1,7-dichlorooctamethyltetrasiloxane

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Names

[ CAS No. ]:
2474-02-4

[ Name ]:
1,7-dichlorooctamethyltetrasiloxane

[Synonym ]:
1,7-Dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
MFCD00045148
Tetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-
Tetrasiloxane,1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl
EINECS 219-597-6
1,7-dichlorooctamethyltetrasiloxane
1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane
1,7-Dichlor-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxan

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
246.6±23.0 °C at 760 mmHg

[ Melting Point ]:
-62ºC(lit.)

[ Molecular Formula ]:
C8H24Cl2O3Si4

[ Molecular Weight ]:
351.522

[ Flash Point ]:
87.8±0.0 °C

[ Exact Mass ]:
350.017944

[ PSA ]:
27.69000

[ LogP ]:
8.54

[ Appearance of Characters ]:
liquid

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.428

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
C: Corrosive;

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
26-36/37/39-45

[ RIDADR ]:
UN 2987 8/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Dichlorodimethylsilane
  • Chlorodimethylsilane
  • Octamethylcyclotetrasiloxane
  • 2-chloroethoxy(dimethyl)silane
  • Acetyl chloride

DownStream

  • 1,1,3,3,5,5,7,7-octamethyltetrasiloxane
  • 1,7-Dibutyloxy-octamethyl-tetrasiloxan
  • 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-

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

  • 1,7-diazaspiro[5.5]undecane
  • 1-(7-ethyl-9,10-dihydrophenanthren-2-yl)nonan-1-one
  • 1,7-dioxa-5,11-dithia-6-stannaspiro[5.5]undecane-2,8-dione
  • 1(7)-Bicyclo(5.3.0)decane
  • 1-[7-(trifluoromethyl)quinolin-4-yl]indole-3-carboxylic acid
  • 1-[7-chloro-2-(4-methoxyphenyl)quinolin-4-yl]-2-(dihexylamino)ethanol
  • 3-(Dichloromethyl)-4H-[1]benzothieno[3,2-b]pyran-4-one
  • 2-pyridin-2-yl-N-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetamide
  • CID 169546613
  • 2-pyridin-2-yl-N-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetamide
  • CID 169546618
  • CID 169546621
  • 2-methyl-N-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-4-yl]benzamide
  • CID 169546623
  • CID 169546625
  • CID 169546627
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