Propylene glycol alginate (Propylene glycol alginate, Propane-1 '2-diol alginate, propane-1' 2-diol alginate, E405) ke letsoai la alginic acid e thehiloeng ho polyatomic alcohol propylene glycol.
E qhibiliha habonolo ka metsing mme ka hona tharollo e phahameng ea viscosity e fumanoa.
E sebelisoa e le thickener, stabilizer le emulsifier tlhahiso ea litholoana le lino tse tahang, mafura, metsoako ea ho baka; litlolo, k'hemisteng, jj.