八苯基环四硅氧烷，CAS 登记号 546-56-5，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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Octaphenylcyclotetrasiloxane · CAS 546-56-5 · C48H40O4Si4. UNII NS00043365. Boiling Point: 330 °C @760 [mm Hg].
| CAS Registry Number | 546-56-5 |
|---|---|
| PubChem CID | 68347 |
| Molecular formula | C48H40O4Si4 |
| IUPAC name | 2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane |
| UNII (FDA) | NS00043365 |
| Molecular Weight | 793.2 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 8 |
| Exact Mass | 792.20036589 |
| Monoisotopic Mass | 792.20036589 |
| Topological Polar Surface Area | 36.9 |
| Heavy Atom Count | 56 |
| Formal Charge | 0 |
| Complexity | 905 |
| Boiling Point | 330 °C @760 [mm Hg] |
|---|
| GHS notification summary | 100% (34 / 34) |
|---|
| GHS notification summary | 100% (34 / 34) |
|---|
This chemical does not meet GHS hazard criteria for 100% (34 of 34) of all reports.
Reported as not meeting GHS hazard criteria by 34 of 34 companies. For more detailed information, please visit ECHA C&L website.
Octaphenylcyclotetrasiloxane; 546-56-5; Cyclotetrasiloxane, octaphenyl-; NSC 293057; 1,1,3,3,5,5,7,7-Octaphenylcyclotetrasiloxane; EINECS 208-904-9; Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octaphenyl-; DTXSID5052206; RefChem:856036; Cyclotetrasiloxane, octaphenyl; DTXCID7030777; Cyclotetrasiloxane, 2,2,4,4,6,6,8,8octaphenyl; 208-904-9; 2,2,4,4,6,6,8,8-Octaphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; Octaphenyltetracyclosiloxane; 2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
CAS 546-56-5; molecular formula C48H40O4Si4; molecular weight — g/mol.
Octaphenylcyclotetrasiloxane, 546-56-5, Cyclotetrasiloxane, octaphenyl-, NSC 293057, 1,1,3,3,5,5,7,7-Octaphenylcyclotetrasiloxane, EINECS 208-904-9.
100% of GHS notifications report no hazard classification (34 of 34).
Boiling Point: 330 °C @760 [mm Hg].
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.