1,3-Propanediol, 2-(hydroxymethyl)-2-methyl-

• Formula: C₅H₁₂O₃
• Molecular weight: 120.1470
• IUPAC Standard InChI: InChI=1S/C5H12O3/c1-5(2-6,3-7)4-8/h6-8H,2-4H2,1H3 Copy

  
• IUPAC Standard InChIKey: QXJQHYBHAIHNGG-UHFFFAOYSA-N Copy
• CAS Registry Number: 77-85-0
• 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: Ethane, 1,1,1-tris(hydroxymethyl)-; Methriol; Methyltrimethanolmethane; Metriol; Trimet; Trimethylolethane; Tris(hydroxymethyl)ethane; TME; 1,1,1-Trimethanolethane; 1,1,1-Trimethylolethane; 1,1,1-Tris(hydroxymethyl)ethane; 1,1,1-Tris(methylol)ethane; 2-(Hydroxymethyl)-2-methyl-1,3-propanediol; NSC 65581; Pentaglycerine; ethylidynetrimethanol
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of fusion

Entropy of fusion

Enthalpy of phase transition

Entropy of phase transition

References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Suenaga, Matsuo, et al., 1990
Suenaga, K.; Matsuo, T.; Suga, H., Heat Capacity and Phase transition of Trimethylolethane, Thermochim. Acta, 1990, 163, 263. [all data]

Murrill and Breed, 1970
Murrill, E.; Breed, L.W., Solid-solid phase transitions determined by differential scanning calorime- try. Part I. Tetrahedral Substances., Thermochim. Acta, 1970, 1, 239. [all data]

Derfer, Greenlee, et al., 1949
Derfer, J.M.; Greenlee, K.W.; Boord, C.E., A New Synthesis of Monoalkylcyclobutanes: Reduction of Neopentyl Type Tribromides, J. Am. Chem. Soc., 1949, 71, 175. [all data]

Salud, López, et al., 1999
Salud, Josep; López, David O.; Barrio, Maria; Tamarit, Josep Ll., Two-component systems of isomorphous orientationally disordered crystals. Part 1 Packing of the mixed crystals, J. Mater. Chem., 1999, 9, 4, 909-916, https://doi.org/10.1039/a808258h . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Granzow, 1996
Granzow, Bettina, Hydrogen bonding and phase transitions of a group of alcohols derived from 2,2-dimethylpropane, Journal of Molecular Structure, 1996, 381, 1-3, 127-131, https://doi.org/10.1016/0022-2860(96)09232-0 . [all data]

Suenaga, Matsuo, et al., 1990, 2
Suenaga, K.; Matsuo, T.; Suga, H., Heat capacity and phase transition of trimethylolethane, Thermochim. Acta, 1990, 163, 263-270. [all data]

Murrill and Breed, 1970, 2
Murrill, E.; Breed, L., Solid-solid phase transitions determined by differential scanning calorimetry, Thermochim. Acta, 1970, 1, 239-246. [all data]

Notes

Go To: Top, Phase change data, References

• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion

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