三辛基氧化膦，CAS 登记号 78-50-2，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，下游主要用于无机化学品。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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Trioctylphosphine oxide · CAS 78-50-2 · C24H51OP. UNII EXU8U2AM5A. Melting Point: 52 °C.
| CAS Registry Number | 78-50-2 |
|---|---|
| PubChem CID | 65577 |
| Molecular formula | C24H51OP |
| IUPAC name | 1-dioctylphosphoryloctane |
| UNII (FDA) | EXU8U2AM5A |
| Molecular Weight | 386.6 |
|---|---|
| XLogP3 | 9.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 21 |
| Exact Mass | 386.36775324 |
| Monoisotopic Mass | 386.36775324 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 26 |
| Formal Charge | 0 |
| Melting Point | 52 °C |
|---|
| Reported hazard statements | H315 (97.4%), H317 (69%), H318 (29%) |
|---|
H315 (97.4%): Causes skin irritation [Warning Skin corrosion/irritation]
H317 (69%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Trioctylphosphine oxide; 78-50-2; Tri-n-octylphosphine oxide; TOPO; Phosphine oxide, trioctyl-; Cyanex 921; Hostarex PX 324; Trioctyl phosphine oxide; EXU8U2AM5A; DTXSID1052537; NSC-41937; RefChem:899962; DTXCID2031110; 201-121-3; 1-dioctylphosphoryloctane; MFCD00002083
CAS 78-50-2; molecular formula C24H51OP; molecular weight — g/mol.
Trioctylphosphine oxide, 78-50-2, Tri-n-octylphosphine oxide, TOPO, Phosphine oxide, trioctyl-, Cyanex 921.
Hazard statements reported: H315, H317, H318.
Melting Point: 52 °C.
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.