16731-55-8 CCRIS 1427 Dipotassium disulfite Dipotassium disulphite Dipotassium metabisulfite Dipotassium pyrosulfite Disulfurous acid, dipotassium salt EINECS 240-795-3 HSDB 5062 POTASSIUM METABISULFITE Potassium disulfite Potassium disulfite (K2S2O5) Potassium pyrosulfite Pyrosulfurous acid, dipotassium salt