Input interpretation
potassium sulfate
Chemical names and formulas
formula | K_2SO_4 Hill formula | K_2O_4S name | potassium sulfate IUPAC name | dipotassium sulfate alternate names | dipotassium sulfate mass fractions | K (potassium) 44.9% | O (oxygen) 36.7% | S (sulfur) 18.4%
Structure diagram
Structure diagram
vertex count | 7 edge count | 4 Schultz index | 64 Wiener index | 16 Hosoya index | 5 Balaban index | 3.024
Basic properties
molar mass | 174.25 g/mol solubility in water | soluble
Units
Thermodynamic properties
specific heat capacity c_p | solid | 0.7547 J/(g K) molar heat capacity c_p | solid | 131.5 J/(mol K) specific free energy of formation Δ_fG° | solid | -7.583 kJ/g molar free energy of formation Δ_fG° | solid | -1321 kJ/mol specific heat of formation Δ_fH° | solid | -8.251 kJ/g molar heat of formation Δ_fH° | solid | -1438 kJ/mol molar heat of fusion | 36.6 kJ/mol | specific heat of fusion | 0.21 kJ/g | (at STP)
Chemical identifiers
![CAS number | 7778-80-5 PubChem CID number | 24507 PubChem SID number | 24852202 SMILES identifier | [O-]S(=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/2K.H2O4S/c;;1-5(2, 3)4/h;;(H2, 1, 2, 3, 4)/q2*+1;/p-2/f2K.O4S/q2m;-2 RTECS number | TT5900000 MDL number | MFCD00011388](../image_source/d821ef0e1be055dd4cf52e86e903e29c.png)
CAS number | 7778-80-5 PubChem CID number | 24507 PubChem SID number | 24852202 SMILES identifier | [O-]S(=O)(=O)[O-].[K+].[K+] InChI identifier | InChI=1/2K.H2O4S/c;;1-5(2, 3)4/h;;(H2, 1, 2, 3, 4)/q2*+1;/p-2/f2K.O4S/q2m;-2 RTECS number | TT5900000 MDL number | MFCD00011388
Toxicity properties
lethal dosage | 6600 mg/kg (oral dose for rats)
probable lethal dose for man | 1 L (liter)
Ion equivalents
K^+ (potassium cation) | 2 (SO_4)^(2-) (sulfate anion) | 1