Chemical Properties of Sulfuric Acid (CAS 7664-93-9)

Sulfuric Acid

InChI
InChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
InChI Key
QAOWNCQODCNURD-UHFFFAOYSA-N
Formula
H2O4S
SMILES
O=S(=O)(O)O
Molecular Weight1
98.08
CAS
7664-93-9
Other Names
  • Acide sulfurique
  • Acido solforico
  • BOV
  • Battery acid
  • Dihydrogen sulfate
  • Dipping acid
  • Electrolyte acid
  • H2SO4
  • Hydrogen sulfate
  • Matting acid
  • Mattling acid
  • Nordhausen acid
  • O2S(OH)2
  • Oil of vitriol
  • Schwefelsaeureloesungen
  • Spirit of alum
  • Spirit of vitriol
  • Sulphuric acid
  • Vitriol brown oil
  • Vitriol, oil of
  • Zwavelzuuroplossingen
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Physical Properties

Property Value Unit Source
PAff 699.40 kJ/mol NIST
BasG [666.90; 683.00] kJ/mol Show Hide
BasG 666.90 kJ/mol NIST
BasG 683.00 ± 5.00 kJ/mol NIST
BasG 680.00 kJ/mol NIST
SProt 4.90 J/mol×K NIST
ΔfH°(+) ion 500.00 ± 20.00 kJ/mol NIST
ΔfusH° 15.31 kJ/mol Joback Calculated Property
IE 12.40 ± 0.05 eV NIST
logPoct/wat -0.653 Crippen Calculated Property
McVol 50.690 ml/mol McGowan Calculated Property

Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Correlations

Property Value Unit Temperature (K) Source
Cp,gas [83.68; 137.67] J/mol×K [298.00; 1200.00] NIST Show Hide
EquationY = A + B·t + C·t² + D·t³ + E/t², t = T/1000
Y is Cp,gas in J/mol×K, T in K
Coefficient A4.72892e+01
Coefficient B1.90331e+02
Coefficient C-1.48130e+02
Coefficient D4.38663e+01
Coefficient E-7.40016e-01
ReferenceChase, 1998
Temperature range, min.298.00
Temperature range, max.1200.00
Cp,gas 83.68 J/mol×K 298.00 Calculated Property
Cp,gas 97.70 J/mol×K 398.22 Calculated Property
Cp,gas 107.81 J/mol×K 498.44 Calculated Property
Cp,gas 115.49 J/mol×K 598.67 Calculated Property
Cp,gas 121.42 J/mol×K 698.89 Calculated Property
Cp,gas 126.02 J/mol×K 799.11 Calculated Property
Cp,gas 129.65 J/mol×K 899.33 Calculated Property
Cp,gas 132.60 J/mol×K 999.56 Calculated Property
Cp,gas 135.19 J/mol×K 1099.78 Calculated Property
Cp,gas 137.67 J/mol×K 1200.00 Calculated Property
Cp,gas [137.42; 156.74] J/mol×K [1200.00; 6000.00] NIST Show Hide
EquationY = A + B·t + C·t² + D·t³ + E/t², t = T/1000
Y is Cp,gas in J/mol×K, T in K
Coefficient A1.39229e+02
Coefficient B9.51366e+00
Coefficient C-1.79558e+00
Coefficient D1.18069e-01
Coefficient E-1.56149e+01
ReferenceChase, 1998
Temperature range, min.1200.00
Temperature range, max.6000.00
Cp,gas 137.42 J/mol×K 1200.00 Calculated Property
Cp,gas 145.74 J/mol×K 1733.33 Calculated Property
Cp,gas 149.90 J/mol×K 2266.67 Calculated Property
Cp,gas 152.39 J/mol×K 2800.00 Calculated Property
Cp,gas 153.96 J/mol×K 3333.33 Calculated Property
Cp,gas 154.95 J/mol×K 3866.67 Calculated Property
Cp,gas 155.58 J/mol×K 4400.00 Calculated Property
Cp,gas 156.00 J/mol×K 4933.33 Calculated Property
Cp,gas 156.34 J/mol×K 5466.67 Calculated Property
Cp,gas 156.74 J/mol×K 6000.00 Calculated Property
Property Value Unit Temperature (K) Source
Pvap [8.96e-06; 101.32] kPa [298.15; 610.00] The Yaws Handbook of Vapor Pressure Show Hide
Equationln(Y) = A + B/(T + C)
Y is Pvap in kPa, T in K
Coefficient A1.70628e+01
Coefficient B-6.85442e+03
Coefficient C-5.92000e+01
Temperature range, min.298.15
Temperature range, max.610.00
Pvap 8.96e-06 kPa 298.15 Calculated Property
Pvap 3.39e-04 kPa 332.80 Calculated Property
Pvap 5.66e-03 kPa 367.45 Calculated Property
Pvap 0.05 kPa 402.10 Calculated Property
Pvap 0.34 kPa 436.75 Calculated Property
Pvap 1.54 kPa 471.40 Calculated Property
Pvap 5.60 kPa 506.05 Calculated Property
Pvap 16.90 kPa 540.70 Calculated Property
Pvap 43.94 kPa 575.35 Calculated Property
Pvap 101.32 kPa 610.00 Calculated Property

Similar Compounds

Potassium bisulfate. Chloridosulfuric acid. Potassium sulfate. Ammonium bisulfate. Sodium sulfate. Calcium sulfate, anhydrous. Barium sulfate (synthetic). Barium sulfate (barytes, mineral). Sodium sulfite. AMIDOSULFONIC ACID. METHANESULFONIC ACID. Barium sulfite. Ammonium sulfate. Sodium metabisulfite. Sodium bisulfite.

Find more compounds similar to Sulfuric Acid.

Mixtures

Sources

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