Title: Zinc Carbonate
CAS Registry Number: 3486-35-9
Molecular Formula: CO3Zn
Molecular Weight: 125.42
Percent Composition: C 9.58%, O 38.27%, Zn 52.15%
Line Formula: ZnCO3
Literature References: Occurs in nature as the minerals smithsonite, zincspar. Prepn: Hüttig et al., Monatsh. Chem. 72, 31 (1939).
Properties: Rhombohedral structure. Solubility in water at 15° 0.001 g/100 g; sol in dil acids, alkalies, solns of NH4+ salts.
Derivative Type: Basic carbonate
Additional Names: Zinc carbonate hydroxide; zinc subcarbonate
Properties: Variable composition, usually characterized as 3Zn(OH)2.2ZnCO3. Occurs as the mineral hydrozincite. Reagent specification: 70% ZnO minimum.
Use: As pigment; manuf of porcelains, pottery, rubber.
Therap-Cat: Astringent, topical antiseptic.
Therap-Cat-Vet: Astringent, antiseptic, protective (topical). Also used in rations to prevent Zn deficiency diseases.
Keywords: Astringent. |