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Molecule
1,3,5,7-Tetramethylcyclotetrasiloxane
CAS: 2370-88-9 · C4H16O4Si4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 2370-88-9
- Molecular Formula
- C4H16O4Si4
- Molecular Mass
- 240.51 g/mol
Identifiers
CAS Registry Number
2370-88-9
SMILES
C[SiH]1O[SiH](C)O[SiH](C)O[SiH](C)O1
InChI Key
BQYPERTZJDZBIR-UHFFFAOYSA-N
InChI
InChI=1S/C4H16O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h9-12H,1-4H3
Names and Synonyms
- 1,3,5,7-Tetramethylcyclotetrasiloxane Systematic Name
- Cyclotetrasiloxane, 2,4,6,8-tetramethyl- Synonym
- 2,4,6,8-Tetramethylcyclotetrasiloxane Synonym
- Tetramethylcyclotetrasiloxane Synonym
- 1,3,5,7-Tetramethylcyclotetrasiloxane Synonym
- LS 8600 Synonym
- KF 9902 Synonym
- Hydrosilox Synonym
- SIT 7530.0 Synonym
- 1,3,5,7-Tetrahydrogen-1,3,5,7-tetramethylcyclotetrasiloxane Synonym
- 1,3,5,7-Cyclotetra(methylsiloxane) Synonym
- D 4H Synonym
- D4H Synonym
- 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 240.51 g/mol | CAS Common Chemistry |
| 240.51199999999997 g/mol | RDKit | |
| 240.512 g/mol | RDKit | |
| Density | 0.99 g/cm³ | CAS Common Chemistry |
| 0.991 g/cm3 | CAS Common Chemistry | |
| Boiling Point | 134.5 °C | CAS Common Chemistry |
| Canonical SMILES | O1[SiH](O[SiH](O[SiH](O[SiH]1C)C)C)C | CAS Common Chemistry |
| InChI | InChI=1S/C4H16O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h9-12H,1-4H3 | CAS Common Chemistry |
| InChI Key | InChIKey=BQYPERTZJDZBIR-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -65 °C | CAS Common Chemistry |
| Name | 1,3,5,7-Tetramethylcyclotetrasiloxane | CAS Common Chemistry |
| Heavy Atom Count | 12 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 36.92 Ų | RDKit |
| LogP | -0.5324000000000002 | RDKit |
| -0.5324 | RDKit | |
| Molar Refractivity | 56.39200000000004 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 240.01256511199998 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
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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.
External Resources
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MW = 240.51 g/mol; density = 0.990 g/mL. Edit any field — others recompute live.
