Pentamethylacetoxydisiloxane
Names
[ CAS No. ]:
70693-47-9
[ Name ]:
Pentamethylacetoxydisiloxane
[Synonym ]:
1,1,1,3,3-PENTAMETHYL-3-ACETOXYDISILOXANE
acetoxypentamethyldisiloxane
Disiloxan-1-ol, 1,1,3,3,3-pentamethyl-, acetate
Disiloxanol, pentamethyl-, acetate
EINECS 274-767-7
Disiloxanol,pentamethyl-,acetate
1-acetoxypentamethyldisiloxane
Acetyloxypentamethyldisiloxan
Pentamethyldisiloxanyl acetate
Pentamethylacetoxydisiloxane
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
149.4±7.0 °C at 760 mmHg
[ Molecular Formula ]:
C7H18O3Si2
[ Molecular Weight ]:
206.387
[ Flash Point ]:
36.9±13.7 °C
[ Exact Mass ]:
206.079453
[ PSA ]:
35.53000
[ LogP ]:
3.02
[ Vapour Pressure ]:
4.0±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.407
Safety Information
[ Hazard Codes ]:
C
[ Risk Phrases ]:
10-34
[ Safety Phrases ]:
26-36/37/39-45
[ RIDADR ]:
UN 2924 3/PG 3
[ HS Code ]:
2915390090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2915390090
[ Summary ]:
2915390090. esters of acetic acid. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:5.5%. General tariff:30.0%