Chemical Properties of Hydroquinone (CAS 123-31-9)

Hydroquinone

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InChI
InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
InChI Key
QIGBRXMKCJKVMJ-UHFFFAOYSA-N
Formula
C6H6O2
SMILES
Oc1ccc(O)cc1
Molecular Weight1
110.11
CAS
123-31-9
Other Names
  • 1,4-Benzenediol
  • 1,4-Benzenediol (hydroquinone)
  • 1,4-Dihydroxy-benzeen
  • 1,4-Dihydroxy-benzol
  • 1,4-Dihydroxybenzen
  • 1,4-Dihydroxybenzene
  • 1,4-Diidrobenzene
  • 4-Hydroxyphenol
  • Aida
  • Arctuvin
  • Benzene, p-dihydroxy-
  • Benzohydroquinone
  • Benzoquinol
  • Black & White Bleaching Cream
  • Black and White Bleaching Cream
  • Derma-Blanch
  • Diak 5
  • Dihydroquinone
  • Eldopacque
  • Eldopaque
  • Eldopaque forte
  • Eldoquin
  • Eldoquin forte
  • HE 5
  • Hidroquinone
  • Hydrochinon
  • Hydrochinone
  • Hydroquinol
  • Hydroquinole
  • Idrochinone
  • NCI-C55834
  • Phiaquin
  • Quinol
  • Solaquin forte
  • Tecquinol
  • Tenox HQ
  • Tequinol
  • UN 2662
  • USAF EK-356
  • p-Benzenediol
  • p-Dihydroquinone
  • p-Dihydroxybenzene
  • p-Dioxobenzene
  • p-Dioxybenzene
  • p-Hydroquinone
  • p-Hydroxyphenol
  • p-quinol
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Physical Properties

