Chemical Properties of Benzoic acid, 3,4-dihydroxy- (CAS 99-50-3)

Benzoic acid, 3,4-dihydroxy-

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InChI
InChI=1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)
InChI Key
YQUVCSBJEUQKSH-UHFFFAOYSA-N
Formula
C7H6O4
SMILES
O=C(O)c1ccc(O)c(O)c1
Molecular Weight1
154.12
CAS
99-50-3
Other Names
  • 3,4-dihydroxybenzoic acid
  • 4-Carboxy-1,2-dihydroxybenzene
  • Protocatechuic acid
  • protocatechoic acid
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Physical Properties

Property Value Unit Source
Δf -454.51 kJ/mol Joback Calculated Property
Δfgas -570.71 kJ/mol Joback Calculated Property
Δfus 34.00 kJ/mol Thermoc...
Δsub 135.10 ± 1.20 kJ/mol NIST
Δvap 82.90 kJ/mol Joback Calculated Property
log10WS -0.63 Crippen Calculated Property
logPoct/wat 0.796 Crippen Calculated Property
McVol 104.910 ml/mol McGowan Calculated Property
Pc 8175.04 kPa Joback Calculated Property
Inp [1557.00; 1557.00]   Show Hide
Inp 1557.00 NIST
Inp 1557.00 NIST
Tboil 693.53 K Joback Calculated Property
Tc 922.45 K Joback Calculated Property
Tfus 529.26 K Joback Calculated Property
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 31.20 kJ/mol 472.30 NIST
ΔsubH 132.30 ± 1.20 kJ/mol 395.00 NIST
Psub [8.60e-05; 4.52e-04] kPa [387.12; 403.26] Show Hide
Psub 8.70e-05 kPa 387.12 Vapor P...
Psub 8.60e-05 kPa 387.12 Vapor P...
Psub 8.90e-05 kPa 387.12 Vapor P...
Psub 1.32e-04 kPa 391.31 Vapor P...
Psub 1.33e-04 kPa 391.31 Vapor P...
Psub 1.33e-04 kPa 391.31 Vapor P...
Psub 1.66e-04 kPa 393.33 Vapor P...
Psub 1.64e-04 kPa 393.33 Vapor P...
Psub 1.65e-04 kPa 393.33 Vapor P...
Psub 2.02e-04 kPa 395.20 Vapor P...
Psub 2.01e-04 kPa 395.20 Vapor P...
Psub 2.00e-04 kPa 395.20 Vapor P...
Psub 2.49e-04 kPa 397.32 Vapor P...
Psub 2.53e-04 kPa 397.32 Vapor P...
Psub 2.50e-04 kPa 397.32 Vapor P...
Psub 3.67e-04 kPa 401.25 Vapor P...
Psub 3.67e-04 kPa 401.25 Vapor P...
Psub 3.65e-04 kPa 401.25 Vapor P...
Psub 4.51e-04 kPa 403.26 Vapor P...
Psub 4.52e-04 kPa 403.26 Vapor P...
Psub 4.50e-04 kPa 403.26 Vapor P...

Similar Compounds

Benzoic acid, 3,4,5-trihydroxy-. Benzoic acid, 3,4-dihydroxy-, methyl ester. 3-hydroxybenzoic acid. 3-Hydroxy-4-methoxybenzoic acid. Vanillic acid. 2,3,4-Trihydroxybenzoic acid. Ethyl 3,4-dihydroxybenzoate. Benzoic acid, 2,3-dihydroxy-. «beta»-Resorcylic acid. 4-hydroxybenzoic acid. Benzoic acid, 4-chloro-3-hydroxy-. methyl gallate. 4-Methoxy-3,5-dihydroxybenzoic acid. Gentisic acid. Benzoic acid, 3,5-dihydroxy-.

Find more compounds similar to Benzoic acid, 3,4-dihydroxy-.

Mixtures

Sources

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