1H-Pyrrole, 2,4-dimethyl-
- Formula: C6H9N
- Molecular weight: 95.1424
- IUPAC Standard InChIKey: MFFMQGGZCLEMCI-UHFFFAOYSA-N
- CAS Registry Number: 625-82-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Pyrrole, 2,4-dimethyl-; 2,4-Dimethylpyrrole; 2,4-Dimethyl-1H-pyrrole
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 438.45 | K | N/A | Lanum and Morris, 1969 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 268.435 | K | N/A | Steele, Chirico, et al., 1986 | DH |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 268.44 | K | N/A | Chirico, Hossenlopp, et al., 1994 | Uncertainty assigned by TRC = 0.01 K; TRC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.3 | 268.5 | Chirico, Hossenlopp, et al., 1994, 2 | 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
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Additional Data
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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 | D. GAMES, M. HEWLINS, A. JACKSON, CHEM DEPT, UNIV COLL, CARDIFF, U.K. |
NIST MS number | 51944 |
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.
Lanum and Morris, 1969
Lanum, W.J.; Morris, J.C.,
Physical Properties of Some Sulfur and Nitrogen Compounds,
J. Chem. Eng. Data, 1969, 14, 93-8. [all data]
Steele, Chirico, et al., 1986
Steele, W.V.; Chirico, R.D.; Collier, W.B.; Hossenlopp, I.A.; Nguyen, A.; Strube, M.M.,
Thermochemical and thermophysical properties of organic nitrogen compounds found in fossil materials,
NIPER Report, 1986, 188, 112p. [all data]
Chirico, Hossenlopp, et al., 1994
Chirico, R.D.; Hossenlopp, I.A.; Gammon, B.E.; Knipmeyer, S.E.; Steele, W.V.,
Heat capacities between the temperatures 10 K and 445 K for 2,4-dimethylpyrrole and barriers to methyl-group rotation in the solid state for 2,4- and 2,5-dimethylpyrrolea,b,
J. Chem. Thermodyn., 1994, 26, 11, 1219, https://doi.org/10.1006/jcht.1994.1139
. [all data]
Chirico, Hossenlopp, et al., 1994, 2
Chirico, R.D.; Hossenlopp, I.A.; Gammon, B.E.; Knipmeyer, S.E.; Steele, W.V.,
Heat capacities between the temperatures 10 K and 445 K for 2,4-dimethylpyrrole and barriers to methyl-group rotation in the solid state for 2,4- and 2,5-dimethylpyrrolea,b,
The Journal of Chemical Thermodynamics, 1994, 26, 11, 1219-1230, https://doi.org/10.1006/jcht.1994.1139
. [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 Ttriple Triple point temperature ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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