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potassium peroxide

Input interpretation

potassium peroxide
potassium peroxide

Chemical names and formulas

formula | K_2O_2 name | potassium peroxide IUPAC name | dipotassium peroxide alternate names | dipotassium peroxide | dipotassium dioxide mass fractions | K (potassium) 71% | O (oxygen) 29%
formula | K_2O_2 name | potassium peroxide IUPAC name | dipotassium peroxide alternate names | dipotassium peroxide | dipotassium dioxide mass fractions | K (potassium) 71% | O (oxygen) 29%

Structure diagram

Structure diagram
Structure diagram
vertex count | 4 edge count | 1 Schultz index | 4 Wiener index | 1 Hosoya index | 2 Balaban index | 1
vertex count | 4 edge count | 1 Schultz index | 4 Wiener index | 1 Hosoya index | 2 Balaban index | 1

Basic properties

molar mass | 110.19 g/mol phase | solid (at STP) melting point | 490 °C density | 1 g/cm^3 solubility in water | reacts
molar mass | 110.19 g/mol phase | solid (at STP) melting point | 490 °C density | 1 g/cm^3 solubility in water | reacts

Units

Solid properties (at STP)

density | 1 g/cm^3
density | 1 g/cm^3

Units

Thermodynamic properties

specific free energy of formation Δ_fG° | solid | -3.858 kJ/g molar free energy of formation Δ_fG° | solid | -425.1 kJ/mol specific heat of formation Δ_fH° | solid | -3.281 kJ/g molar heat of formation Δ_fH° | solid | -361.5 kJ/mol specific entropy S° | solid | 1.025 J/(g K) molar entropy S° | solid | 113 J/(mol K) molar heat of fusion | 20.5 kJ/mol |  specific heat of fusion | 0.186 kJ/g |  (at STP)
specific free energy of formation Δ_fG° | solid | -3.858 kJ/g molar free energy of formation Δ_fG° | solid | -425.1 kJ/mol specific heat of formation Δ_fH° | solid | -3.281 kJ/g molar heat of formation Δ_fH° | solid | -361.5 kJ/mol specific entropy S° | solid | 1.025 J/(g K) molar entropy S° | solid | 113 J/(mol K) molar heat of fusion | 20.5 kJ/mol | specific heat of fusion | 0.186 kJ/g | (at STP)

Chemical identifiers

CAS number | 17014-71-0 PubChem CID number | 28202 SMILES identifier | [O-][O-].[K+].[K+] InChI identifier | InChI=1/2K.O2/c;;1-2/q2*+1;-2 EU number | 241-089-8 Gmelin number | 119841
CAS number | 17014-71-0 PubChem CID number | 28202 SMILES identifier | [O-][O-].[K+].[K+] InChI identifier | InChI=1/2K.O2/c;;1-2/q2*+1;-2 EU number | 241-089-8 Gmelin number | 119841

NFPA label

NFPA label
NFPA label
NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent
NFPA health rating | 3 NFPA fire rating | 0 NFPA reactivity rating | 1 NFPA hazards | oxidizing agent

Ion equivalents

(O_2)^(2-) (peroxide anion) | 1 K^+ (potassium cation) | 2
(O_2)^(2-) (peroxide anion) | 1 K^+ (potassium cation) | 2