16731-55-8

26-36

31-36/37/38

Xi

White to slightly yellowish fine cryst. powder

H2O: 0.1 M at 20 °C, clear, colorless

190 °C

240-795-3

183.22

Disulfurous acid, potassium salt (1:2);Potassium pyrosulfite (6CI);Pyrosulfurous acid,dipotassium salt (8CI);Dipotassium disulfite;Dipotassium metabisulfite;Dipotassium pyrosulfite;Potassium disulfite (K2S2O5);Potassium metabisulfite (K2S2O5);Potassium metabisulfite;