Property Value Unit Source
Δcsolid [-2865.00; -2824.68] kJ/mol Show Hide
Δcsolid -2847.50 ± 1.20 kJ/mol NIST
Δcsolid Outlier -2824.68 kJ/mol NIST
Δcsolid -2852.40 ± 0.88 kJ/mol NIST
Δcsolid -2855.60 kJ/mol NIST
Δcsolid -2858.00 kJ/mol NIST
Δcsolid -2865.00 kJ/mol NIST
Δcsolid -2856.00 kJ/mol NIST
Δcsolid -2861.00 kJ/mol NIST
Δf -187.56 kJ/mol Joback Calculated Property
Δfgas [-277.00; -266.90] kJ/mol Show Hide
Δfgas -277.00 ± 1.40 kJ/mol NIST
Δfgas -272.00 kJ/mol NIST
Δfgas -268.90 kJ/mol NIST
Δfgas -266.90 kJ/mol NIST
Δfgas -268.40 kJ/mol NIST
Δfsolid [-371.10; -361.00] kJ/mol Show Hide
Δfsolid -371.10 ± 1.30 kJ/mol NIST
Δfsolid -366.10 ± 1.20 kJ/mol NIST
Δfsolid -363.00 ± 1.00 kJ/mol NIST
Δfsolid -361.00 kJ/mol NIST
Δfsolid -362.50 kJ/mol NIST
Δfus [23.78; 27.23] kJ/mol Show Hide
Δfus 27.23 kJ/mol Di-Hydr...
Δfus 23.78 kJ/mol Measure...
Δsub [94.10; 103.76] kJ/mol Show Hide
Δsub 94.13 ± 0.53 kJ/mol NIST
Δsub 94.10 kJ/mol NIST
Δsub 94.10 ± 0.50 kJ/mol NIST
Δsub 99.20 ± 1.70 kJ/mol NIST
Δsub 103.76 kJ/mol NIST
Δvap 84.40 ± 0.70 kJ/mol NIST
IE [7.93; 8.44] eV Show Hide
IE 7.94 ± 0.01 eV NIST
IE 7.93 ± 0.01 eV NIST
IE 7.95 ± 0.05 eV NIST
IE 7.95 ± 0.03 eV NIST
IE 8.44 eV NIST
log10WS [-0.17; -0.17]   Show Hide
log10WS -0.17 Aq. Sol...
log10WS -0.17 Estimat...
logPoct/wat 1.098 Crippen Calculated Property
McVol 83.380 ml/mol McGowan Calculated Property
Pc 7561.44 kPa Joback Calculated Property
Inp [207.49; 1334.00]   Show Hide
Inp 1327.00 NIST
Inp 1334.00 NIST
Inp 1241.00 NIST
Inp 1334.00 NIST
Inp 220.60 NIST
Inp 207.49 NIST
Inp 220.60 NIST
Inp 1334.00 NIST
Inp 1241.00 NIST
Inp 1327.00 NIST
I [2693.00; 2693.00]   Show Hide
I 2693.00 NIST
I 2693.00 NIST
I 2693.00 NIST
gas 343.10 ± 5.00 J/mol×K NIST
Tboil [558.20; 558.20] K Show Hide
Tboil 558.20 K NIST
Tboil 558.20 ± 1.00 K NIST
Tc 766.85 K Joback Calculated Property
Tfus [443.50; 445.35] K Show Hide
Tfus 445.35 K Aq. Sol...
Tfus 445.15 K Liquid ...
Tfus 445.00 K Enthalp...
Tfus 445.00 ± 0.60 K NIST
Tfus 445.00 K NIST
Tfus Outlier 443.50 ± 0.30 K NIST
Ttriple [445.50; 445.98] K Show Hide
Ttriple 445.98 ± 0.03 K NIST
Ttriple 445.50 ± 0.30 K NIST
Vc 0.196 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [186.33; 226.33] J/mol×K [519.62; 766.85] Show Hide
Cp,gas 186.33 J/mol×K 519.62 Joback Calculated Property
Cp,gas 194.85 J/mol×K 560.83 Joback Calculated Property
Cp,gas 202.41 J/mol×K 602.03 Joback Calculated Property
Cp,gas 209.18 J/mol×K 643.24 Joback Calculated Property
Cp,gas 215.32 J/mol×K 684.44 Joback Calculated Property
Cp,gas 220.99 J/mol×K 725.65 Joback Calculated Property
Cp,gas 226.33 J/mol×K 766.85 Joback Calculated Property
Cp,solid [130.50; 150.20] J/mol×K [274.30; 323.00] Show Hide
Cp,solid 130.50 J/mol×K 274.30 NIST
Cp,solid 133.50 J/mol×K 297.90 NIST
Cp,solid 139.70 J/mol×K 298.00 NIST
Cp,solid 131.90 J/mol×K 298.15 NIST
Cp,solid 136.40 J/mol×K 298.15 NIST
Cp,solid 150.20 J/mol×K 323.00 NIST
η [0.0000251; 0.0009603] Pa×s [394.72; 519.62] Show Hide
