Introduction：Basic information about CAS 17865-85-9|Octamethylsilsesquioxane, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Octamethylsilsesquioxane |
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| CAS Number | 17865-85-9 | Molecular Weight | 536.95300 |
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| Density | 1.26g/cm3 | Boiling Point | 235ºC at 760 mmHg |
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| Molecular Formula | C8H24O12Si8 | Melting Point | >350ºC |
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| MSDS | ChineseUSA | Flash Point | / |
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Names
| Name | Permethyloctasilsesquioxane |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.26g/cm3 |
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| Boiling Point | 235ºC at 760 mmHg |
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| Melting Point | >350ºC |
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| Molecular Formula | C8H24O12Si8 |
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| Molecular Weight | 536.95300 |
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| Exact Mass | 535.94200 |
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| PSA | 110.76000 |
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| LogP | 0.80320 |
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| InChIKey | SOQGBGSEJYZNPS-UHFFFAOYSA-N |
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| SMILES | C[Si]12O[Si]3(C)O[Si]4(C)O[Si](C)(O1)O[Si]1(C)O[Si](C)(O2)O[Si](C)(O3)O[Si](C)(O4)O1 |
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| RIDADR | NONH for all modes of transport |
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Synonyms
| Poly(Methyl Silsesquioxane) |
| MFCD02683561 |
| PSS-Octamethyl substituted |
| Octamethylsilsesquioxane |
