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tetra-Sodium pyrophosphate, decahydrate, 99%+ - chemical compound with the formula Na4P2O7.10H2O.
S 2308 (OTTO) Sodium pyrophosphate decahydrate ACS reagent, ≥99% Cas 13472-36-1 - used to catalyze the nucleation of sodium acetate trihydrate, a potential latent heat storage material.