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Diphenylphosphinic acid

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Diphenylphosphinic acid Basic information
Diphenylphosphinic acid Chemical Properties
  • Melting point:193-195 °C(lit.)
  • Boiling point:194 °C
  • Density 1.25±0.1 g/cm3(Predicted)
  • storage temp. Store below +30°C.
  • solubility 0.1 M NaOH: soluble0.5g/10 mL, clear, colorless
  • form Fine Crystalline Solid
  • pka2.30±0.10(Predicted)
  • color White
  • Water Solubility Soluble in water.
  • BRN 2804567
  • CAS DataBase Reference1707-03-5(CAS DataBase Reference)
  • NIST Chemistry ReferenceDiphenyl phosphinic acid(1707-03-5)
Safety Information
  • Risk Statements 36/37/38
  • Safety Statements 22-24/25
  • WGK Germany 3
  • RTECS SZ5315000
  • HS Code 29310095
MSDS
Diphenylphosphinic acid Usage And Synthesis
  • Chemical Propertieswhite fine crystalline solid
  • Synthesis Reference(s)The Journal of Organic Chemistry, 22, p. 1671, 1957 DOI: 10.1021/jo01363a037
  • Purification MethodsRecrystallise it from 95% EtOH and dry it under vacuum at room temperature. [see Kosolapoff Organophosphorus Compounds J Wiley, NY, 1950, Kosolapoff and Maier Organic Phosphorus Compounds Wiley-Interscience, NY, 1972-1976, Beilstein 16 IV 1036.]
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