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

• Formula: C₆H₁₄O₃
• Molecular weight: 134.1736
• IUPAC Standard InChI: InChI=1S/C6H14O3/c1-2-6(3-7,4-8)5-9/h7-9H,2-5H2,1H3 Copy

  
• IUPAC Standard InChIKey: ZJCCRDAZUWHFQH-UHFFFAOYSA-N Copy
• CAS Registry Number: 77-99-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Ethriol; Ethyltrimethylolmethane; Etriol; Ettriol; Hexaglycerine; Propane, 1,1,1-tris(hydroxymethyl)-; Trimethylolpropane; TMP; TMP (Alcohol); 1,1,1-Trimethylolpropane; 1,1,1-Tris(Hydroxymethyl)propane; 2-Ethyl-2-(hydroxymethyl)propanediol; 2,2-Bis(hydroxymethyl)-1-butanol; 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol; Hexaglycerol; Methanol, (propanetriyl)tris-; Tri(hydroxymethyl)propane; 1,1,1-Tri(hydroxymethyl)propane; Tris(hydroxymethyl)propane; Butanol, 2,2-bis(hydroxymethyl)-; NSC 3576; propylidynetrimethanol
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • IR Spectrum
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

Phase change data

Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References, Notes

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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Reduced pressure boiling point

Enthalpy of vaporization

Enthalpy of fusion

Entropy of fusion

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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

Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A., Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]

Medard and Thomas, 1953
Medard, L.; Thomas, M., Determination des chaleurs de combustion de treize substances explosives ou apparentees a des explosifs, Mem. Poudres, 1953, 35, 155-173. [all data]

Zhang and Yang, 1989
Zhang, Z.Y.; Yang, M.L., Heat capacities and phase transitions of 1,1,1-trihydroxymethylpropane and pentaerythritol over the superambient temperature range, Themochim. Acta, 1989, 156, 157-161. [all data]

Zhang and Yang, 1989, 2
Zhang, Z.-Y.; Yang, M.-L., Heat capacities and phase transitions of 1,1,1-trihydroxymethylpropane and pentaerythritol over the superambient temperature range, Thermochim. Acta, 1989, 156, 157. [all data]

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

Chandra, Mandalia, et al., 2002
Chandra, D.; Mandalia, H.; Chien, W.-M.; Lindle, D.W.; Rudman, R., Solid-Solid Phase Transition in Trimethylolpropane (TRMP), Zeitschrift für Physikalische Chemie, 2002, 216, 12/2002, https://doi.org/10.1524/zpch.2002.216.12.1389 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  Tboil	Boiling point
  Ttriple	Triple point temperature
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔvapH	Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.