What is Zinc Carbonate?

Zinc carbonate is a white crystalline powder occurs naturally as granular or earthy masses. That is referred together smithsonite or calamine or zinc spar. In pure type it is colourless, transparent but much more frequently coloured by the existence of iron, manganese, copper, etc. The ore smithsonite sometimes dubbed “dry bones” consists of theoretically 52 percent of metallic zinc.

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ZnCO3Zinc Carbonate
Density‎3.5 g/cm3
Molecular Weight/ Molar Mass125.38 g/mol
StabilityStable yet incompatible v acids
Boiling Point333.6 °C at 760 mmHg
Melting Point~1970 °C
Chemical FormulaZnCO3

Zinc Carbonate framework – ZnCO3

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Physical nature of Zinc lead carbonate – ZnCO3


OdourFaint vinegar odour
AppearanceWhite Powder
ValencyZn = 2

C = 4

O = 2 respectively.

pHAbove 10
Oxidation number+2
SolubilityInsoluble in water, dissolve in dilute acids and also alkalis.

Chemical nature of Zinc carbonate – ZnCO3

Zinc carbonate reacts through acids prefer hydrochloric acid creates zinc chloride and also release carbon dioxide. ZnCO3 + 2HCl → ZnCl2 + CO2 + H2O

Zinc carbonate undergoes decomposition forming zinc oxide and also carbon dioxide. The chemistry reactions is as below.

ZnCO3 → ZnO + CO2

Uses of Zinc carbonate – ZnCO3

Used principally in ointments and also takes the place of the previous impure lead carbonate termed calamine.Used in dusting upon inflamed surfaces together an astringent and absorbent.Calamine is a very oil treatment for pruritus. This organic product is zinc carbonate with tiny quantity of iron oxide.

Health hazard

Zinc intoxication take place both from inhaling zinc fumes and particles, greatly in industrial processes, and oral ingestion results in an excess of zinc in dietary supplements. It causes stomach pains, bleeding and vomiting.

Frequently asked Questions

What is the use of zinc carbonate?

It is usually offered as a barrier versus iron and also steels i beg your pardon protects versus dilapidation. Zinc carbonate can be provided on materials, colours for paint and farming stuff. This is additionally present in zinc anodes recognized as batteries used on appliances, tv monitors and also lighting.

Is zinc lead carbonate acidic or basic?

As with various other carbonates, zinc carbonate is readily dissolved in acidic solutions due to its simple nature, however is insoluble in water. The reaction returns carbon dioxide. This will likewise dissolve to form zincates in one extremely solid base. The zinc carbonate deserve to be decomposed thermally to kind zinc oxide.

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Is zinc lead carbonate toxic?

You deserve to be affected by zinc carbonate once you breathe it in. The skin and eyes can get irritated by contact. Zinc lead carbonate can additionally irritate the nose and also throat leading to coughing and also wheezing. Elevated exposure can influence the liver.