1,2,3-Benzenetriol
- Formula: C6H6O3
- Molecular weight: 126.1100
- IUPAC Standard InChIKey: WQGWDDDVZFFDIG-UHFFFAOYSA-N
- CAS Registry Number: 87-66-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Pyrogallol; C.I. Oxidation Base 32; C.I. 76515; Fouramine Brown AP; Fourrine PG; Fourrine 85; Pyrogallic acid; 1,2,3-Trihydroxybenzene; Benzene, 1,2,3-trihydroxy-; 1,2,3-Trihydroxybenzen; 2,3-Dihydroxyphenol; Fouramine base ap; Piral; Pyro; Benzene-1,2,3-triol; NSC 5035; C.I. 76551; Phenol
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Gas phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -103.8 ± 0.26 | kcal/mol | Ccb | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 |
Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -131.7 ± 0.2 | kcal/mol | Ccb | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -637.5 ± 0.1 | kcal/mol | Ccb | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | Corresponding ΔfHºsolid = -131.7 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -618.1 | kcal/mol | Ccb | Barker, 1925 | Corresponding ΔfHºsolid = -151.2 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 582.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 582.15 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 407. | K | N/A | Rai and George, 1992 | Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 398.65 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 24.9 | kcal/mol | GS | Verevkin and Schick, 2004 | Based on data from 326. to 370. K.; AC |
ΔsubH° | 27.9 ± 0.1 | kcal/mol | C | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | ALS |
ΔsubH° | 27.94 | kcal/mol | N/A | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | DRB |
ΔsubH° | 27.9 ± 0.1 | kcal/mol | C | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
444.2 | 0.016 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
16.6 | 440. | A | Stephenson and Malanowski, 1987 | Based on data from 425. to 582. K. See also von Terres, Gebert, et al., 1955.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
450.5 to 582. | 6.19644 | 3454.794 | -23.348 | von Terres, Gebert, et al., 1955, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
21.3 | 387. | Hirsbrunner, 1934 | Based on data from 377. to 398. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.19 | 405.6 | Verevkin and Schick, 2004 | AC |
4.434 | 407.2 | Rai and George, 1992, 2 | AC |
Gas Chromatography
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 1385.7 | Tret'yakov, 2008 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1329. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
Capillary | DB-1 | 1329. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
Capillary | DB-1 | 1341. | Park, Lee, et al., 2004 | 60. m/0.32 mm/0.25 μm, He, 35. C @ 4. min, 2. K/min, 230. C @ 25. min |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro Da Silva, Ribeiro Da Silva, et al., 1986
Ribeiro Da Silva, M.D.M.C.; Ribeiro Da Silva, M.A.V.; Pilcher, G.,
Enthalpies of combustion of the three trihydroxybenzenes and of 3-methoxycatechol and 4-nitrocatechol,
J. Chem. Thermodyn., 1986, 18, 295-300. [all data]
Barker, 1925
Barker, M.F.,
Calorific value and constitution,
J. Phys. Chem., 1925, 29, 1345-1363. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Perkin, 1896
Perkin, W.H.,
LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds,
J. Chem. Soc., 1896, 69, 1025-1257. [all data]
Rai and George, 1992
Rai, U.S.; George, S.,
A physicochemical study on organic eutectics and addition compound; benzidine-pyrogallol system,
Can. J. Chem., 1992, 70, 2869-74. [all data]
Verevkin and Schick, 2004
Verevkin, Sergey P.; Schick, Christoph,
Determination of vapor pressures, enthalpies of sublimation, and enthalpies of fusion of benzenetriols,
Thermochimica Acta, 2004, 415, 1-2, 35-42, https://doi.org/10.1016/j.tca.2003.09.011
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
von Terres, Gebert, et al., 1955
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W.,
Brennst.-Chem., 1955, 36, 272. [all data]
von Terres, Gebert, et al., 1955, 2
von Terres, E.; Gebert, F.; Hulsemann, H.; Petereit, H.; Toepsch, H.; Ruppert, W.,
Zur Kenntnis der physikalisch-chemischen Grundlagen der Gewinnung und Zerlegung der Phenolfraktionen von Steinkohlenteer und Braunkohlenschwelteer. IV. Mitteilung Die Dampfdrucke von Phenol und Phenolderivaten,
Brennst.-Chem., 1955, 36, 272-274. [all data]
Hirsbrunner, 1934
Hirsbrunner, H.,
Uber das gleichgewicht der thermischen dissoziation der salicylsaure,
Helv. Chim. Acta, 1934, 17, 477-504. [all data]
Rai and George, 1992, 2
Rai, U.S.; George, Santhi,
A physicochemical study on organic eutectics and addition compound; benzidine--pyrogallol system,
Can. J. Chem., 1992, 70, 12, 2869-2874, https://doi.org/10.1139/v92-366
. [all data]
Tret'yakov, 2008
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2008. [all data]
Park, Lee, et al., 2004
Park, B.-S.; Lee, K.-G.; Takeoka, G.R.,
Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC),
Flavour Fragr. J., 2004, 19, 4, 287-292, https://doi.org/10.1002/ffj.1345
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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