2-Phosphonobutane-1,2,4-tricarboxylic acid sodium salt [ 40372-66-5 ]

Quality indexes
Item mesh refers to the standard
Outside view white crystalline powder
Active components (in PBTCA plan) % 67.0
Active components (in Na4 plan) %, PBTCA 88.8
The total phosphorus (in PO43 - plan) % 23.5
Fe (in Fe3 + plan) content more than 35 PPM
PH value (1%) 4.0-6.0 solution