hexaethyl diorthosilicate

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Names

[ CAS No. ]:
2157-42-8

[ Name ]:
hexaethyl diorthosilicate

[Synonym ]:
disilicic acid hexaethyl ester
Hexaaethoxy-disiloxan
Hexaethoxydisiloxane
Hexaethyl diorthosilicate
Silicic acid,hexaethyl ester
Hexaaethyl-disilicat
Bis-triaethoxysilyl-aether
Dikieselsaeure-hexaaethylester
Silicic acid (H6Si2O7),hexaethyl ester
EINECS 218-469-7

Chemical & Physical Properties

[ Density]:
0.999g/cm3

[ Boiling Point ]:
273.9ºC at 760 mmHg

[ Melting Point ]:
16ºC

[ Molecular Formula ]:
C12H30O7Si2

[ Molecular Weight ]:
342.53300

[ Flash Point ]:
105.1ºC

[ Exact Mass ]:
342.15300

[ PSA ]:
64.61000

[ LogP ]:
2.09320

[ Vapour Pressure ]:
0.00935mmHg at 25°C

[ Index of Refraction ]:
1.423

Safety Information

[ HS Code ]:
2920909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Chloro(triethoxy)silane
  • Ethanol
  • Triethoxysilane
  • Sodium ethoxide
  • Tetraethyl orthosilicate
  • Hexachlorodisiloxane
  • triisocyanato(triisocyanatosilyloxy)silane
  • tris[2-(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yloxy)ethyl]amine
  • Chlor-pentakis(dimethylamino)-disiloxan
  • n-Butyllithium

DownStream

  • 2,2,4,4,6,6,8,8-octaethoxy-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
  • Hexavinyldisiloxane
  • Tetraethyl orthosilicate
  • monochloroethane

Customs

[ HS Code ]: 2920909090

[ Summary ]:
2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Related Compounds

  • hexaethyl pentane-1,1,1,5,5,5-hexacarboxylate
  • hexaethyl-N'''-chlorophosporimidic triamide
  • hexaethyl pentane-1,1,3,3,5,5-hexacarboxylate
  • hexaethyl triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetate
  • hexaethyl 2,2',2''-[(2,4,6-trioxo-1,3,5-triazine-1,3,5(2H,4H,6H)-triyl)tris(6,1-hexanediyliminocarbonyl)]trismalonate
  • hexaethyl-cyclotristannathiane