Zinc Sulfite

Name:
Zinc Sulfite
Detailed information:

M Formula:	ZnSO3•2H2O
Properties:
White, crystalline powder. Absorbs oxygen from the air to form sulfate. Loses 2H2O at 100C; decomposes at 200C. Soluble in sulfurous acid; insoluble in cold water and alcohol; decomposes in hot water.
Derivation:
Action of sulfurous acid on zinc hydroxide.
Use:
Preservative for anatomical specimens.