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Phosphine oxide (PH3O), also referred to as phosphineoxide, is a versatile class of organophosphorus compounds characterized by a phosphorus atom bonded to an oxygen atom and three organic substituents. Water-soluble phosphine oxides, such as those derived from diphenylphosphine oxide, are particularly valuable in homogeneous catalysis and industrial applications due to their solubility in aqueous media, facilitating greener and more sustainable synthetic processes. Their synthesis via Pd/C-catalyzed P-C coupling in water offers an efficient, recyclable, and scalable method, eliminating the need for organic solvents while maintaining high yield and purity. These properties make phosphine oxides attractive for catalytic and material science applications.

13840-40-9

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13840-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13840-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,4 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13840-40:
(7*1)+(6*3)+(5*8)+(4*4)+(3*0)+(2*4)+(1*0)=89
89 % 10 = 9
So 13840-40-9 is a valid CAS Registry Number.
InChI:InChI=1/HOP/c1-2/h2H

13840-40-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name Phosphine oxide

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

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More Details:13840-40-9 SDS

13840-40-9Relevant academic research and scientific papers

Experimental evidence of phosphine oxide generation in solution and trapping by ruthenium complexes

Yakhvarov, Dmitry,Caporali, Maria,Gonsalvi, Luca,Latypov, Shamil,Mirabello, Vincenzo,Rizvanov, Ildar,Sinyashin, Oleg,Stoppioni, Piero,Peruzzini, Maurizio

, p. 5370 - 5373 (2011)

Phosphine oxide (H3PO), the first defined compound of phosphorus in the oxidation state -1, was obtained in solution by electrochemical methods starting from white phosphorus (see picture). H3PO was characterized by NMR solution spectroscopy as a free molecule and isolated as a ligand in ruthenium(II) complexes following tautomerization to phosphinous acid, H 2P(OH).

Effect of a sacrificial anode material on the electrochemical generation of phosphane oxide (H3PO)

Gorbachuk, Elena V.,Khayarov, Khasan R.,Sinyashin, Oleg G.,Yakhvarov, Dmitry G.

, p. 334 - 335 (2014)

The highest yields of phosphane oxide in the title process were obtained in electrochemical cells supplied with aluminium (49%), tin (36%) or zinc (67%) anodes.

Electrochemical generation of P4 2- dianion from white phosphorus

Yakhvarov,Gorbachuk,Khayarov, Kh. R.,Morozov,Rizvanov, I. Kh.,Sinyashin

, p. 2423 - 2427 (2015/08/03)

Electrochemical reduction of elemental (white) phosphorus in an undivided cell equipped with a sacrificial metal anode (Al, Co, Nb, Sn) results in the formation of the reduced form of white phosphorus, P4 2- dianion, which was detected in solution by 31P NMR spectroscopy.

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