1,1,1,3,5,7,7,7-Octamethyltetrasiloxane

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Names

[ CAS No. ]:
16066-09-4

[ Name ]:
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane

[Synonym ]:
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane
Tetrasiloxane, 1,1,1,3,5,7,7,7-octamethyl-,
MFCD00053664
1,3-BIS(TRIMETHYLSILOXY)-1,3-DIMETHYLDISILOXANE
Tetrasiloxane, 1,1,1,3,5,7,7,7-octamethyl-
EINECS 240-209-6

Chemical & Physical Properties

[ Density]:
0.863

[ Boiling Point ]:
205.1±23.0 °C at 760 mmHg

[ Melting Point ]:
<0ºC

[ Molecular Formula ]:
C8H26O3Si4

[ Molecular Weight ]:
282.632

[ Flash Point ]:
77.8±22.6 °C

[ Exact Mass ]:
282.095886

[ PSA ]:
27.69000

[ LogP ]:
7.69

[ Vapour Pressure ]:
0.4±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.386

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
UN 1993

[ HS Code ]:
2942000000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • methyl dichlorosilane
  • Hexamethyldisiloxane
  • Chlorotrimethylsilane
  • N-hexane

DownStream

  • hydroxy-(hydroxy-methyl-trimethylsilyloxysilyl)oxy-methyl-trimethylsilyloxysilane

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3,5-diethoxy-1,1,1,3,5,7,7,7-octamethyltetrasiloxane
  • 3,5-Bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyltetrasiloxane
  • 1,1,1,3,5,7,7,7-OCTAMETHYL-3,5-BIS(TRIM&
  • hexyl-(hexyl-methyl-trimethylsilyloxysilyl)oxy-methyl-trimethylsilyloxysilane
  • dimethyl-(methyl-phenyl-trimethylsilyloxysilyl)oxy-trimethylsilyloxysilane
  • 1,1,3,3,5,5,7,7-Octamethyl-1,3,5,7-tetrasilacyclooctane
  • 2-Iodo-4-methyloxazole-5-carbonitrile
  • N-(2-(benzo[d][1,3]dioxol-5-yl)-2-hydroxypropyl)-2-(o-tolyloxy)acetamide
  • 3-(3-Bromophenyl)-3-methylazetidine
  • 2-(1-Ethylpiperidin-4-yl)propanoic acid
  • Ethyl 5-bromo-4-methoxythiophene-3-carboxylate
  • 6-Chloro-N-[(5-cyclopropyl-4-methyl-1,2,4-triazol-3-YL)methyl]-N-methylpyridine-3-sulfonamide
  • 2-(5-Bromo-2-methoxypyridin-3-yl)acetic acid
  • 1-Phenylpiperidine-3-carbonitrile
  • 1-(2-(Benzo[d][1,3]dioxol-5-yl)-2-hydroxypropyl)-3-(naphthalen-1-ylmethyl)urea
  • N-((4-(dimethylamino)pyrimidin-2-yl)methyl)-4-methoxybenzamide
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