Methyl valerate
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChIKey: HNBDRPTVWVGKBR-UHFFFAOYSA-N
- CAS Registry Number: 624-24-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Pentanoic acid, methyl ester; Valeric acid, methyl ester; Methyl n-valerate; Methyl pentanoate; Methyl valerianate; CH3(CH2)3COOCH3; n-Valeric acid methyl ester; Methyl ester of pentanoic acid
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
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.
Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Henry's Law 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -112.7 ± 0.4 | kcal/mol | Ccb | Adriaanse, Dekker, et al., 1965 | Heat of formation derived by Cox and Pilcher, 1970 |
ΔfH°gas | -116.0 ± 0.4 | kcal/mol | Ccb | Hancock, Watson, et al., 1954 | Heat of formation derived by Cox and Pilcher, 1970 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 410. ± 40. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 182.5 | K | N/A | Adriaanse, Dekker, et al., 1964 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 556.7 | K | N/A | De Heen, 1888 | Uncertainty assigned by TRC = 20. K; TRC |
Tc | 566.9 | K | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 20. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 31.48 | atm | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 2.0000 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.40 | mol/l | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 0.17 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.4 ± 0.5 | kcal/mol | AVG | N/A | Average of 12 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.5 ± 0.02 | 350. to 415. | EB | Camacho, Moll, et al., 2007 | AC |
10.6 | 296. | N/A | Camacho, Mariano, et al., 2006 | Based on data from 281. to 547. K. See also Camacho, 2006.; AC |
9.37 | 379. | N/A | Ortega, Espiau, et al., 2003 | Based on data from 364. to 417. K.; AC |
9.87 | 350. | N/A | van Genderen, van Miltenburg, et al., 2002 | AC |
10.2 | 312. | A | Stephenson and Malanowski, 1987 | Based on data from 297. to 411. K.; AC |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C8H18O3 + H2O = C6H12O2 + 2CH4O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -6.101 ± 0.012 | kcal/mol | Cm | Wiberg, Martin, et al., 1985 | liquid phase; solvent: Aqueous dioxane |
ΔrH° | -6.147 ± 0.008 | kcal/mol | Cm | Wiberg, 1980 | liquid phase; solvent: Water; Hydrolysis |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
---|---|---|---|
3.1 | M | Buttery, Ling, et al., 1969 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J.,
Heats of combustion of normal saturated fatty acids and their methyl esters,
Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Hancock, Watson, et al., 1954
Hancock, C.K.; Watson, G.M.; Gilby, R.F.,
Heats of combustion of five-carbon fatty acids and their methyl and ethyl esters,
J. Phys. Chem., 1954, 58, 127-129. [all data]
Adriaanse, Dekker, et al., 1964
Adriaanse, N.; Dekker, H.; Coops, J.,
Some Physical Constants of Normal, Saturated Fatty Acids and Their Methyl Esters,
Recl. Trav. Chim. Pays-Bas, 1964, 83, 557. [all data]
De Heen, 1888
De Heen, P.,
Research on Physics and Theory of Liquids, Experimental Part Paris, 1888. [all data]
Nadezhdin, 1887
Nadezhdin, A.,
Rep. Phys., 1887, 23, 708. [all data]
Camacho, Moll, et al., 2007
Camacho, Alberto G.; Moll, Juan M.; Canzonieri, Salvador; Postigo, Miguel A.,
Vapor-Liquid Equilibrium Data for the Binary Methyl Esters (Butyrate, Pentanoate, and Hexanoate) (1) + Propanenitrile (2) Systems at 93.32 kPa,
J. Chem. Eng. Data, 2007, 52, 3, 871-875, https://doi.org/10.1021/je060469v
. [all data]
Camacho, Mariano, et al., 2006
Camacho, Alberto G.; Mariano, Alejandra; Mussari, Lelia; Postigo, Miguel A.,
Vapor-Liquid Equilibrium Data for the Binary Methyl Esters (Butyrate, Pentanoate, and Hexanoate) (1) + Acetonitrile (2) Systems at 93.32 kPa,
J. Chem. Eng. Data, 2006, 51, 5, 1536-1540, https://doi.org/10.1021/je060001s
. [all data]
Camacho, 2006
Camacho, A.G.,
, Ph.D. Thesis, Universidad Nacional de Tucuman, 2006. [all data]
Ortega, Espiau, et al., 2003
Ortega, Juan; Espiau, Fernando; Tojo, José; Canosa, José; Rodríguez, Ana,
Isobaric Vapor-Liquid Equilibria and Excess Properties for the Binary Systems of Methyl Esters + Heptane,
J. Chem. Eng. Data, 2003, 48, 5, 1183-1190, https://doi.org/10.1021/je030117d
. [all data]
van Genderen, van Miltenburg, et al., 2002
van Genderen, Aad C.G.; van Miltenburg, J. Cees; Blok, Jacobus G.; van Bommel, Mark J.; van Ekeren, Paul J.; van den Berg, Gerrit J.K.; Oonk, Harry A.J.,
Liquid--vapour equilibria of the methyl esters of alkanoic acids: vapour pressures as a function of temperature and standard thermodynamic function changes,
Fluid Phase Equilibria, 2002, 202, 1, 109-120, https://doi.org/10.1016/S0378-3812(02)00097-3
. [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]
Wiberg, Martin, et al., 1985
Wiberg, K.B.; Martin, E.J.; Squires, R.R.,
Thermochemical studies of carbonyl compounds. 3. Enthalpies of hydrolysis of ortho esters,
J. Org. Chem., 1985, 50, 4717-4720. [all data]
Wiberg, 1980
Wiberg, K.B.,
Energies of organic compounds,
Rept. DOE-E(11-1)4060 Prepared for US Dept. of Energy by Yale Univ., New Haven, CT. Avail. NTIS, 1980, 1-24. [all data]
Buttery, Ling, et al., 1969
Buttery, R.G.; Ling, L.C.; Guadagni, D.G.,
Volatilities Aldehydes, Ketones, and Esters in Dilute Water Solution,
J. Agric. Food Chem., 1969, 17, 385-389. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - 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.