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Hexamethyldisiloxane
CAS: 107-46-0 | C6H18OSi2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
107-46-0
Molecular Formula:
C6H18OSi2
Molecular Mass:
162.38 g/mol
Names and Synonyms:
Hexamethyldisiloxane
Disiloxane, 1,1,1,3,3,3-hexamethyl-
OS 10 Fluid
Disiloxane, hexamethyl-
1,1,1,3,3,3-Hexamethyldisiloxane
Hexamethyldisiloxane
Bis(trimethylsilyl) ether
Bis(trimethylsilyl) oxide
HMDS
SWS-F 221
Belsil DM 0.65
OS 10
OS 10 (siloxane)
DC 0.65cs200
Dow Corning OS 10
KF 96L0.65
NSC 43346
HMDSO
LS 7130
Dow Corning 200/0.65
Glipoxan
SH 200-0.65cSt
SH 200-0.65CS
SF 0.65
Volasil DM 0.65
Volasil DM 0.65SP
PSF-0.65cSt
SH 200-0.6CS
HX 18
MM
MM (siloxane)
OL-AK 065
Silicone Fluid AK 0.65
AK 0.65
Q 7-9180
Q 7-9180 Silicone Fluid
Dow Corning Q 7-9180
Lintec MC 3102E
MC 3102E
SIH 6115.1
S 7205
Identifiers:
SMILES:
C[Si](C)(C)O[Si](C)(C)C
InChI:
InChI=1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
Key Properties
Boiling Point
99.5 °C
CAS Common Chemistry
Melting Point
-66 °C
CAS Common Chemistry
Density
0.76 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 | 162.38 g/mol | CAS Common Chemistry |
| 162.38099999999997 g/mol | RDKit | |
| 162.089618256 g/mol | RDKit | |
| Density | 0.76 g/cm³ | CAS Common Chemistry |
| 0.7638 g/cm3 @ Temp: 20 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Hexamethyldisiloxane | CAS Common Chemistry |
| Boiling Point | 99.5 °C | CAS Common Chemistry |
| Canonical SMILES | O([Si](C)(C)C)[Si](C)(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3 | CAS Common Chemistry |
| InChI Key | InChIKey=UQEAIHBTYFGYIE-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -66 °C | CAS Common Chemistry |
| Name | Hexamethyldisiloxane | CAS Common Chemistry |
| Heavy Atom Count | 9 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 2 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 9.23 Ų | RDKit |
| LogP | 2.6728000000000005 | RDKit |
| Molar Refractivity | 47.77700000000003 | RDKit |
