4-Pyridinamine, N,N-dimethyl-

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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
5.170387.1ACShi, Tan, et al., 2007Based on data from 80. to 402. K.

Gas phase ion energetics data

Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)238.4kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity232.1kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.3 ± 0.1EIStefanovic and Grutzmacher, 1974LLK
7.82PERamsey and Walker, 1974Vertical value; LLK

Mass spectrum (electron ionization)

Go To: Top, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass 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 A.E.WILLIAMS ICI DYESTUFFS DIVISION. BLACKLEY.
NIST MS number 2269

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References

Go To: Top, Phase change data, Gas phase ion energetics 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.

Shi, Tan, et al., 2007
Shi, Quan; Tan, Zhi-Cheng; Di, You-Ying; Tong, Bo; Li, Yan-Sheng; Wang, Shao-Xu, Thermal Analysis and Calorimetric Study of 4-Dimethylaminopyridine, J. Chem. Eng. Data, 2007, 52, 3, 941-947, https://doi.org/10.1021/je6005423 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Stefanovic and Grutzmacher, 1974
Stefanovic, D.; Grutzmacher, H.F., The ionisation potential of some substituted pyridines, Org. Mass Spectrom., 1974, 9, 1052. [all data]

Ramsey and Walker, 1974
Ramsey, B.G.; Walker, F.A., A linear relationship between substituted pyridine lone pair vertical ionization potentials and pKa, J. Am. Chem. Soc., 1974, 96, 3314. [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References