Tetrakis(trimethylsilyl) orthosilicate

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Names

[ CAS No. ]:
3555-47-3

[ Name ]:
Tetrakis(trimethylsilyl) orthosilicate

[Synonym ]:
Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)-
1,1,1,5,5,5-hexamethyl-3,3-bis-trimethylsilanyloxy-trisiloxane
1,1,1,5,5,5-Hexamethyl-3,3-bis-trimethylsilyloxy-trisiloxan
Tetrakis(trimethylsilyl) orthosilicate
MFCD00051587
3.3-Bis-trimethylsiloxy-hexamethyltrisiloxan
Orthokieselsaeure-tetrakis-trimethylsilylester
EINECS 222-613-4
Tetrakis-trimethylsilyloxy-silan
Tetrakis-trimethylsiloxy-silan
Silicic acid (HSiO), tetrakis(trimethylsilyl) ester
Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-
Tetrakis(trimethylsiloxy)silane
Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis((trimethylsilyl)oxy)-

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
284.4±23.0 °C at 760 mmHg

[ Melting Point ]:
-60ºC

[ Molecular Formula ]:
C12H36O4Si5

[ Molecular Weight ]:
384.839

[ Flash Point ]:
117.4±23.0 °C

[ Exact Mass ]:
384.145996

[ PSA ]:
36.92000

[ LogP ]:
8.31

[ Appearance of Characters ]:
liquid

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.417

[ Storage condition ]:
2~8 ℃

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36

[ WGK Germany ]:
3

[ HS Code ]:
2931900090

Precursor & DownStream

Precursor

  • Tetraethyl orthosilicate
  • Hexamethyldisiloxane
  • Ethanol
  • Methanol
  • TMOS
  • Ethoxy(trimethyl)silane
  • tris(Trimethylsilyloxy)silanol
  • Vinyltrimethylsilane
  • Tetrachlorosilane
  • Sodium trimethylsilanolate

DownStream

  • HEXAKIS(TRIMETHYLSILOXY)DISILOXANE
  • Fluoro(trimethyl)silane
  • TMS

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

  • Tetrakis(trimethylsilyl) fluoromethanediphosphonate
  • tetrakis(trimethylsilyl)silane
  • tetrakis(trimethylsilyl)diphosphane
  • tetrakis(trimethylsilyl)tetrahedrane
  • tetrakis((trimethylsilyl)methyl)indium(III)
  • Tetrakis[(trimethylsilyl)oxy]succinic acid bis(trimethylsilyl) ester