1H-Pyrazole, 3-methyl-

• Formula: C₄H₆N₂
• Molecular weight: 82.1038
• IUPAC Standard InChI: InChI=1S/C4H6N2/c1-4-2-3-5-6-4/h2-3H,1H3,(H,5,6) Copy

  
• IUPAC Standard InChIKey: XKVUYEYANWFIJX-UHFFFAOYSA-N Copy
• CAS Registry Number: 1453-58-3
• 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: Pyrazole, 3-methyl-; Pyrazole, 5-methyl-; 3(5)-Methylpyrazole; 5-Methylpyrazole; Pyrazole, 3(or 5)-methyl-; 3-Methyl-1H-pyrazole; 3-Methylpyrazole
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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

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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Ribeiro da Silva, Figueiredo, et al., 2008
Ribeiro da Silva, Manuel A.V.; Figueiredo, Diogo F.; Cabral, Joana I.T.A., Thermochemical studies of 3-methylpyrazole and 1,3,5-trimethylpyrazole, The Journal of Chemical Thermodynamics, 2008, 40, 3, 369-374, https://doi.org/10.1016/j.jct.2007.09.001 . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  ΔvapH°	Enthalpy of vaporization at standard conditions

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