Phthalimide

• Formula: C₈H₅NO₂
• Molecular weight: 147.1308
• IUPAC Standard InChI: InChI=1S/C8H5NO2/c10-7-5-3-1-2-4-6(5)8(11)9-7/h1-4H,(H,9,10,11) Copy

  
• IUPAC Standard InChIKey: XKJCHHZQLQNZHY-UHFFFAOYSA-N Copy
• CAS Registry Number: 85-41-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: 1H-Isoindole-1,3(2H)-dione; Benzoimide; Isoindole-1,3-dione; 1,2-Benzenedicarboximide; 1,3-Isoindolinedione; 2-Diazoindan-1,3-dione; o-Phthalic imide; 1,3-Isoindoledione; Ftalimmide; Phthalimid; Phenylimide; Phthalic dicarboximide; 1,3-Dihydro-2H-isoindole-1,3-dione; NSC 3108; Isoindol-1,3-dione: Folpet metabolite
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • IR Spectrum
  • 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

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.

Cowley and Partington, 1936
Cowley, E.G.; Partington, J.R., Studies in dielectric polarisation. Part XV. The dipole moments of fivemembered nitrogen ring compounds: indole,skatole,carbazole,isatin, phthalimide, and succinimide., J. Chem. Soc., 1936, 1936, 47. [all data]

Ribeiro da Silva, Santos, et al., 2006
Ribeiro da Silva, M.A.V.; Santos, C.P.F.; Monte, M.J.S.; Sousa, C.A.D., Thermochemical studies of phthalimide and two N-alkylsubstituted phthalimides (ALKYL=ETHYL AND n-PROPYL), J Therm Anal Calorim, 2006, 83, 3, 533-539, https://doi.org/10.1007/s10973-005-7448-3 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Klochkov, 1956
Klochkov, V.P., Zh. Fiz. Khim., 1956, 30, 2823. [all data]

Cantor, 1978
Cantor, Stanley, Applications of differential scanning calorimetry to the study of thermal energy storage, Thermochimica Acta, 1978, 26, 1-3, 39-47, https://doi.org/10.1016/0040-6031(78)80055-0 . [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  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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