1-hydroxy ethylidene-1 Specification: Items index Appearance colorless or light yellow transparent liquid white crystal powder Active content¨hedp58.0-62.0 89.0 min Phosphorous acid¨as po33-% 2.0 max 0.5 max Phosphoric acid ¨aspo43- % 0.8 max 0.5 max Chloride (as cl-)% 0.01 max 0.01 max Ph¨1solution 2 max 2 max Density ¨20g/cm3 1.40 Fe ion ppm 10 max 20 max Colour apha (hazen) 40 max Hedp liquid: normally in 250kg net plastic drum, ibc drum can also be used as required hedp solid: 25kg inner liner polyethylene (pe) bag, outer plastic woven bag, or confirmed by clients.