1,3,5,2,4,6-Trioxatriphosphorinane, 2,4,6-trihydroxy-, trisodium salt 13566-25-1 7785-84-4 Cyclic sodium trimetaphosphate Cyclisches trinatriummetaphosphat [German] EINECS 232-088-3 HSDB 5048 Metaphosphoric acid (H3P3O9), trisodium salt Metaphosphoric acid, trisodium salt SODIUM TRIMETAPHOSPHATE Sodium metaphosphate (Na3(P3O9)) Sodium phosphate ((NaPO3)3) Sodium phosphate tribasic Sodium phosphate, tribasic Sodium trimetaphosphate [USAN] Trimetaphosphoric acid (H3P3O9), trisodium salt Trisodium metaphosphate Trisodium trimetaphosphate Trisodium trimetaphosphate (Na3P3O9)