Nomenclature
CAS number: 10294-66-3
Potassium hyposulfite.
K
2O
3S
2; mol wt 190.32.
K 41.09%, O 25.22%, S 33.70%.
K
2S
2O
3.
Properties
Colorless, hygroscopic crystals. Sol in water.
Insol in alcohol. May crystallize with 0.33 to 1.5 mol H2O. Keep well closed.