Pentamethyl Disiloxane

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Names

[ CAS No. ]:
1438-82-0

[ Name ]:
Pentamethyl Disiloxane

[Synonym ]:
Pentamethyldisiloxane
1,1,1,3,3-Pentamethyldisiloxane
1,1,1,3,3-pentamethyl-disiloxane
EINECS 215-873-5
HMe2SiOSiMe3
MFCD00053658
Disiloxane, 1,1,1,3,3-pentamethyl-
disiloxane, pentamethyl-
2,2,4-Trimethyl-3-oxa-2,4-disilapentane
pentamethyl-disiloxan
1,1,1,3,3-Pentamethylpropanedisiloxane
Disiloxane,pentamethyl
1,1,3,3,3-pentamethyldisiloxane
Pentamethyl Disiloxane

Chemical & Physical Properties

[ Density]:
0.758

[ Boiling Point ]:
84.5±9.0 °C at 760 mmHg

[ Melting Point ]:
86 °C(lit.)

[ Molecular Formula ]:
C5H16OSi2

[ Molecular Weight ]:
148.351

[ Flash Point ]:
4.9±18.7 °C

[ Exact Mass ]:
148.073975

[ PSA ]:
9.23000

[ LogP ]:
3.54

[ Vapour Pressure ]:
80.5±0.1 mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.373

[ Water Solubility ]:
Not miscible or difficult to mix in water.

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
F: Flammable;

[ Risk Phrases ]:
R11

[ Safety Phrases ]:
S16-S23-S29-S33

[ RIDADR ]:
UN 1993 3/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1,1,3,3-Tetramethyldisiloxane
  • Hexamethyldisiloxane
  • Pentamethyldisilane
  • Disiloxane, methoxypentamethyl-
  • Chloropentamethyldisiloxane
  • Chlorotrimethylsilane
  • Chlorodimethylsilane
  • iododimethylsilane
  • Ethoxy(trimethyl)silane
  • Trimethylsilanol

DownStream

  • pentamethylvinyldisiloxane
  • (3-glycidoxypropyl)pentamethyldisiloxane
  • 3-(Pentamethyldisiloxanyl)propyl methacrylate
  • 2-[dimethyl(trimethylsilyloxy)silyl]ethyl-[2-[dimethyl(trimethylsilyloxy)silyl]ethyl-dimethylsilyl]oxy-dimethylsilane
  • 3-(Pentamethyldisiloxanyl)-1-propanamine
  • Hexamethyldisiloxane
  • 1,1,1,3,5,5,5-Heptamethyltrisiloxane
  • Octamethyltrisiloxane
  • Decamethyltetrasiloxane
  • heptamethyltrisiloxane

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

  • Vinyl Pentamethyl Disiloxane
  • Chloromethyl Pentamethyl Disiloxane
  • Cyclopentadienyl pentamethyl disiloxane
  • (4,4-diphenylbutyl)pentamethyl disiloxane
  • 3-METHACRYLOXYPROPYL PENTAMETHYL DISILOXANE
  • bromomethyl-pentamethyl-disiloxane
  • 3-(3,4-Dihydro-2H-pyrrol-5-yl)-2-(isopropylthio)pyridine
  • 4-Chloro-6-methoxy-7-(n-methylcarbamoyl)quinoline
  • 2-(2-(Isopropylthio)pyridin-3-yl)pyrrolidine-1-carbaldehyde
  • 4H,5H,6H,7H-pyrazolo[1,5-b]pyridazine
  • 3-(1-Ethylpyrrolidin-2-yl)-2-(isopropylthio)pyridine
  • 3-(isothiocyanatomethyl)tetrahydrofuran
  • 3-(1-Isopropylpyrrolidin-2-yl)-2-(isopropylthio)pyridine
  • 4,6-Dichloro-5-ethyl-2-(propan-2-yl)pyrimidine
  • 2-(Isopropylthio)-3-(1-propylpyrrolidin-2-yl)pyridine
  • 1-phenyl-3-(pyridin-2-yl)-1H-pyrazol-5-amine
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