin-3-yl)-1H-pyrazole dihydrochloride
  • 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
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide