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A univalent cation, PH4+, derived from phosphine.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) chem a derivative of phosphine, with the chemical formula PH4+
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(fɒsˈfoʊ ni əm)

the positively charged group PH4 + .
[1865–70; phosph (orus) + -onium]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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M2 PRESSWIRE-September 4, 2019-: Tetrakis (Hydroxymethyl) Phosphonium Sulfate Market - Global Forecast 2025
Some PTCs are Aliquat 336: methyltrioctyl ammonium chloride, Benzyl trimethyl ammonium chloride or bromide, and benzyl triphenyl phosphonium iodide.
Vos, Conversion of Lactide to Acrylic Acid by a Phosphonium Ionic Liquid and Acid Cocatalyst, Catal.
In our previous work [23], the polymelamine tetramethylene phosphonium sulfate was synthesized and used to flame retardant EP thermosets, the samples passed UL-94 V-0 rating when the loading amount of polymelamine tetramethylene phosphonium sulfate was 11 wt%.
Stable delineation of the ischemic area by the PET perfusion tracer 18F-fluorobenzyl triphenyl phosphonium after transient coronary occlusion.
Suitable ionic groups include onium ions such as ammonium, phosphonium, or sulfonium derivatives of aliphatic, aromatic, oraryl-aliphatic amines, phosphines, and sulfides.
Sun, "Effects of ionic liquid containing phosphonium on the properties of polyurethane grouting materials applied in coal mine," Jianzhu Cailiao Xuebao/Journal of Building Materials, vol.
Gabriel et al., "New protein-resistant coatings for water filtration membranes based on quaternary ammonium and phosphonium polymers," Journal of Membrane Science, vol.
Khatua, "Optically transparent polycarbonate/clay nanocomposites with improved performance using phosphonium modified organoclay: Preparation and characterizations," Polymer Composites, vol.
Cappello et al., "Phosphonium salt displays cytotoxic effects against human cancer cell lines," Anti-Cancer Agents in Medicinal Chemistry, vol.
Jasra, "Preparation and characterization of phosphonium montmorillonite with enhanced thermal stability," Applied Clay Science, vol.
Wahl, "18F-fluorobenzyl triphenyl phosphonium: a noninvasive sensor of brown adipose tissue thermogenesis," Journal of Nuclear Medicine, vol.