1,2-Ethanediamine, N,N,N',N'-tetramethyl-
- Formula: C6H16N2
- Molecular weight: 116.2046
- IUPAC Standard InChIKey: KWYHDKDOAIKMQN-UHFFFAOYSA-N
- CAS Registry Number: 110-18-9
- 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: Ethylenediamine, N,N,N',N'-tetramethyl-; Dimethyl[2-(dimethylamino)ethyl]amine; N,N,N',N'-Tetramethyl-1,2-diaminoethane; N,N,N',N'-Tetramethyl-1,2-ethanediamine; N,N,N',N'-Tetramethylethanediamine; N,N,N',N'-Tetramethylethylenediamine; Tetramethyldiaminoethane; 1,2-Bis(dimethylamino)ethane; (CH3)2NCH2CH2N(CH3)2; N,N,N1,N1-Tetramethylethylenediamine; Temed; 1,2-Di-(dimethylamino)ethane; Propamine D; Tetrameen; Tetramethyl ethylene diamine; TMEDA; UN 2372; 1,2-Diaminoethane, N,N,N',N'-tetramethyl-; N,N,N',N'-Tetramethylethenediamine; 1,2-Ethanediamine, N1,N1,N2,N2-tetramethyl-
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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:
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 | 394.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 214.5 | K | N/A | Anonymous, 1959 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 42.2 | kJ/mol | N/A | Razzouk, Hajjaji, et al., 2009 | Based on data from 295. to 365. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
39.8 | 330. | Razzouk, Hajjaji, et al., 2009 | Based on data from 295. to 365. K.; AC |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
View reactions leading to C6H16N2+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.59 ± 0.04 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 1012.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 970.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.57 ± 0.03 | PI | Loguinov, Takhistov, et al., 1981 | LLK |
7.61 ± 0.05 | PE | Akopyan and Loginov, 1974 | LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H8N+ | 8.18 | C3H8N | EI | Burkey, Castelhano, et al., 1983 | LBLHLM |
C3H8N+ | 8.30 ± 0.05 | (CH3)2NCH2 | PI | Loguinov, Takhistov, et al., 1981 | LLK |
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.
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]
Anonymous, 1959
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 6, Carnegie-Mellon Univ., 1959. [all data]
Razzouk, Hajjaji, et al., 2009
Razzouk, Antonio; Hajjaji, Ahmed; Mokbel, Ilham; Mougin, Pascal; Jose, Jacques,
Experimental vapor pressures of 1,2-bis(dimethylamino)ethane, 1-methylmorpholine, 1,2-bis(2-aminoethoxy)ethane and N-benzylethanolamine between 273.18 and 364.97K,
Fluid Phase Equilibria, 2009, 282, 1, 11-13, https://doi.org/10.1016/j.fluid.2009.04.006
. [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]
Loguinov, Takhistov, et al., 1981
Loguinov, Y.; Takhistov, V.V.; Vatlina, L.P.,
Photoionization studies of substituted trimethylamines,
Org. Mass Spectrom., 1981, 16, 239. [all data]
Akopyan and Loginov, 1974
Akopyan, M.E.; Loginov, Yu.V.,
Photoelectron spectra of trimethylamine derivatives,
Opt. Spectrosc., 1974, 37, 250, In original 442. [all data]
Burkey, Castelhano, et al., 1983
Burkey, T.J.; Castelhano, A.L.; Griller, D.; Lossing, F.P.,
Heats of formation and ionization potentials of some α-aminoalkyl radicals,
J. Am. Chem. Soc., 1983, 105, 4701. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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