Phenol, 2,4-dinitro-
- Formula: C6H4N2O5
- Molecular weight: 184.1064
- IUPAC Standard InChIKey: UFBJCMHMOXMLKC-UHFFFAOYSA-N
- CAS Registry Number: 51-28-5
- 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: α-Dinitrophenol; Aldifen; Fenoxyl Carbon N; Nitrophen; Nitrophene; Phenol, α-dinitro-; Solfo Black B; Solfo Black BB; Solfo Black G; Solfo Black SB; Solfo Black 2B Supra; Tertrosulphur Black PB; Tertrosulphur PBR; 1-Hydroxy-2,4-dinitrobenzene; 2,4-Dinitrophenol; 2,4-DNP; Chemox PE; Dinitrofenolo; Dinitrophenol; DNP; EK 102; Nitro kleenup; NSC 1532; X 32; 2,4-Dinitrofenol; Dinofan; Maroxol-50; Rcra waste number P048; Tertrosulfur black pb; Tertrosulfur PBR
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Phase change data
Go To: Top, Gas phase ion energetics data, References, Notes
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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 388.0 | K | N/A | Poeti, Faneli, et al., 1982 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
25.0 ± 1.0 | 313. | N/A | Hoyer and Peperle, 1958 | Based on data from 293. to 333. K. See also Cox and Pilcher, 1970.; AC |
25.0 ± 1.0 | 293. | V | Hoyer and Peperle, 1958, 2 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 24.3 kcal/mol; ALS |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.7777 | 388.0 | Poeti, Fanelli, et al., 1982 | DH |
6.260 | 383.2 | Musuc, Razus, et al., 2002 | AC |
5.777 | 388. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
14.89 | 388.0 | Poeti, Fanelli, et al., 1982 | DH |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.57 | PE | Dougherty, Younathan, et al., 1978 | LLK |
De-protonation reactions
C6H3N2O5- + =
By formula: C6H3N2O5- + H+ = C6H4N2O5
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 316.0 ± 2.1 | kcal/mol | G+TS | Koppel, Taft, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 308.6 ± 2.0 | kcal/mol | IMRE | Koppel, Taft, et al., 1994 | gas phase; B |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Poeti, Faneli, et al., 1982
Poeti, G.; Faneli, E.; Braghetti, M.J.,
A differential scanning calorimetric study of some phenol derivatives,
Therm. Anal., 1982, 24, 2, 273, https://doi.org/10.1007/BF01913681
. [all data]
Hoyer and Peperle, 1958
Hoyer, H.; Peperle, W.,
Z. Elektrochem., 1958, 62, 61. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Hoyer and Peperle, 1958, 2
Hoyer, H.; Peperle, W.,
Dampfdrunkmessungen an organischen substanzen und ihre sublimationswarmen,
Z. Electrochem., 1958, 62, 61-66. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Poeti, Fanelli, et al., 1982
Poeti, G.; Fanelli, E.; Braghetti, M.,
A differential scanning calorimetric study of some phenol derivatives,
J. Therm. Anal., 1982, 24(2), 273-279. [all data]
Musuc, Razus, et al., 2002
Musuc, A.M.; Razus, D.; Oancea, D.,
Analele Universitatii Bucuresti Chimie, 2002, 11, 2, 147. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Dougherty, Younathan, et al., 1978
Dougherty, D.; Younathan, E.S.; Voll, R.; Abdulnur, S.; McGlynn, S.P.,
Photoelectron spectroscopy of some biological molecules,
J. Electron Spectrosc. Relat. Phenom., 1978, 13, 379. [all data]
Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M.,
The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids,
J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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