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Decamethylcyclopentasiloxane
CAS: 541-02-6 | C10H30O5Si5
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
541-02-6
Molecular Formula:
C10H30O5Si5
Molecular Mass:
370.78 g/mol
Names and Synonyms:
Decamethylcyclopentasiloxane
Cyclopentasiloxane, 2,2,4,4,6,6,8,8,10,10-decamethyl-
Cyclopentasiloxane, decamethyl-
2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane
Decamethylcyclopentasiloxane
Dimethylsiloxane pentamer
Union Carbide 7158 Silicone Fluid
Dow Corning 345
NUC Silicone VS 7158
Dow Corning 345 Fluid
Cyclic dimethylsiloxane pentamer
SF 1202
Silicone SF 1202
VS 7158
KF 995
Dow Corning 245
DC 245
Silbione V 5
Volasil 245
DC 345
TSF 465
LS 9000
Cyclo-decamethylpentasiloxane
Execol D 5
TSF 405
Pentacyclomethicone
SH 245
SH 245 (siloxane)
TFS 405
Silbione 70045V5
Mirasil CM 5
Dow Corning 345EU
DC 2-5252C
Dow Corning 2-5252C
DC 345 Fluid
Dow Corning 245 Fluid
Silicon Plus α
Botanisil CP 33
Cyclopentasiloxane
Cyclopentadimethylsiloxane
D5
Volatile Silicone Fluid 345
Cyclomethicone pentamer 245
Xiameter PMX
Xiameter PMX 0245
Tego Polish Additive 5
SH 245 Fluid
Decamethylpentacyclosiloxane
KF 7312T
TSF 405A
KF 955
D 5 (siloxane)
Siloxane D 5
PMX 345
D 5
Identifiers:
SMILES:
C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
InChI:
InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3
Key Properties
Boiling Point
210 °C
CAS Common Chemistry
Melting Point
-38 °C
CAS Common Chemistry
Density
0.96 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 370.78 g/mol | CAS Common Chemistry |
| 370.7750000000001 g/mol | RDKit | |
| 370.09395670999993 g/mol | RDKit | |
| Density | 0.96 g/cm³ | CAS Common Chemistry |
| 0.9593 g/cm3 @ Temp: 20 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Decamethylcyclopentasiloxane | CAS Common Chemistry |
| Boiling Point | 210 °C | CAS Common Chemistry |
| Canonical SMILES | O1[Si](O[Si](O[Si](O[Si](O[Si]1(C)C)(C)C)(C)C)(C)C)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3 | CAS Common Chemistry |
| InChI Key | InChIKey=XMSXQFUHVRWGNA-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -38 °C | CAS Common Chemistry |
| Name | Decamethylcyclopentasiloxane | CAS Common Chemistry |
| Heavy Atom Count | 20 | RDKit |
| Hydrogen Bond Acceptors | 5 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 46.150000000000006 Ų | RDKit |
| LogP | 3.5920000000000023 | RDKit |
| Molar Refractivity | 92.83500000000005 | RDKit |
