Chemical Properties of nitric acid (CAS 7697-37-2)

nitric acid

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InChI Key
Molecular Weight1
Other Names
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Physical Properties

Property Value Unit Source
PAff [670.30; 751.40] kJ/mol Show Hide
PAff 751.40 kJ/mol NIST
PAff 670.30 kJ/mol NIST
BasG 731.50 kJ/mol NIST
EA [0.56; 0.57] eV Show Hide
EA 0.57 ± 0.15 eV NIST
EA 0.56 ± 0.17 eV NIST
Δf -152.15 kJ/mol Joback Calculated Property
Δfgas -206.32 kJ/mol Joback Calculated Property
Δfus 11.21 kJ/mol Joback Calculated Property
Δvap 48.86 kJ/mol Joback Calculated Property
IE [11.03; 12.20] eV Show Hide
IE 11.95 ± 0.01 eV NIST
IE 11.96 eV NIST
IE 11.03 ± 0.01 eV NIST
IE 12.20 eV NIST
log10WS 0.44 Crippen Calculated Property
logPoct/wat -0.348 Crippen Calculated Property
McVol 34.150 ml/mol McGowan Calculated Property
NFPA Health 2 KDB
NFPA Safety 1 KDB
Pc 8058.04 kPa Joback Calculated Property
Tboil 443.42 K Joback Calculated Property
Tc 648.46 K Joback Calculated Property
Tfus 294.19 K Joback Calculated Property
Vc 0.137 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [59.38; 71.89] J/mol×K [443.42; 648.46] Show Hide
Cp,gas 59.38 J/mol×K 443.42 Joback Calculated Property
Cp,gas 61.79 J/mol×K 477.59 Joback Calculated Property
Cp,gas 64.07 J/mol×K 511.77 Joback Calculated Property
Cp,gas 66.21 J/mol×K 545.94 Joback Calculated Property
Cp,gas 68.23 J/mol×K 580.12 Joback Calculated Property
Cp,gas 70.12 J/mol×K 614.29 Joback Calculated Property
Cp,gas 71.89 J/mol×K 648.46 Joback Calculated Property
ΔvapH 38.60 kJ/mol 314.50 NIST


Property Value Unit Temperature (K) Source
Pvap [0.06; 196.21] kPa [231.55; 376.10] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.54030e+01
Coefficient B-3.29672e+03
Coefficient C-5.04600e+01
Temperature range, min.231.55
Temperature range, max.376.10
Pvap 0.06 kPa 231.55 Calculated Property
Pvap 0.27 kPa 247.61 Calculated Property
Pvap 0.94 kPa 263.67 Calculated Property
Pvap 2.78 kPa 279.73 Calculated Property
Pvap 7.14 kPa 295.79 Calculated Property
Pvap 16.30 kPa 311.86 Calculated Property
Pvap 33.82 kPa 327.92 Calculated Property
Pvap 64.80 kPa 343.98 Calculated Property
Pvap 116.04 kPa 360.04 Calculated Property
Pvap 196.21 kPa 376.10 Calculated Property

Similar Compounds

Nitrous acid. Nitrogen trioxide. NO3 anion. Sodium nitrate. Fluorine nitrate. Silver Nitrate. Potassium nitrate. Chlorine nitrate. Nitrogen dioxide. Nitrogen oxide anion. dinitrogen pentaoxide. Potassium nitrite. Silver nitrite. Ammonium nitrate. Hydroxylamine.

Find more compounds similar to nitric acid.



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