Calcium sulfite

Chemical Properties

Melting point	600°C
Density	33.3[at 20℃]
solubility	slightly soluble in ethanol; soluble in acid solutions
form	solid (rough estimate)
color	white
Water Solubility	0.0043g/100mL (18°C), 0.001g/100mL (100°C) H2O; slightly soluble alcohol; soluble in acid solutions with SO2 evolution [MER06] [CRC10]
EPA Substance Registry System	Sulfurous acid, calcium salt (1:1) (10257-55-3)