Pentamethyl Disiloxane

Names

[ 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

DownStream

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%