Hydrazinecarbothioamide

• Formula: CH₅N₃S
• Molecular weight: 91.135
• IUPAC Standard InChI: InChI=1S/CH5N3S/c2-1(5)4-3/h3H2,(H3,2,4,5) Copy

  
• IUPAC Standard InChIKey: BRWIZMBXBAOCCF-UHFFFAOYSA-N Copy
• CAS Registry Number: 79-19-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Semicarbazide, thio-; Isothiosemicarbazide; N-Aminothiourea; Thiocarbamoylhydrazine; Thiosemicarbazide; TSC; TSZ; 1-Amino-2-Thiourea; 1-Aminothiourea; 2-Thiosemicarbazide; Semicarbazide, 3-thio-; USAF EK-1275; Rcra waste number P116; Thiocarbamylhydrazine; NSC 2213
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
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Gas 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of sublimation

Entropy of sublimation

Enthalpy of phase transition

Entropy of phase transition

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.

Gomez and Sabbah, 1982
Gomez, L.A.T.; Sabbah, R., Thermodynamique de substances soufrees. IV. Etude thermochimique de la thiouree, de la thiosemicarbazide et de la thiocarbohydrazide, Thermochim. Acta, 1982, 57, 67-81. [all data]

Nurakhmeta, Beremzhanov, et al., 1984
Nurakhmeta, N.N.; Beremzhanov, B.A.; Abramova, G.V.; Lebedev, B.V., Thermodynamic properties of acetamide, thio-semicarbazide, and thiourea hydronitrate at (0-330) K, Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 2, 460-462. [all data]

Sunner, 1957
Sunner, S., Reactions between hydrazine, thiocyanic acid and oxo-compounds. IV. Heats of combustion and derived data for some compounds related to thiosemicarbazide, Acta Chem. Scand., 1957, 11, 1766-1770. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Nurachmetov, Beremzhanov, et al., 1985
Nurachmetov, N.N.; Beremzhanov, B.A.; Abramova, G.V.; Lebedev, B.V., Thermodynamics of (thio)amides and their compounds with mineral acids at (0-330)K, Thermochim. Acta, 1985, 92, 329-332. [all data]

Nurakhmetov, Beremzhanov, et al., 1984
Nurakhmetov, N.N.; Beremzhanov, B.A.; Abramova, G.V.; Lebedev, B.V., Thermodynamic properties of acetamide, thiosemicarbazide, and thiourea hydronitrate at (0-330) K, Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 2, 460-2. [all data]

Torres Gomez and Sabbah, 1982
Torres Gomez, L.A.F.; Sabbah, R., Thermodynamic de substances soufrees. IV. Etude thermochimique de las thiouree, de la thiosemicarbazide et de la thiocarbohydrazide, Thermochim. Acta, 1982, 57, 67-81. [all data]

Popp, 1964
Popp, F.D., Some Derivatives of 3-Bromobenzaldehyde, J. Chem. Eng. Data, 1964, 9, 381. [all data]

Alfonso, Gomez, et al., 1982
Alfonso, Luis; Gomez, Torres; Sabbah, Raphaël, Thermodynamique de substances soufrees. IV. Etude thermochimique de la thiouree, de la thiosemicarbazide et de la thiocarbohydrazide, Thermochimica Acta, 1982, 57, 1, 67-81, https://doi.org/10.1016/0040-6031(82)87024-X . [all data]

Notes

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

• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  Tfus	Fusion (melting) point
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔsubS	Entropy of sublimation

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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