8-Pentyltheophylline

• Formula: C₁₂H₁₈N₄O₂
• Molecular weight: 250.2969
• IUPAC Standard InChI: InChI=1S/C12H19N4O2/c1-4-5-6-7-8-13-9-10(14-8)15-12(2,18)16(3)11(9)17/h4-7H2,1-3H3,(H,13,14)(H,15,18) Copy

  
• IUPAC Standard InChIKey: CTISWFWBZUSEFT-UHFFFAOYSA-N Copy
• CAS Registry Number: 35873-41-7
• Chemical structure:
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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

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.

Gondova, Kralik, et al., 1989
Gondova, T.; Kralik, P.; Gonda, J., Determination of some thermodynamic characteristics of melting of 8-alkyltheophyllines by the DSC method, Thermochim. Acta, 1989, 156, 1, 147, https://doi.org/10.1016/0040-6031(89)87180-1 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion

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