1,3-Propanediol
- Formula: C3H8O2
- Molecular weight: 76.0944
- IUPAC Standard InChIKey: YPFDHNVEDLHUCE-UHFFFAOYSA-N
- CAS Registry Number: 504-63-2
- 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: β-Propylene glycol; Propane-1,3-diol; PG; Trimethylene glycol; 1,3-Dihydroxypropane; 1,3-Propylene glycol; 2-Deoxyglycerol; Propanediol-(1,3); ω-Propanediol; 1,3-Propylenediol; 2-(Hydroxymethyl)ethanol; NSC 65426; Polypropylene glycol 425
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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:
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
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 487. ± 3. | K | AVG | N/A | Average of 11 out of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 332. | K | N/A | Lipkin and Layloff, 1970 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 246.5 | K | N/A | Anonymous, 1953 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tfus | 241.15 | K | N/A | Gallaugher and Hibbert, 1936 | Uncertainty assigned by TRC = 0.7 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 245.5 | K | N/A | Knauth and Sabbah, 1990 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 70. ± 5. | kJ/mol | AVG | N/A | Average of 11 values; Individual data points |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
383.2 | 0.016 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
57.2 | 347. | A | Stephenson and Malanowski, 1987 | Based on data from 332. to 448. K. See also Stull, 1947.; AC |
73. ± 2. | 383. | V | Gardner and Hussain, 1972 | ALS |
57.86 | 273. | V | Gallaugher and Hibbert, 1937 | ALS |
63.3 | 408. | N/A | Schierholtz and Staples, 1935 | Based on data from 383. to 433. K.; AC |
60.4 | 460. | N/A | Schierholtz and Staples, 1935 | Based on data from 433. to 488. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
332.6 to 487.4 | 6.29523 | 3105.018 | 6.101 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.4 | 249. | DSC | Jabrane, Létoffé, et al., 1998 | AC |
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.
Lipkin and Layloff, 1970
Lipkin, D.; Layloff, T.,
Cyclic Sulfite and Sulfate Esters of Polymethylene Glycols,
J. Chem. Eng. Data, 1970, 15, 450. [all data]
Anonymous, 1953
Anonymous, R.,
, Physical Properties of Chemical Substances, Dow Chemical Company, 1953. [all data]
Gallaugher and Hibbert, 1936
Gallaugher, A.F.; Hibbert, H.,
Studies on reactions relating to carbohydrates and polysaccharides: xlix molecular weight, molar refraction, freezing point and other properties of the polyethylene glycols and their derivatives,
J. Am. Chem. Soc., 1936, 58, 813. [all data]
Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R.,
Can. J. Chem., 1990, 68, 731. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Gardner and Hussain, 1972
Gardner, P.J.; Hussain, K.S.,
The standard enthalpies of formation of some aliphatic diols,
J. Chem. Thermodyn., 1972, 4, 819-827. [all data]
Gallaugher and Hibbert, 1937
Gallaugher, A.F.; Hibbert, H.,
Studies on reactions relating to carbohydrates and polysaccharides. LV. Vapor pressures of the polyethylene glycols and their derivatives,
J. Am. Chem. Soc., 1937, 59, 2521-2525. [all data]
Schierholtz and Staples, 1935
Schierholtz, O.J.; Staples, M.L.,
Vapor Pressures of Certain Glycols,
J. Am. Chem. Soc., 1935, 57, 12, 2709-2711, https://doi.org/10.1021/ja01315a106
. [all data]
Jabrane, Létoffé, et al., 1998
Jabrane, S.; Létoffé, J.M.; Claudy, P.,
Study of the thermal behaviour of 1,3-propanediol and its aqueous solutions,
Thermochimica Acta, 1998, 311, 1-2, 121-127, https://doi.org/10.1016/S0040-6031(97)00416-4
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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