三苯基氧化膦

Name: 三苯基氧化膦
Brand: 济南圣和化工有限公司

CAS 791-28-6C18H15OPMW 278.3

三苯基氧化膦，CAS 登记号 791-28-6，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。

规格参数

CAS号791-28-6

分子式C18H15OP

分子量278.3

LogP2.85

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域有机化学品

类别有机化学品

用途与场景

有机化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到三苯基氧化膦的 CAS 号？

本页已列出三苯基氧化膦的 CAS 号：791-28-6，可与随货 COA 核对。

可以提供哪些规格和包装？

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。

三苯基氧化膦一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

Triphenylphosphine oxide · CAS 791-28-6 · C18H15OP. UNII Z69161FKI3. LogP: 2.85.

Identification

CAS Registry Number	791-28-6
PubChem CID	13097
Molecular formula	C18H15OP
IUPAC name	diphenylphosphorylbenzene
UNII (FDA)	Z69161FKI3

Computed Descriptors

Molecular Weight	278.3
XLogP3	2.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	3
Exact Mass	278.086052095
Monoisotopic Mass	278.086052095
Topological Polar Surface Area	17.1
Heavy Atom Count	20
Formal Charge	0

Physical & Chemical Properties

LogP	2.85

Physical description & handling notes

Solid; [IUCLID] Beige crystalline solid; [Aldrich MSDS]
162.9 Å² [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID2022121]
163.0 Å² [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: APCI+; Dataset: TOXCAST; Source Identifier: DTXSID2022121]
182.6 Å² [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID2022121]

Regulatory Status

GHS notification summary	2% (5 / 245)

GHS Hazard Classification

GHS notification summary	2% (5 / 245)
Reported hazard statements	H302 (98%), H315 (18%), H319 (18.4%), H335 (18%), H412 (96.3%), H371, H373

This chemical does not meet GHS hazard criteria for 2% (5 of 245) of reports.

H302 (98%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

Used for processing (extraction, separation, and spectrophotometric determination) environmental samples of cadmium and mercury; [ChemIDplus]
Phosphine oxide, triphenyl-: ACTIVE

Synonyms

TRIPHENYLPHOSPHINE OXIDE; 791-28-6; Phosphine oxide, triphenyl-; Triphenyl phosphine oxide; Triphenyl phosphorus oxide; DTXSID2022121; TRIPHENYLPHOSPHINE MONOXIDE; Z69161FKI3; phosphorane, triphenyl-, oxide; DTXCID402121; NSC-398; RefChem:191910; 212-338-8; triphenylphosphane oxide; diphenylphosphorylbenzene; Triphenylphosphineoxide

Frequently Asked Questions

What are the CAS number and molecular formula of Triphenylphosphine oxide?

CAS 791-28-6; molecular formula C18H15OP; molecular weight — g/mol.

What other names is Triphenylphosphine oxide known by?

TRIPHENYLPHOSPHINE OXIDE, 791-28-6, Phosphine oxide, triphenyl-, Triphenyl phosphine oxide, Triphenyl phosphorus oxide, DTXSID2022121.

Is Triphenylphosphine oxide classified as hazardous?

2% of GHS notifications report no hazard classification (5 of 245).

What are the key physical properties of Triphenylphosphine oxide?

LogP: 2.85.

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.

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