Input interpretation
sodium peroxide
Chemical names and formulas
formula | Na_2O_2 name | sodium peroxide IUPAC name | disodium peroxide alternate names | disodium dioxide | disodium peroxide | sodium dioxide mass fractions | Na (sodium) 59% | O (oxygen) 41%
Structure diagram
Structure diagram
vertex count | 4 edge count | 1 Schultz index | 4 Wiener index | 1 Hosoya index | 2 Balaban index | 1
Basic properties
molar mass | 77.978 g/mol phase | solid (at STP) melting point | 660 °C density | 2.805 g/cm^3 solubility in water | reacts
Units
Solid properties (at STP)
density | 2.805 g/cm^3
Units
Thermodynamic properties
specific heat capacity c_p | solid | 1.144 J/(g K) molar heat capacity c_p | solid | 89.2 J/(mol K) specific free energy of formation Δ_fG° | solid | -5.741 kJ/g molar free energy of formation Δ_fG° | solid | -447.7 kJ/mol specific heat of formation Δ_fH° | solid | -6.552 kJ/g molar heat of formation Δ_fH° | solid | -510.9 kJ/mol specific entropy S° | solid | 1.218 J/(g K) molar entropy S° | solid | 95 J/(mol K) molar heat of fusion | 24.5 kJ/mol | specific heat of fusion | 0.314 kJ/g | (at STP)
Chemical identifiers
CAS number | 1313-60-6 PubChem CID number | 14803 SMILES identifier | [O-][O-].[Na+].[Na+] InChI identifier | InChI=1/2Na.O2/c;;1-2/q2*+1;-2 EU number | 215-209-4 Gmelin number | 37866 RTECS number | WD3450000
NFPA label
NFPA label
NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent
Ion equivalents
(O_2)^(2-) (peroxide anion) | 1 Na^+ (sodium cation) | 2