PAP(Propargyl alcohol propoxylate) Trade name:PAP Chemical name:Propargyl alcohol propoxylate Molecular formula:C6H10O2 CAS No.:3973-17-9 Assay:98% Appearance:Colorless to yellowish transparent liquid related density@20°C:0.97-0.98 PH value:6.0-7.5 refractive index@20°C:1.4430-1.4455 Application:Leveling agent , brightening agent