KO2

ceramic
· KO2

KO2 (potassium superoxide) is an inorganic ceramic compound belonging to the metal oxide family, notable for its strong oxidizing properties and chemical reactivity. It is primarily used in aerospace and emergency life-support applications, where it serves as an oxygen-generation agent in closed-loop breathing systems and spacecraft environmental control units; its ability to absorb carbon dioxide while releasing oxygen makes it valuable for submarine and submersible atmospherics. Engineers select KO2 over alternative oxygen sources in weight-critical or space-constrained systems where chemical oxygen generation offers advantages over mechanical or stored-gas alternatives, though handling requires careful moisture control due to its hygroscopic nature.

aerospace life support systemssubmarine/submersible atmosphericsemergency breathing apparatusspacecraft environmental controlchemical oxygen generationCO2 scrubbing applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
29.12
GPa—
Poisson's Ratio(ν)
0.3300
-—
Shear Modulus(G)
15.87
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
2.352
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
2.000
µB—
Seebeck Coefficient(S)
-14.29
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)2 entries
-0.9829
eV/atom—
↳
-1.018
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.