Chemical Properties of 4-hydroxybenzoic acid (CAS 99-96-7)

4-hydroxybenzoic acid

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InChI
InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)
InChI Key
FJKROLUGYXJWQN-UHFFFAOYSA-N
Formula
C7H6O3
SMILES
O=C(O)c1ccc(O)cc1
Molecular Weight1
138.12
CAS
99-96-7
Other Names
  • 4-carboxyphenol
  • Benzoic acid, 4-hydroxy-
  • p-hydroxybenzoic acid
  • p-salicylic acid

Physical Properties

Property Value Unit Source
Δcsolid [-3017.60; -3005.40] kJ/mol Show Hide
Δcsolid -3005.40 ± 2.10 kJ/mol NIST
Δcsolid -3017.60 ± 0.50 kJ/mol NIST
Δf -299.89 kJ/mol Joback Calculated Property
Δfgas [-492.60; -480.50] kJ/mol Show Hide
Δfgas -492.60 ± 2.20 kJ/mol NIST
Δfgas -480.50 kJ/mol NIST
Δfsolid [-606.60; -594.50] kJ/mol Show Hide
Δfsolid -606.60 ± 2.10 kJ/mol NIST
Δfsolid -594.50 ± 1.00 kJ/mol NIST
Δfus 19.40 kJ/mol Joback Calculated Property
Δsub [114.00; 117.00] kJ/mol Show Hide
Δsub 117.00 ± 0.50 kJ/mol NIST
Δsub 114.05 ± 0.69 kJ/mol NIST
Δsub 114.00 kJ/mol NIST
Δsub 114.10 ± 0.70 kJ/mol NIST
Δsub 116.10 ± 0.40 kJ/mol NIST
Δvap 69.89 kJ/mol Joback Calculated Property
IE 9.20 ± 0.20 eV NIST
log10WS -1.42 Aq. Sol...
logPoct/wat 1.090 Crippen Calculated Property
McVol 99.040 ml/mol McGowan Calculated Property
Pc 6349.11 kPa Joback Calculated Property
Inp [1537.70; 1577.00]   Show Hide
Inp 1537.70 NIST
Inp 1558.00 NIST
Inp 1558.00 NIST
Inp 1558.00 NIST
Inp 1577.00 NIST
Inp 1558.00 NIST
Inp 1577.00 NIST
solid,1 bar 175.70 J/mol×K NIST
Tboil 612.91 K Joback Calculated Property
Tc 833.23 K Joback Calculated Property
Tfus [486.00; 489.35] K Show Hide
Tfus 488.40 K Aq. Sol...
Tfus 488.10 ± 0.50 K NIST
Tfus 489.00 ± 1.00 K NIST
Tfus 489.35 ± 0.70 K NIST
Tfus 486.00 ± 4.00 K NIST
Vc 0.310 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [233.10; 269.96] J/mol×K [612.91; 833.23] Show Hide
Cp,gas 233.10 J/mol×K 612.91 Joback Calculated Property
Cp,gas 240.40 J/mol×K 649.63 Joback Calculated Property
Cp,gas 247.14 J/mol×K 686.35 Joback Calculated Property
Cp,gas 253.40 J/mol×K 723.07 Joback Calculated Property
Cp,gas 259.25 J/mol×K 759.79 Joback Calculated Property
Cp,gas 264.74 J/mol×K 796.51 Joback Calculated Property
Cp,gas 269.96 J/mol×K 833.23 Joback Calculated Property
Cp,solid [138.90; 218.20] J/mol×K [280.80; 460.70] Show Hide
Cp,solid 138.90 J/mol×K 280.80 Determi...
Cp,solid 155.20 J/mol×K 283.80 NIST
Cp,solid 141.30 J/mol×K 285.80 Determi...
Cp,solid 143.50 J/mol×K 290.80 Determi...
Cp,solid 145.70 J/mol×K 295.80 Determi...
Cp,solid 148.00 J/mol×K 300.70 Determi...
Cp,solid 149.70 J/mol×K 305.80 Determi...
