1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
- CAS NO.：18547-93-8
- Empirical Formula: C18H34O5Si2
- Molecular Weight: 386.63
- MDL number: MFCD00053688
- EINECS: 242-419-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-05-15 12:11:39
What is 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane?
Flammability and Explosibility
Not classified
Synthesis
Cool down 600g H2O to below 5°C, slowly add the intermediate product 3-(chlorodimethylsilyl)propyl methacrylate, restore room temperature and stir for 8h. Then stand, separate the organic phase, wash with water to neutral, add anhydrous sodium sulfate to dry the organic phase, filter to remove the desiccant, and remove the low boiling point substance in the system under reduced pressure to obtain 645.11g of product 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane, with a yield of 97%.
Properties of 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| Melting point: | <0°C |
| Boiling point: | 127°C 3mm |
| Density | 0.966 g/mL at 20 °C(lit.) |
| vapor pressure | 0.005Pa at 25℃ |
| refractive index | n |
| Flash point: | >110°C |
| storage temp. | below 5° C |
| Specific Gravity | 0.96 |
| Water Solubility | 1.5μg/L at 20℃ |
| Hydrolytic Sensitivity | 3: reacts with aqueous base |
| InChI | InChI=1S/C18H34O5Si2/c1-15(2)17(19)21-11-9-13-24(5,6)23-25(7,8)14-10-12-22-18(20)16(3)4/h1,3,9-14H2,2,4-8H3 |
| CAS DataBase Reference | 18547-93-8(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3-Bis(3-methacryloyloxypropyl)tetramethyldisiloxane (18547-93-8) |
Safety information for 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
Computed Descriptors for 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
| InChIKey | ZIFLDVXQTMSDJE-UHFFFAOYSA-N |
| SMILES | [Si](CCCOC(=O)C(C)=C)(C)(C)O[Si](CCCOC(=O)C(C)=C)(C)C |
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![1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE](https://img.chemicalbook.in/CAS/GIF/38170-80-8.gif)
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