甲基二苯基氧化膦，CAS 登记号 2129-89-7，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。
无机化学品
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 甲基二苯基氧化膦 的 CAS 号：2129-89-7，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及无机化学品。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
Methyl diphenyl phosphine oxide · CAS 2129-89-7 · C13H13OP. UNII U3CX4L7DVA.
| CAS Registry Number | 2129-89-7 |
|---|---|
| PubChem CID | 75041 |
| Molecular formula | C13H13OP |
| IUPAC name | [methyl(phenyl)phosphoryl]benzene |
| UNII (FDA) | U3CX4L7DVA |
| Molecular Weight | 216.21 |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 2 |
| Exact Mass | 216.070402032 |
| Monoisotopic Mass | 216.070402032 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%), H312 (85.1%), H315 (100%), H319 (100%), H332 (87.2%), H335 (97.9%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H312 (85.1%): Harmful in contact with skin [Warning Acute toxicity, dermal]
Methyldiphenylphosphine oxide; 2129-89-7; RefChem:818574; 218-346-8; methyldiphenylphosphine oxide: 1,4-dibromotetrafluorobenzene 2/1; methyldiphenylphosphine oxide: 1,4-diiodotetrafluorobenzene 1/1; methyl(diphenyl)phosphine oxide; Phosphine oxide, methyldiphenyl-; [methyl(phenyl)phosphoryl]benzene; Diphenylmethylphosphine oxide; Methyl diphenyl phosphine oxide; Phosphine oxide, diphenylmethyl-; MFCD00002081; [methyl(phenyl)phosphoroso]benzene; C13H13OP; Methyldiphenyloxophosphine
CAS 2129-89-7; molecular formula C13H13OP; molecular weight — g/mol.
Methyldiphenylphosphine oxide, 2129-89-7, RefChem:818574, 218-346-8, methyldiphenylphosphine oxide: 1,4-dibromotetrafluorobenzene 2/1, methyldiphenylphosphine oxide: 1,4-diiodotetrafluorobenzene 1/1.
Hazard statements reported: H302, H312, H315, H319, H332.
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.