3-Hydroxyphenylphosphinyl-propanoic Acid Basic Information Product Name: 3-Hydroxyphenylphosphinyl-propanoic acid CAS: 14657-64-8 MF: C9H11O4P MW: 214.15 Product Categories: Flame retardant Mol File: 14657-64-8.mol 3-Hydroxyphenylphosphinyl-propanoic Acid Structure 3-Hydroxyphenylphosphinyl-propanoic Acid Chemical Properties Melting point 158.0 to 162.0 °C Boiling point 526.6±42.0 °C(Predicted) density 1.35±0.1 g/cm3(Predicted) pka 2.21±0.50(Predicted)