η 0.0009603 Pa×s 394.72 Joback Calculated Property
η 0.0004493 Pa×s 415.54 Joback Calculated Property
η 0.0002260 Pa×s 436.35 Joback Calculated Property
η 0.0001210 Pa×s 457.17 Joback Calculated Property
η 0.0000684 Pa×s 477.99 Joback Calculated Property
η 0.0000406 Pa×s 498.80 Joback Calculated Property
η 0.0000251 Pa×s 519.62 Joback Calculated Property
ΔfusH [26.48; 27.23] kJ/mol [444.95; 453.00] Show Hide
ΔfusH 26.50 kJ/mol 444.95 NIST
ΔfusH 27.23 kJ/mol 445.10 NIST
ΔfusH 27.11 kJ/mol 445.10 NIST
ΔfusH 27.11 kJ/mol 445.50 NIST
ΔfusH 26.48 kJ/mol 453.00 NIST
ΔsubH [93.70; 104.00] kJ/mol [322.00; 370.50] Show Hide
ΔsubH 103.80 kJ/mol 322.00 NIST
ΔsubH 100.60 ± 1.30 kJ/mol 332.00 NIST
ΔsubH 93.70 ± 0.50 kJ/mol 334.00 NIST
ΔsubH 103.80 kJ/mol 335.50 NIST
ΔsubH 104.00 ± 1.00 kJ/mol 342.00 NIST
ΔsubH 99.00 ± 2.00 kJ/mol 351.00 NIST
ΔsubH 101.30 kJ/mol 370.50 NIST
ΔvapH 70.50 kJ/mol 503.50 NIST
Psub [5.13e-05; 3.53e-04] kPa [322.80; 339.40] Show Hide
Psub 5.56e-05 kPa 322.80 Vapor P...
Psub 5.45e-05 kPa 322.80 Vapor P...
Psub 5.13e-05 kPa 322.80 Vapor P...
Psub 6.59e-05 kPa 324.80 Vapor P...
Psub 7.43e-05 kPa 324.90 Vapor P...
Psub 6.93e-05 kPa 324.90 Vapor P...
Psub 9.44e-05 kPa 326.90 Vapor P...
Psub 8.72e-05 kPa 326.90 Vapor P...
Psub 8.46e-05 kPa 326.90 Vapor P...
Psub 1.13e-04 kPa 328.90 Vapor P...
Psub 1.09e-04 kPa 329.00 Vapor P...
Psub 1.05e-04 kPa 329.00 Vapor P...
Psub 1.38e-04 kPa 331.00 Vapor P...
Psub 1.38e-04 kPa 331.00 Vapor P...
Psub 1.42e-04 kPa 331.10 Vapor P...
Psub 1.77e-04 kPa 333.10 Vapor P...
Psub 1.72e-04 kPa 333.20 Vapor P...
Psub 1.69e-04 kPa 333.20 Vapor P...
Psub 2.32e-04 kPa 335.20 Vapor P...
Psub 2.17e-04 kPa 335.20 Vapor P...
Psub 2.12e-04 kPa 335.20 Vapor P...
Psub 2.62e-04 kPa 337.20 Vapor P...
Psub 2.75e-04 kPa 337.30 Vapor P...
Psub 2.64e-04 kPa 337.30 Vapor P...
Psub 3.53e-04 kPa 339.20 Vapor P...
Psub 3.40e-04 kPa 339.40 Vapor P...
Psub 3.33e-04 kPa 339.40 Vapor P...
ρl 1328.00 kg/m3 293.15 Measure...
ρs [1332.00; 1338.00] kg/m3 [293.20; 298.15] Show Hide
ρs 1332.00 kg/m3 293.20 Ternary...
ρs 1338.00 kg/m3 298.15 Liquid ...
ΔfusS [59.00; 60.90] J/mol×K [444.95; 445.50] Show Hide
ΔfusS 59.00 J/mol×K 444.95 NIST
ΔfusS 60.90 J/mol×K 445.50 NIST

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr [558.00; 558.20] K [97.30; 97.30] Show Hide
Tboilr 558.20 K 97.30 NIST
Tboilr 558.00 K 97.30 NIST

Similar Compounds

Phenol-d6-. Phenol. Resorcinol. Phenol, 4,4'-oxybis-. 1,2,4-Benzenetriol. 1,2-Benzenediol. Phenol, 4-iodo-. Mequinol. Phenol, 4-(trifluoromethoxy)-. Phenol, 4-phenoxy-. Phenol, 4-bromo-. Phenol, 4-chloro-. phenoxide anion. Phenol, 4-fluoro-. 2,6-Dihydroxynaphthalene.

Find more compounds similar to Hydroquinone.

Mixtures

Sources

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.
Outlier This icon means that the value is more than 2 standard deviations away from the property mean.

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