K2CO3
ceramic· K2CO3
Potassium carbonate (K₂CO₃) is an inorganic ceramic compound commonly produced as a white crystalline powder or granule. It functions primarily as a chemical precursor, flux material, and electrolyte rather than as a structural ceramic, with applications spanning glass manufacturing, metal processing, fertilizer production, and laboratory chemistry. Engineers select K₂CO₃ for its effectiveness as a glass flux (lowering melting temperatures), its use in potassium-based battery electrolytes, and its role in specialized welding and metal refining processes where alkaline environments are beneficial.
glass and ceramic manufacturingmetal welding and processingbattery electrolytesfertilizer productionchemical synthesislaboratory reagent
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 38.11 | GPa | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 17.09 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.475 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.269 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -111.8 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.987 | eV/atom | — | ||
| ↳ | -1.910 | 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.