Nomenclature
CAS number: 10257-55-3
CaO
3S; mol wt 120.14.
Ca 33.36%, O 39.95%, S 26.69%.
CaSO
3.
Description and references
Prepn: Gmelins, Calcium (8th ed.) 28B, 107-108, 660-674 (1958).
Derivative
Dihydrate.
Properties
Crystals or powder. Slowly oxidizes in air to
CaSO4. Slightly sol in water, alcohol; sol in SO2 solns, acids with liberation of SO2.Use
Preserving cider and other fruit juices; as disinfectant
of brewing vats; antichlor in bleaching textiles; in sugar manuf;
in paper pulp cooking; in cement.