Cp,solid 151.80 J/mol×K 310.80 Determi...
Cp,solid 154.60 J/mol×K 315.80 Determi...
Cp,solid 156.40 J/mol×K 320.80 Determi...
Cp,solid 158.70 J/mol×K 325.80 Determi...
Cp,solid 161.40 J/mol×K 330.80 Determi...
Cp,solid 163.80 J/mol×K 335.80 Determi...
Cp,solid 166.30 J/mol×K 340.80 Determi...
Cp,solid 168.60 J/mol×K 345.80 Determi...
Cp,solid 171.10 J/mol×K 350.80 Determi...
Cp,solid 173.40 J/mol×K 355.80 Determi...
Cp,solid 175.50 J/mol×K 360.80 Determi...
Cp,solid 177.80 J/mol×K 365.70 Determi...
Cp,solid 180.00 J/mol×K 370.70 Determi...
Cp,solid 182.00 J/mol×K 375.70 Determi...
Cp,solid 184.40 J/mol×K 380.80 Determi...
Cp,solid 186.70 J/mol×K 385.80 Determi...
Cp,solid 188.90 J/mol×K 390.80 Determi...
Cp,solid 191.00 J/mol×K 395.80 Determi...
Cp,solid 193.10 J/mol×K 400.80 Determi...
Cp,solid 195.10 J/mol×K 405.80 Determi...
Cp,solid 197.00 J/mol×K 410.80 Determi...
Cp,solid 198.70 J/mol×K 415.80 Determi...
Cp,solid 200.40 J/mol×K 420.80 Determi...
Cp,solid 202.20 J/mol×K 425.80 Determi...
Cp,solid 204.50 J/mol×K 430.80 Determi...
Cp,solid 207.10 J/mol×K 435.80 Determi...
Cp,solid 209.50 J/mol×K 440.80 Determi...
Cp,solid 211.60 J/mol×K 445.80 Determi...
Cp,solid 213.80 J/mol×K 450.80 Determi...
Cp,solid 215.90 J/mol×K 455.80 Determi...
Cp,solid 218.20 J/mol×K 460.70 Determi...
η [0.0000161; 0.0010587] Pa×s [417.54; 612.91] Show Hide
η 0.0010587 Pa×s 417.54 Joback Calculated Property
η 0.0004096 Pa×s 450.10 Joback Calculated Property
η 0.0001801 Pa×s 482.66 Joback Calculated Property
η 0.0000879 Pa×s 515.23 Joback Calculated Property
η 0.0000467 Pa×s 547.79 Joback Calculated Property
η 0.0000266 Pa×s 580.35 Joback Calculated Property
η 0.0000161 Pa×s 612.91 Joback Calculated Property
ΔfusH [30.85; 32.00] kJ/mol [487.20; 489.00] Show Hide
ΔfusH 31.40 kJ/mol 487.20 NIST
ΔfusH 32.00 kJ/mol 488.00 NIST
ΔfusH 30.90 kJ/mol 488.10 NIST
ΔfusH 30.90 kJ/mol 488.10 NIST
ΔfusH 30.85 kJ/mol 489.00 NIST
ΔsubH [112.40; 116.30] kJ/mol [363.00; 415.50] Show Hide
ΔsubH 112.40 ± 0.70 kJ/mol 363.00 NIST
ΔsubH 116.30 kJ/mol 415.50 NIST

Similar Compounds

methyl 4-hydroxybenzoate. Benzoic acid, 4-methoxy-. Benzoic acid, 3,4-dihydroxy-. 4-(Trifluoromethoxy)benzoic acid. Benzoic acid, 4-phenoxy-. 3-hydroxybenzoic acid. «beta»-Resorcylic acid. 3-Chloro-4-hydroxybenzoic acid. Benzoic acid, 4-(trifluoroacetyloxy)-. Salicylic acid. Benzoic acid, 4-(acetyloxy)-. Ethylparaben. Benzaldehyde, 4-hydroxy-. Benzoic acid, 4-ethoxy-. Benzenemethanol, 4-hydroxy-.

Find more compounds similar to 4-hydroxybenzoic acid.

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