Input interpretation
sodium sulfate
Chemical names and formulas
formula | Na_2SO_4 Hill formula | Na_2O_4S name | sodium sulfate IUPAC name | disodium sulfate alternate names | bisodium sulfate | disodium sulfate | salt cake | sodium sulfate anhydrous | sodium sulphate mass fractions | Na (sodium) 32.4% | O (oxygen) 45.1% | S (sulfur) 22.6%
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 | 142.04 g/mol phase | solid (at STP) melting point | 884 °C boiling point | 1429 °C density | 2.68 g/cm^3 solubility in water | soluble
Units
Solid properties (at STP)
density | 2.68 g/cm^3
Units
Thermodynamic properties
specific heat capacity c_p | solid | 0.9026 J/(g K) molar heat capacity c_p | solid | 128.2 J/(mol K) specific free energy of formation Δ_fG° | solid | -8.943 kJ/g molar free energy of formation Δ_fG° | solid | -1270 kJ/mol specific heat of formation Δ_fH° | solid | -9.766 kJ/g molar heat of formation Δ_fH° | solid | -1387 kJ/mol molar heat of fusion | 23.85 kJ/mol | specific heat of fusion | 0.1679 kJ/g | (at STP)
Chemical identifiers
CAS number | 7757-82-6 PubChem CID number | 24436 PubChem SID number | 24852268 SMILES identifier | [O-]S(=O)(=O)[O-].[Na+].[Na+] InChI identifier | InChI=1/2Na.H2O4S/c;;1-5(2, 3)4/h;;(H2, 1, 2, 3, 4)/q2*+1;/p-2/f2Na.O4S/q2m;-2 RTECS number | WE1650000 MDL number | MFCD00003504
NFPA label
NFPA label
NFPA health rating | 1 NFPA fire rating | 0 NFPA reactivity rating | 0
Toxicity properties
RTECS classes | tumorigen | mutagen | reproductive effector
Ion equivalents
Na^+ (sodium cation) | 2 (SO_4)^(2-) (sulfate anion) | 1