Dicyandiamide

• Formula: C₂H₄N₄
• Molecular weight: 84.0800
• IUPAC Standard InChI: InChI=1S/C2H4N4/c3-1-6-2(4)5/h(H4,4,5,6) Copy

  
• IUPAC Standard InChIKey: QGBSISYHAICWAH-UHFFFAOYSA-N Copy
• CAS Registry Number: 461-58-5
• 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: Guanidine, cyano-; Cyanoguanidine; Dicyanodiamide; N-Cyanoguanidine; Pyroset DO; 1-Cyanoguanidine; 2-Cyanoguanidine; Guanidine-1-carbonitrile; NCN=C(NH2)2; Dicyanediamide; Dicyandiamin; ACR-H 3636; Araldite HT 986; Araldite XB 2879B; Araldite XB 2979B; Bakelite VE 2560; Epicure DICY 15; Epicure DICY 7; Guanidine, N-cyano-; NSC 2031; XB 2879B
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• Information on this page:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Phase change data
  • Gas phase ion energetics data
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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 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

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, Condensed phase thermochemistry 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.

Medard and Thomas, 1952
Medard, L.; Thomas, M., Determination des chaleurs de combustion de douze composes organiques utilises dans les poudres et enplosies, Mem. Poudres, 1952, 34, 421-442. [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]

Salley and Gray, 1951
Salley, D.J.; Gray, J.B., Heats of combustion of some organic nitrogen compounds, J. Am. Chem. Soc., 1951, 73, 5925. [all data]

Salley and Gray, 1948
Salley, D.J.; Gray, J.B., Heats of combustion of some organic nitrogen compounds, J. Am. Chem. Soc., 1948, 70, 2650-2653. [all data]

Handrick, 1956
Handrick, G.R., Report of the study of pure explosive compounds. Part IV. Calculation of heat of combustion of organic compounds from structural features and calculation of power of high explosives, Rpt. C-58247 for the Office of the Chief of Ordnance, contract DA-19-020-ORD-47 by the Arthur D. Little, Inc., Cambridge, MA, 1956, 467-573. [all data]

Stephenson and Berets, 1952
Stephenson, C.C.; Berets, D.J., The heat capacities and entropies of melamine and dicyandiamide, J. Am. Chem. Soc., 1952, 74, 882-883. [all data]

David, 1964
David, D.J., Determination of specific heat and heat of fusion by differential thermal analysis. Study of theory and operating parameters, Anal. Chem., 1964, 36, 2162-2166. [all data]

Notes

Go To: Top, Condensed phase thermochemistry 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)
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions

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