N,N'-Trimethyleneurea

• Formula: C₄H₈N₂O
• Molecular weight: 100.1191
• IUPAC Standard InChI: InChI=1S/C4H8N2O/c7-4-5-2-1-3-6-4/h1-3H2,(H2,5,6,7) Copy

  
• IUPAC Standard InChIKey: NQPJDJVGBDHCAD-UHFFFAOYSA-N Copy
• CAS Registry Number: 1852-17-1
• 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: Tetrahydro-2-pyrimidone; 2(1H)-Pyrimidinone, tetrahydro-; Hexahydro-2(1H)-pyrimidinone; Hexahydropyrimidin-2-one; Propyleneurea; Pyrimidine, hexahydro-2-oxo-; Urea, N,N'-(1,3-propanediyl)-; Urea, 1,3-trimethylene-; 2(1H)-Tetrahydropyrimidinone; 2-Ketohexahydropyrimidine; 2-Pyrimidinol, 3,4,5,6-tetrahydro-; NSC 21315; perhydropyrimidin-2-one
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• Information on this page:
  • Phase change data
  • References
  • Notes
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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

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.

Ribeiro da Silva, Ribeiro da Silva, et al., 2008
Ribeiro da Silva, Maria das Dores M.C.; Ribeiro da Silva, Manuel A.V.; Freitas, Vera L.S.; Roux, Maria Victoria; Jiménez, Pilar; Temprado, Manuel; Dávalos, Juan Z.; Cabildo, Pilar; Claramunt, Rosa M.; Elguero, José, Structural studies of cyclic ureas: 1. Enthalpies of formation of imidazolidin-2-one and N,N´-trimethyleneurea, The Journal of Chemical Thermodynamics, 2008, 40, 3, 386-393, https://doi.org/10.1016/j.jct.2007.08.004 . [all data]

de Farias, de Oliveira, et al., 1999
de Farias, Robson F.; de Oliveira, Ótom A.; de Medeiros, José V.; Claudio Airoldi, José V., Adducts of cyclic ureas with zinc halides -- a thermochemical study, Thermochimica Acta, 1999, 328, 1-2, 241-246, https://doi.org/10.1016/S0040-6031(98)00648-0 . [all data]

Notes

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• Symbols used in this document:
  

  ΔsubH°

  Enthalpy of sublimation at standard conditions

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