ZnCO3

ceramic
· ZnCO3

Zinc carbonate (ZnCO3) is an inorganic ceramic compound that occurs naturally as the mineral smithsonite and is also produced synthetically for industrial applications. It serves primarily as a precursor material and pigment in coatings, rubber compounding, and pharmaceutical formulations, where its chemical reactivity and whiteness are valued. Engineers select ZnCO3 when zinc oxide sources with controlled decomposition profiles are needed, or in applications requiring non-toxic white fillers and corrosion inhibitors.

rubber compounding and vulcanizationpaint and coating pigmentszinc supplement precursorcorrosion inhibitor formulationsceramic glazes and enamelspharmaceutical excipients

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
132.0
GPa
Poisson's Ratio(ν)
0.3100
-
Shear Modulus(G)
56.03
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
8.834
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Dielectric Constant (Relative Permittivity)(εr)
6.884
range 3.498–10.27median of 2 measurements
-
Magnetic Moment(μB)
4.326
µB
Seebeck Coefficient(S)
-210.6
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.07460
eV/atom
Formation Energy(ΔHf)2 entries
-1.696
eV/atom
0.04282
eV/atom
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.