Octadecanoic acid, 2,3-dihydroxypropyl ester

• Formula: C₂₁H₄₂O₄
• Molecular weight: 358.5558
• IUPAC Standard InChI: InChI=1S/C21H42O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-21(24)25-19-20(23)18-22/h20,22-23H,2-19H2,1H3 Copy

  
• IUPAC Standard InChIKey: VBICKXHEKHSIBG-UHFFFAOYSA-N Copy
• CAS Registry Number: 123-94-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • L-α-Monostearin
  • Octadecanoic acid, 2,3-dihydroxypropyl ester
  • stearic acid, monoester with glycerol
• Stereoisomers:
  • (R)-2,3-dihydroxypropyl stearate
• Other names: Stearin, 1-mono-; α-Monostearin; Aldo MSD; Aldo MSLG; Aldo 33; Aldo 75; Arlacel 165; Emerest 2407; Glycerin 1-monostearate; Glycerin 1-stearate; Glycerol α-monostearate; Glycerol 1-monostearate; Glycerol 1-stearate; Glyceryl 1-monostearate; Sandin EU; Stearic acid α-monoglyceride; Stearic acid 1-monoglyceride; Tegin 55G; 1-Glyceryl stearate; 1-Monostearin; 1-Monostearoylglycerol; 1,2,3-Propanetriol 1-octadecanoyl ester; Glycerol α-sterate; Monostearin (l); 3-Stearoyloxy-1,2-propanediol; NSC 3875; Glyceryl 1-octadecanoate; 2,3-Dihydroxypropyl stearate; Monostearin; Tegin (Related); Tegin 515 (Related); Glyceryl stearate (Related); Glyceryl monostearate (Related)
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Options:
  • Switch to calorie-based 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.

Phase change data

Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing

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.

Ward, Vicknair, et al., 1955
Ward, T.L.; Vicknair, E.J.; Singleton, W.S.; Feuge, R.O., Some thermal properties of 1-monostearin, 1-aceto-3-stearin and 1,2-diaceto-3-stearin, J. Phys. Chem., 1955, 59, 4. [all data]

Ward, Vicknair, et al., 1955, 2
Ward, T.L.; Vicknair, E.J.; Singleton, W.S.; Feuge, R.O., Some thermal properties of 1-monostearin, 1-aceto-3-stearin and 1,2-diaceto-3-stearin, J. Phys. Chem., 1955, 59, 4-7. [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

• 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.