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9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

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9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
Names
Other names 3,4:5,6-Dibenzo-2H-1,2-oxaphosphorin-2-oxide
Identifiers
CAS Number
Properties
Chemical formula C12H9O2P
Molar mass 216.176 g·mol
Appearance white solid
Melting point 119–121 °C (246–250 °F; 392–394 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) is an organophosphorus compound that is used as to produce fire retardants. From the chemistry perspective, it is an phosphorous acid derivative. The reactivity of P-H center allows the conjugation of DOPO to many monomers. Such monomers are incorporated into polymers, conferring fire retardant properties. It is mainly used for nylon and polyesters.

References

  1. Qian, Xiaodong; Song, Lei; Jiang, Saihua; Tang, Gang; Xing, Weiyi; Wang, Bibo; Hu, Yuan; Yuen, Richard K. K. (2013). "Novel Flame Retardants Containing 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and Unsaturated Bonds: Synthesis, Characterization, and Application in the Flame Retardancy of Epoxy Acrylates". Industrial & Engineering Chemistry Research. 52 (22): 7307–7315. doi:10.1021/ie400872q.
  2. Levchik, Sergei V.; Weil, Edward D. (2006). "A Review of Recent Progress in Phosphorus-based Flame Retardants". Journal of Fire Sciences. 24 (5): 345–364. doi:10.1177/0734904106068426.
  3. Salmeia, Khalifah A.; Gaan, Sabyasachi (2015). "An overview of some recent advances in DOPO-derivatives: Chemistry and flame retardant applications". Polymer Degradation and Stability. 113: 119–134. doi:10.1016/j.polymdegradstab.2014.12.014.