Hydrazine, phenyl-
- Formula: C6H8N2
- Molecular weight: 108.1411
- IUPAC Standard InChIKey: HKOOXMFOFWEVGF-UHFFFAOYSA-N
- CAS Registry Number: 100-63-0
- 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: Hydrazinobenzene; Monophenylhydrazine; Phenylhydrazine; Fenilidrazina; Fenylhydrazine; Phenylhydrazin; UN 2572; 1-Phenylhydrazine
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 202.9 ± 1.2 | kJ/mol | Ccb | Lebedeva and Katin, 1972 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 202.5 ± 1.3 kJ/mol; ALS |
ΔfH°gas | 204.1 | kJ/mol | N/A | Cole and Gilbert, 1951 | Value computed using ΔfHliquid° value of 142.2 kj/mol from Cole and Gilbert, 1951 and ΔvapH° value of 61.9 kj/mol from Lebedeva and Katin, 1972.; DRB |
ΔfH°gas | 205. ± 13. | kJ/mol | Ccb | Anderson and Gilbert, 1942 | %hf calculated possible error by author; ALS |
ΔfH°gas | 240.9 | kJ/mol | N/A | Lemoult, 1908 | Value computed using ΔfHliquid° value of 179.0 kj/mol from Lemoult, 1908 and ΔvapH° value of 61.9 kj/mol from Lebedeva and Katin, 1972.; DRB |
Phase change data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 512.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 516.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 516.65 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 292.8 | K | N/A | Dreisbach, 1955 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tfus | 283.15 | K | N/A | Bastic and Pushin, 1947 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 295. | K | N/A | Louguinine and Dupont, 1911 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 61.9 ± 0.8 | kJ/mol | C | Lebedeva and Katin, 1972 | ALS |
ΔvapH° | 61.9 | kJ/mol | N/A | Lebedeva and Katin, 1972 | DRB |
ΔvapH° | 61.46 | kJ/mol | V | Williams and Gilbert, 1942 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
57.3 | 428. | A | Stephenson and Malanowski, 1987 | Based on data from 413. to 518. K. See also Dykyj, 1972.; AC |
59.2 | 360. | N/A | Stull, 1947 | Based on data from 345. to 517. K.; AC |
57.2 | 393. | T | Williams and Gilbert, 1942, 2 | Based on data from 378. to 465. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
345.0 to 516.7 | 5.18551 | 2480.263 | -37.496 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.43 | 292.8 | Domalski and Hearing, 1996 | AC |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, References, Notes
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
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Chemical Concepts |
NIST MS number | 161139 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes
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
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 1157. | Zenkevich, 2001 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lebedeva and Katin, 1972
Lebedeva, N.D.; Katin, Yu.A.,
Heats of combustion of certain monosubstituted benzenes,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 1088. [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]
Cole and Gilbert, 1951
Cole, L.G.; Gilbert, E.C.,
The heats of combustion of some nitrogen compounds and the apparent energy of the N-N bond,
J. Am. Chem. Soc., 1951, 73, 5423-5427. [all data]
Anderson and Gilbert, 1942
Anderson, C.M.; Gilbert, E.C.,
The apparent energy of the N-N bond as calculated from heats of combustion,
J. Am. Chem. Soc., 1942, 64, 2369-2372. [all data]
Lemoult, 1908
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1908, 13, 562-574. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]
Dreisbach, 1955
Dreisbach, R.R.,
Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [all data]
Bastic and Pushin, 1947
Bastic, B.L.; Pushin, N.A.,
Melting diagrams of mixtures of formic acid,
Glas. Hem. Drus. Beograd, 1947, 128, 109. [all data]
Louguinine and Dupont, 1911
Louguinine, W.; Dupont, G.,
The heat of fusion of substances which melt at ordinary temperatures.,
Bull. Soc. Chim. Fr., 1911, 9, 219-224. [all data]
Williams and Gilbert, 1942
Williams, G.E.; Gilbert, E.C.,
The vapor pressure of phenylhydrazine as a function of the temperature,
J. Am. Chem. Soc., 1942, 64, 2776-27. [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]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Williams and Gilbert, 1942, 2
Williams, Glenn E.; Gilbert, E.C.,
The Vapor Pressure of Phenylhydrazine as a Function of the Temperature 1,
J. Am. Chem. Soc., 1942, 64, 12, 2776-2777, https://doi.org/10.1021/ja01264a018
. [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]
Zenkevich, 2001
Zenkevich, I.G.,
Encyclopedia of Chromatography. Derivatization of Carbonyls for GC Analysis, MArcel Dekker, Inc., New York - Basel, 2001, 233. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.