(1,6-Hexanediylbis(nitrilobis(methylene)))tetrakisphosphonic acid potassium salt (Hexane-1,6-diylbis(nitrilobis(methylene)))tetrakisphosphonic acid, potassium salt 38820-59-6 Dequest 2054 Dequest 2054 deflocculant and sequestrant EINECS 254-135-7 Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, potassium salt