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Triphenyl phosphate

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Triphenyl phosphate
Names
IUPAC name Triphenyl phosphate
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.739 Edit this at Wikidata
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15HKey: XZZNDPSIHUTMOC-UHFFFAOYSA-N
  • InChI=1/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15HKey: XZZNDPSIHUTMOC-UHFFFAOYAB
SMILES
  • O=P(Oc1ccccc1)(Oc2ccccc2)Oc3ccccc3
Properties
Chemical formula C18H15O4P
Molar mass 326.28 g/mol
Appearance colourless liquid
Density 1.184 g/mL
Melting point 48-50 °C
Boiling point 244 °C 10 mm Hg
Solubility in water organic solvents
Hazards
Occupational safety and health (OHS/OSH):
Main hazards harmful
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Triphenyl phosphate is the chemical compound with the formula OP(OC6H5)3. This colourless solid is the ester (triester) of phosphoric acid and phenol. It is used as a plasticizer and a fire retardant.

Triphenylphosphate is prepared by the reaction of phosphorus oxychloride and phenol:

POCl3 + 3 HOC6H5 → OP(OC6H5)3 + 3 HCl

Safety considerations

Triphenylphosphate exhibits low acute toxicity by dermal or oral contact.

References

  1. ^ J. Svara, N. Weferling, T. Hofmann "Phosphorus Compounds, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2006. doi:10.1002/14356007.a19_545.pub2
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