Octavinyloctasilasesquioxane
Synonym(s):1,3,5,7,9,11,13,15-Octavinylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane;Octavinyloctasilasesquioxane
- CAS NO.：69655-76-1
- Empirical Formula: C16H24O12Si8
- Molecular Weight: 633.04
- MDL number: MFCD24450214
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:25:00
What is Octavinyloctasilasesquioxane?
Description
Octavinyloctasilasesquioxane (OVS) is a useful organic intermediate with eight unsaturated double bonds, and it can be used to adjust the chemical structure of copolymer. It could used as a cross-linking agent to prepared the PHBV/OVS ;composites by melt-reaction technique. It is also used to synthesize highly luminescent PNC-polymer composites with a superhydrophobic micro/nano structured surface. The OVS is condensed into the micro/nano-scale protrusions (second phase) on the PECA substrate because of the strong Si-O bonds between OVS molecules to [1-2]. This method can achieve the purpose of packaging Metal halide perovskite nanocrystals and solve the problem of the low chemical stability against water.
References
[1] Xiang H , et al. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Octavinyloctasilasesquioxane. Chinese Journal of Polymer Science, 2018; 36: 1353–1360.
[2] Wang S, et al. Perovskite nanocrystals-polymer composites with a micro/nano structured superhydrophobic surface for stable and efficient white light-emitting diodes. Chemical Engineering Journal, 2022; 473: 135303.
Properties of Octavinyloctasilasesquioxane
| Melting point: | >350 °C (lit.) |
| Boiling point: | 329.4±25.0 °C(Predicted) |
| Density | 1.22±0.1 g/cm3(Predicted) |
| Flash point: | >200°C |
| storage temp. | Inert atmosphere,Room Temperature |
| form | powder to crystal |
| color | White to Almost white |
| Specific Gravity | 1.350 |
| Hydrolytic Sensitivity | 1: no significant reaction with aqueous systems |
| BRN | 2320666 |
| NIST Chemistry Reference | Octa(vinylsilasesquioxane)(69655-76-1) |
Safety information for Octavinyloctasilasesquioxane
Computed Descriptors for Octavinyloctasilasesquioxane
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