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Molecule
1,1,3,3-Tetramethyldisiloxane
CAS: 3277-26-7 · C4H14OSi2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 3277-26-7
- Molecular Formula
- C4H14OSi2
- Molecular Mass
- 134.33 g/mol
Identifiers
CAS Registry Number
3277-26-7
SMILES
C[SiH](C)O[SiH](C)C
InChI Key
NVYQDQZEMGUESH-UHFFFAOYSA-N
InChI
InChI=1S/C4H14OSi2/c1-6(2)5-7(3)4/h6-7H,1-4H3
Names and Synonyms
- 1,1,3,3-Tetramethyldisiloxane Systematic Name
- Disiloxane, 1,1,3,3-tetramethyl- Synonym
- 1,1,3,3-Tetramethyldisiloxane Synonym
- Bis(dimethylsilyl) ether Synonym
- Bis(dimethylsilyl) oxide Synonym
- sym-Tetramethyldisiloxane Synonym
- Dimethylsilyl ether Synonym
- 1,3-Dihydrotetramethyldisiloxane Synonym
- 1,3-Dihydrogen-1,1,3,3-tetramethyldisiloxane Synonym
- 1,1,3,3-Tetramethyl-1,3-dihydrodisiloxane Synonym
- T 2030 Synonym
- 1,1,3,3-Tetramethyl-1,3-disiloxane Synonym
- T 2030 (siloxane) Synonym
- NSC 155369 Synonym
- LS 7040 Synonym
- [(Dimethylsilyl)oxy]dimethylsilane Synonym
- Dowsil 3-7010 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 134.33 g/mol | CAS Common Chemistry |
| 134.327 g/mol | RDKit | |
| Density | 0.76 g/cm³ | CAS Common Chemistry |
| 0.757 g/cm3 | CAS Common Chemistry | |
| Boiling Point | 72 °C | CAS Common Chemistry |
| Canonical SMILES | O([SiH](C)C)[SiH](C)C | CAS Common Chemistry |
| InChI | InChI=1S/C4H14OSi2/c1-6(2)5-7(3)4/h6-7H,1-4H3 | CAS Common Chemistry |
| InChI Key | InChIKey=NVYQDQZEMGUESH-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | 1,1,3,3-Tetramethyldisiloxane | CAS Common Chemistry |
| Heavy Atom Count | 7 | 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 | 0.9697999999999999 | RDKit |
| 0.9698 | RDKit | |
| Molar Refractivity | 38.839000000000006 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 134.058318128 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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200 ppm
180
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20
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| Shift (ppm) | DEPT | Assignment |
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Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
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MW = 134.33 g/mol; density = 0.760 g/mL. Edit any field — others recompute live.
