Synonym: 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane; DC 200 Fluid 2
CAS Number: 141-63-9
Empirical Formula (Hill Notation): C12H36O4Si5
Molecular Weight: 384.84
EC Number: 205-492-2
MDL Number: MFCD00039795
Linear Formula: (CH3)3SiO[Si(CH3)2O]3Si(CH3)3
Product Type: Chemical
| assay |
97% |
| bp |
230 °C (lit.) |
| density |
0.875 g/mL at 25 °C (lit.) |
| InChI |
1S/C12H36O4Si5/c1-17(2,3)13-19(7,8)15-21(11,12)16-20(9,10)14-18(4,5)6/h1-12H3 |
| InChI key |
FBZANXDWQAVSTQ-UHFFFAOYSA-N |
| mp |
−81 °C (lit.) |
| refractive index |
n20/D 1.392 (lit.) |
| SMILES string |
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C |
| vapor pressure |
<1 mmHg ( 20 °C) |
| Application: |
- Adsorption Characteristics of Dodecamethylpentasiloxane from Landfill Leachate: This study investigates the adsorption behavior of dodecamethylpentasiloxane in municipal solid waste, crucial for environmental chemists and waste management specialists (Q Kong et al., 2022
  ). - Toxicity of Silicone Oil: This research evaluates the cytotoxicity of liquid low molecular weight cyclosiloxanes including dodecamethylpentasiloxane, significant for drug discovery chemists considering silicone oil applications (Y Chen et al., 2021 ).
- Bioaccumulation of Volatile Methylsiloxanes: Review of how volatile methylsiloxanes like dodecamethylpentasiloxane bioaccumulate in aquatic ecosystems, useful for environmental scientists and regulatory bodies (F Bernardo et al., 2022 ).
- Solid MRI Contrast Agents: Describes the use of dodecamethylpentasiloxane as a contrast agent for in vivo oxygen sensing, relevant to biomedical research and materials science (VH Liu et al., 2014 ).
- Effective Removal of Methyl Siloxane by Sewage Sludge Microbes: Discusses biodegradation of dodecamethylpentasiloxane, pertinent for environmental chemists and waste treatment research (Y Wang et al., 2019 ).
|
| General description: |
Dodecamethylpentasiloxane is an organosilicon compound that is used as a reactant or as a solvent in organic synthesis. It is also used as a precursor compound to synthesize useful compounds, such as straight-chain linear polydimethylsiloxanes (PDMS), which are widely used in industrial applications such as coatings, adhesives, and elastomers. |
| Packaging: |
10, 50 mL in glass bottle |
| Purity |
97% |
| bp |
230 °C (lit.) |
| mp |
−81 °C (lit.) |
| Density |
0.875 g/mL at 25 °C (lit.) |
| Refractive Index |
n20/D 1.392 (lit.) |
| UNSPSC |
12352103 |
GHS07