八苯基倍半硅氧烷，CAS 登记号 5256-79-1，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Octaphenylsilsesquioxane · CAS 5256-79-1 · C48H40O12Si8.
| CAS Registry Number | 5256-79-1 |
|---|---|
| PubChem CID | 521391 |
| Molecular formula | C48H40O12Si8 |
| IUPAC name | 1,3,5,7,9,11,13,15-octakis-phenyl-2,4,6,8,10,12,14,16,17,18,19,20-dodecaoxa-1,3,5,7,9,11,13,15-octasilapentacyclo[9.5.1.13,9.15,15.17,13]icosane |
| Molecular Weight | 1033.5 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 8 |
| Exact Mass | 1032.06738898 |
| Monoisotopic Mass | 1032.06738898 |
| Topological Polar Surface Area | 111 |
| Heavy Atom Count | 68 |
| Formal Charge | 0 |
| Complexity | 1270 |
Pentacyclo(9.5.1.13,9.15,15.17,13)octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl-; Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl-; RefChem:859709; Octaphenylsilsesquioxane; 5256-79-1; Octaphenyloctasilsesquioxane; Perphenyloctasilsesquioxane; PSS-Octaphenyl substituted; MFCD00308870; Phenyl-POSS; Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, octaphenyl-; AKOS015903488; O0349; 1,3,5,7,9,11,13,15-octaphenylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane; Octaphenyl-T8-silsesquioxane; C48H40O12Si8
CAS 5256-79-1; molecular formula C48H40O12Si8; molecular weight — g/mol.
Pentacyclo(9.5.1.13,9.15,15.17,13)octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl-, Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl-, RefChem:859709, Octaphenylsilsesquioxane, 5256-79-1, Octaphenyloctasilsesquioxane.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.