3,5-Dimethylpyrazole

• Formula: C₅H₈N₂
• Molecular weight: 96.1304
• IUPAC Standard InChI: InChI=1S/C5H8N2/c1-4-3-5(2)7-6-4/h3H,1-2H3,(H,6,7) Copy

  
• IUPAC Standard InChIKey: SDXAWLJRERMRKF-UHFFFAOYSA-N Copy
• CAS Registry Number: 67-51-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 1H-Pyrazole, 3,5-dimethyl-; Pyrazole, 3,5-dimethyl-; TH 564; U 6245; 3,5 DMP; 3,5-Dwumetylopirazolu; 3,5-Dimethyl-1H-pyrazole; 1(H)-3,5-Dimethylpyrazole; NSC 8729
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

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.

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]

Ribeiro da Silva, Ferreira, et al., 2001
Ribeiro da Silva, Maria D.M.C.; Ferreira, Susana C.C.; Rodrigues, Ivone A.P.; da Silva, Luís C.M.; Acree Jr, William E.; Pandey, Siddharth; Roy, Lindsay E., Experimental standard molar enthalpies of formation of crystalline 3,5-dimethylpyrazole, 3,5-dimethyl-4-nitrosopyrazole, 1,3,5-trimethyl-4-nitrosopyrazole, and 3,5-dimethyl-1-phenyl-4-nitrosopyrazole, The Journal of Chemical Thermodynamics, 2001, 33, 10, 1227-1235, https://doi.org/10.1006/jcht.2000.0768 . [all data]

Elguero, Yranzo, et al., 1991
Elguero, Jose; Yranzo, Gloria I.; Laynez, Jose; Jimenez, Pilar; Menendez, Margarita; Catalan, Javier; De Paz, Jose Luis G.; Anvia, Frederick; Taft, Robert W., Effect of the replacement of a methyl by a trifluoromethyl group on the acid-base properties of pyrazoles, J. Org. Chem., 1991, 56, 12, 3942-3947, https://doi.org/10.1021/jo00012a030 . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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