Chemical Properties of Gentisic acid (CAS 490-79-9)

Gentisic acid

PDF Excel Molecule Calculator
InChI Key
Molecular Weight1
Other Names
  • 2,5-Dhba
  • 2,5-Dihydroxybenzoic acid
  • 2,5-Dioxybenzoic acid
  • 3,6-Dihydroxybenzoic acid
  • 5-Hydroxysalicylic acid
  • Benzoic acid, 2,5-dihydroxy-
  • Gensigen
  • Gensigon
  • Gentisate
  • Gentisinic acid
  • Hydroquinonecarboxylic acid
  • Kyselina 2,5-dihydroxybenzoova
  • Kyselina gentisinova
  • NSC 27224
  • Salicylic acid, 5-hydroxy-
Cheméo is a service of Céondo GmbH, since 2007, we provide simulation, modelling and software development services for the industry. Do not hesitate to contact us for your projects.

Physical Properties

Property Value Unit Source
PAff 531.60 ± 1.30 kJ/mol NIST
Δf -454.51 kJ/mol Joback Calculated Property
Δfgas -570.71 kJ/mol Joback Calculated Property
Δfus 20.80 kJ/mol Vapor P...
Δsub 130.40 ± 1.30 kJ/mol NIST
Δvap 82.90 kJ/mol Joback Calculated Property
log10WS -0.11 Aq. Sol...
logPoct/wat 0.796 Crippen Calculated Property
McVol 104.910 ml/mol McGowan Calculated Property
Pc 8175.04 kPa Joback Calculated Property
Tboil 693.53 K Joback Calculated Property
Tc 922.45 K Joback Calculated Property
Tfus 476.40 K Aq. Sol...
Vc 0.277 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [267.80; 301.93] J/mol×K [693.53; 922.45] Show Hide
Cp,gas 267.80 J/mol×K 693.53 Joback Calculated Property
Cp,gas 273.90 J/mol×K 731.68 Joback Calculated Property
Cp,gas 279.67 J/mol×K 769.84 Joback Calculated Property
Cp,gas 285.24 J/mol×K 807.99 Joback Calculated Property
Cp,gas 290.73 J/mol×K 846.15 Joback Calculated Property
Cp,gas 296.25 J/mol×K 884.30 Joback Calculated Property
Cp,gas 301.93 J/mol×K 922.45 Joback Calculated Property
η [0.0000008; 0.0000285] Pa×s [529.26; 693.53] Show Hide
η 0.0000285 Pa×s 529.26 Joback Calculated Property
η 0.0000136 Pa×s 556.64 Joback Calculated Property
η 0.0000069 Pa×s 584.02 Joback Calculated Property
η 0.0000038 Pa×s 611.39 Joback Calculated Property
η 0.0000021 Pa×s 638.77 Joback Calculated Property
η 0.0000013 Pa×s 666.15 Joback Calculated Property
η 0.0000008 Pa×s 693.53 Joback Calculated Property
ΔfusH 20.80 kJ/mol 476.20 NIST
ΔsubH [117.90; 128.10] kJ/mol [370.50; 380.50] Show Hide
ΔsubH 117.90 ± 1.40 kJ/mol 370.50 NIST
ΔsubH 128.10 ± 1.40 kJ/mol 380.50 NIST
Psub [5.23e-05; 3.07e-04] kPa [361.80; 378.70] Show Hide
Psub 5.23e-05 kPa 361.80 Vapor P...
Psub 5.50e-05 kPa 362.00 Vapor P...
Psub 5.61e-05 kPa 362.00 Vapor P...
Psub 6.93e-05 kPa 363.90 Vapor P...
Psub 7.14e-05 kPa 364.00 Vapor P...
Psub 6.86e-05 kPa 364.10 Vapor P...
Psub 8.54e-05 kPa 365.70 Vapor P...
Psub 8.63e-05 kPa 366.10 Vapor P...
Psub 8.54e-05 kPa 366.20 Vapor P...
Psub 1.04e-04 kPa 368.20 Vapor P...
Psub 1.10e-04 kPa 368.20 Vapor P...
Psub 1.10e-04 kPa 368.20 Vapor P...
Psub 1.35e-04 kPa 370.00 Vapor P...
Psub 1.34e-04 kPa 370.20 Vapor P...
Psub 1.40e-04 kPa 370.30 Vapor P...
Psub 1.62e-04 kPa 372.30 Vapor P...
Psub 1.65e-04 kPa 372.30 Vapor P...
Psub 1.59e-04 kPa 372.40 Vapor P...
Psub 2.19e-04 kPa 374.40 Vapor P...
Psub 2.19e-04 kPa 374.50 Vapor P...
Psub 2.21e-04 kPa 374.60 Vapor P...
Psub 2.47e-04 kPa 376.40 Vapor P...
Psub 2.57e-04 kPa 376.50 Vapor P...
Psub 2.49e-04 kPa 376.70 Vapor P...
Psub 2.95e-04 kPa 378.60 Vapor P...
Psub 3.07e-04 kPa 378.60 Vapor P...
Psub 2.98e-04 kPa 378.70 Vapor P...

Similar Compounds

Salicylic acid. Benzoic acid, 2,3-dihydroxy-. 3-hydroxybenzoic acid. Benzoic acid, 2,5-dihydroxy-, methyl ester. Benzoic acid, 5-chloro-2-hydroxy-. «beta»-Resorcylic acid. Benzoic acid, 5-bromo-2-hydroxy-. 2-Naphthalenecarboxylic acid, 3-hydroxy-. 5-Methylsalicylic acid. 2-Hydroxy-4-methylbenzoic acid. Benzoic acid, 2,6-dihydroxy-. Calcium salicylate. 1,4-Benzenedicarboxylic acid, 2,3-dihydroxy-. 2,5-Dimethoxybenzoic acid. methyl salicylate.

Find more compounds similar to Gentisic acid.


Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.