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class="row"><div _ngcontent-sc118="" class="col-lg-10 col-md-10 col-sm-10 col-xs-10 no-padding"><h1 _ngcontent-sc118="" class="detail-title">Phosphorus oxide (PO)</h1></div><div _ngcontent-sc118="" class="col-lg-2 col-md-2 col-sm-2 col-xs-2 no-padding"><app-detail-download-button _ngcontent-sc118="" _nghost-sc112=""><button _ngcontent-sc112="" aria-label="Download Substance Molfile" class="download-button"></button></app-detail-download-button></div></div><div _ngcontent-sc118="" class="col-lg-4 col-md-5 no-padding"><detail-summary _ngcontent-sc118="" _nghost-sc115=""><div _ngcontent-sc115="" class="detail-content-box detail-content-box-left"><h3 _ngcontent-sc115="" class="rn">CAS Registry Number<sup _ngcontent-sc115="">®</sup></h3><div _ngcontent-sc115="" class="cas-registry-number"> 14452-66-5 </div><app-multi-image _ngcontent-sc115="" _nghost-sc114=""><div _ngcontent-sc114="" class="structure-image-container"><app-svg-box _ngcontent-sc114="" _nghost-sc113=""><div _ngcontent-sc113="" 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color-interpolation:linearRGB; stroke-linecap:butt; image-rendering:optimizeQuality;"><line y2="1.75" y1="1.75" x2="10.2812" x1="-9.0625" style="fill:none;"></line><line y2="-1.75" y1="-1.75" x2="10.2812" x1="-9.0625" style="fill:none;"></line></g><g transform="translate(22,7)" style="fill:rgb(230,0,0); text-rendering:geometricPrecision; color-rendering:optimizeQuality; image-rendering:optimizeQuality; font-family:'Open Sans'; stroke:rgb(230,0,0); color-interpolation:linearRGB;"><path style="stroke:none;" d="M-11.0625 -0.0703 Q-11.0625 1.9922 -12.1016 3.1719 Q-13.1406 4.3516 -14.9844 4.3516 Q-16.875 4.3516 -17.9062 3.1875 Q-18.9375 2.0234 -18.9375 -0.0859 Q-18.9375 -2.1797 -17.9062 -3.3281 Q-16.875 -4.4766 -14.9844 -4.4766 Q-13.125 -4.4766 -12.0938 -3.3047 Q-11.0625 -2.1328 -11.0625 -0.0703 ZM-17.8906 -0.0703 Q-17.8906 1.6641 -17.1484 2.5703 Q-16.4062 3.4766 -14.9844 3.4766 Q-13.5625 3.4766 -12.8359 2.5781 Q-12.1094 1.6797 -12.1094 -0.0703 Q-12.1094 -1.8047 -12.8359 -2.6953 Q-13.5625 -3.5859 -14.9844 -3.5859 Q-16.4062 -3.5859 -17.1484 -2.6875 Q-17.8906 -1.7891 -17.8906 -0.0703 Z"></path><path style="fill:rgb(111,5,255); stroke:none;" d="M17.7188 -1.9219 Q17.7188 -0.6094 16.8281 0.0859 Q15.9375 0.7812 14.2969 0.7812 L13.2812 0.7812 L13.2812 4.1562 L12.2812 4.1562 L12.2812 -4.4062 L14.5156 -4.4062 Q17.7188 -4.4062 17.7188 -1.9219 ZM13.2812 -0.0625 L14.1875 -0.0625 Q15.5 -0.0625 16.0938 -0.4922 Q16.6875 -0.9219 16.6875 -1.875 Q16.6875 -2.7188 16.1328 -3.1328 Q15.5781 -3.5469 14.3906 -3.5469 L13.2812 -3.5469 L13.2812 -0.0625 Z"></path><circle style="fill:black; stroke:none;" r="1" cy="0" cx="22.2812"></circle></g></g></svg></svg></svg></svg></div></app-svg-box></div></app-multi-image><h3 _ngcontent-sc115="" class="name">CAS Name</h3><span _ngcontent-sc115="" class="casName">Phosphorus oxide (PO)</span><h3 _ngcontent-sc115="" class="molecularFormula">Molecular Formula</h3><span _ngcontent-sc115="" id="molform">OP</span> <button _ngcontent-sc115="" class="view-sfn-button">Discover more in SciFinder</button><div _ngcontent-sc115="" class="page-citation"><h3 _ngcontent-sc115="">Cite this Page</h3><span _ngcontent-sc115="" class="name">Phosphorus oxide (PO)</span>.   <em _ngcontent-sc115="">CAS Common Chemistry</em>.   CAS, a division of the American Chemical Society, n.d.   <span _ngcontent-sc115="" class="url">http://commonchemistry.cas.org/detail?cas_rn=14452-66-5</span> (retrieved <span _ngcontent-sc115="" class="timestamp">2024-11-23</span>) (CAS RN: <span _ngcontent-sc115="" class="casRn">14452-66-5</span>).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0). </div></div></detail-summary></div><div _ngcontent-sc118="" class="col-lg-8 col-md-7 no-padding"><detail-info _ngcontent-sc118="" _nghost-sc116=""><div _ngcontent-sc116="" class="detail-content-box detail-content-box-right"><h2 _ngcontent-sc116="">Other Names and Identifiers</h2><p _ngcontent-sc116="" class="identifier"></p><p _ngcontent-sc116="" class="identifier"></p><p _ngcontent-sc116="" class="identifier"></p><p _ngcontent-sc116="" class="identifier"></p><h3 _ngcontent-sc116="" class="synonyms">Other Names for this Substance</h3><div _ngcontent-sc116="" class="detail-synonym-box"><ul _ngcontent-sc116=""><li _ngcontent-sc116="">Phosphorus oxide (PO)</li><li _ngcontent-sc116="">Phosphorus monoxide</li><li _ngcontent-sc116="">Phosphoryl radical</li><li _ngcontent-sc116="">Phosphoryl</li><li _ngcontent-sc116="">Phosphorus monoxide radical</li></ul></div><h2 _ngcontent-sc116="" class="deletedOrReplacedRns">Deleted or Replaced CAS Registry Numbers</h2><p _ngcontent-sc116="">12169-19-6</p></div></detail-info></div></div><div _ngcontent-sc118="" class="insight-teaser"><app-insight-teaser _ngcontent-sc118="" _nghost-sc107=""><div _ngcontent-sc107="" class="row teaser-header cas-blue">CAS INSIGHTS<sup _ngcontent-sc107="">TM</sup></div><div _ngcontent-sc107="" class="teaser-container"><div _ngcontent-sc107="" 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