Hydrazine, trimethyl-

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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid231.96J/mol*KN/AAston, Zolki, et al., 1955 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
185.94292.15Aston, Zolki, et al., 1955T = 12 to 294 K.

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 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
Ttriple201.24KN/AAston, Zolki, et al., 1955, 2Uncertainty assigned by TRC = 0.02 K; TRC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
33.259292.15N/AAston, Zolki, et al., 1955P = 19.83 kPa; DH
34.6272.N/AAston, Zolki, et al., 1955Based on data from 257. to 287. K.; AC
33.4 ± 0.1292.CAston, Zolki, et al., 1955AC

Entropy of vaporization

ΔvapS (J/mol*K) Temperature (K) Reference Comment
113.84292.15Aston, Zolki, et al., 1955P; DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
256.93 to 286.984.264121204.436-49.732Aston, Zolki, et al., 1955Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
9.485201.24Aston, Zolki, et al., 1955DH
9.49201.2Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
47.13201.24Aston, Zolki, et al., 1955DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-101572.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryFFAP684.Budryn, Nebesny, et al., 201130. m/0.32 mm/0.50 μm, Nitrogen, 35. C @ 5. min, 4. K/min, 250. C @ 45. min
CapillaryFFAP684.Nebesny, Budryn, et al., 200730. m/0.32 mm/0.5 μm, N2, 35. C @ 5. min, 4. K/min, 320. C @ 45. min

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Aston, Zolki, et al., 1955
Aston, J.G.; Zolki, T.P.; Wood, J.L., The thermodynamic properties and configuration of trimethylhydrazine identification and correction for a major impurity, J. Am. Chem. Soc., 1955, 77, 281-284. [all data]

Aston, Zolki, et al., 1955, 2
Aston, J.G.; Zolki, T.P.; Wood, J.L., The thermodynamic properties and configuration of trimethylhydrazine identification and correction for a major impurity, J. Am. Chem. Soc., 1955, 77, 281. [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, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W., HS-SPME/GC/MS Profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews, Czech. J. Food Sci., 2011, 29, 2, 151-160. [all data]

Nebesny, Budryn, et al., 2007
Nebesny, E.; Budryn, G.; Kula, J.; Majda, T., The effect of roasting method on headspace composition of robusta coffee bean aroma, Eur. Food Res. Technol., 2007, 225, 1, 9-19, https://doi.org/10.1007/s00217-006-0375-0 . [all data]


Notes

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