Benzene, 1-bromo-4-methyl-
- Formula: C7H7Br
- Molecular weight: 171.034
- IUPAC Standard InChIKey: ZBTMRBYMKUEVEU-UHFFFAOYSA-N
- CAS Registry Number: 106-38-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Toluene, p-bromo-; p-Bromotoluene; p-Methylbromobenzene; p-Methylphenyl bromide; p-Tolyl bromide; 1-Bromo-4-methylbenzene; 4-Bromo-1-methylbenzene; 4-Bromotoluene; 4-Methyl-1-bromobenzene; 4-Methylbromobenzene; 4-Methylphenyl bromide; 1-Methyl-4-bromobenzene; Parabromotoluene; 4-Tolyl bromide; NSC 6531
- 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.
Phase change data
Go To: Top, 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 457.5 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 457.7 | K | N/A | Lecat, 1927 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 456.95 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 456.15 | K | N/A | Kahlbaum, 1884 | Uncertainty assigned by TRC = 2. K; isomer not specifically identified; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 300. ± 2. | K | AVG | N/A | Average of 8 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.3 | 335. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 320. to 458. K.; AC |
13.2 | 288. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 273. to 472. K.; AC |
10.9 | 373. | A | Stephenson and Malanowski, 1987 | Based on data from 358. to 523. K. See also Dykyj and Vanko, 1970 and Kkykj and Repas, 1973.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
283.4 to 457.7 | 6.39904 | 3516.111 | 92.523 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.616 | 301.2 | van Miltenburg, Alvarez-Larena, et al., 1996 | AC |
Mass spectrum (electron ionization)
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 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 | Chuck Anderson, Aldrich Chemical Co. |
NIST MS number | 107649 |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Lecat, 1927
Lecat, M.,
New binary azeotropes: 7th list,
Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 108-14. [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]
Kahlbaum, 1884
Kahlbaum, G.W.A.,
The dependence of Boiling Temperature on Air Pressure,
Ber. Dtsch. Chem. Ges., 1884, 17, 1245. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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 and Vanko, 1970
Dykyj, J.; Vanko, A.,
Petrochemica, 1970, 10, 1, 3. [all data]
Kkykj and Repas, 1973
Kkykj, J.; Repas, M.,
Petrochemia, 1973, 13, 179. [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]
van Miltenburg, Alvarez-Larena, et al., 1996
van Miltenburg, J.C.; Alvarez-Larena, A.; Labrador, M.; Palacios, L.; Rodriguez-Romero, J.; Tauler, E.; Estop, E.,
The thermal properties of three (Cl-, Br-, I-) para-halotoluenes. Formation of glassy crystals,
Thermochimica Acta, 1996, 273, 31-42, https://doi.org/10.1016/0040-6031(95)02596-0
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization - 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.