n-Amyl ether
- Formula: C10H22O
- Molecular weight: 158.2811
- IUPAC Standard InChIKey: AOPDRZXCEAKHHW-UHFFFAOYSA-N
- CAS Registry Number: 693-65-2
- 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: Pentane, 1,1'-oxybis-; Pentyl ether; n-Pentyl ether; Amyl ether; Di-n-amyl ether; Diamyl ether; Dipentyl ether; (n-C5H11)2O; Di-n-pentyl ether; Ether, di-n-pentyl-; Pentyloxypentane; NSC 6571; 1-(Pentyloxy)pentane
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Gas phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -93.1 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 |
Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -104.02 ± 0.71 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1588.0 ± 0.7 | kcal/mol | Ccb | Murrin and Goldhagen, 1957 | Corresponding ΔfHºliquid = -104.0 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 460.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 459. | K | N/A | American Tokyo Kasei, 1988 | BS |
Tboil | 459.9 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.07 K; TRC |
Tboil | 460.65 | K | N/A | Timmermans and Martin, 1928 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tboil | 411.2 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 203.72 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tfus | 203.85 | K | N/A | Timmermans and Martin, 1928 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 204.15 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.0 | 388. | A | Stephenson and Malanowski, 1987 | Based on data from 373. to 460. K.; AC |
10.9 | 451. | N/A | Lapidus and Nisel'son, 1968 | Based on data from 423. to 480. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
378.61 to 459.90 | 3.86573 | 1396.465 | -98.829 | Dreisbach and Shrader, 1949 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 203.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 197.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Gas basicity at 298K
Gas basicity (review) (kcal/mol) | Reference | Comment |
---|---|---|
195.6 ± 0.2 | Decouzon, Gal, et al., 1996 | T = 338K; MM |
195.7 | Decouzon, Gal, et al., 1996 | T = T(eff) = 430K; MM |
195.7 | Decouzon, Gal, et al., 1996 | T = T(eff) = 430K; MM |
195.7 | Decouzon, Gal, et al., 1996 | T = T(eff) = 430K; MM |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-1576 |
NIST MS number | 229285 |
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apolane | 130. | 1051. | Dutoit, 1991 | Column length: 3.7 m |
Packed | SE-30 | 120. | 1076. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 3. m |
Packed | Apiezon L | 120. | 1056. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 1059. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon M | 130. | 1058. | Golovnya and Garbuzov, 1974 | N2, Chromosorb W; Column length: 2.1 m |
Packed | SE-30 | 120. | 1070. | Bierl, Beroza, et al., 1972 | Column length: 3.0 m |
Packed | Apiezon L | 130. | 1052. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Packed | Apiezon L | 190. | 1057. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 120. | 1165. | García-Raso, Martínez-Castro, et al., 1987 | N2, Supelcoport; Column length: 25. m; Column diameter: 0.22 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1069.7 | Sun and Stremple, 2003 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 325. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1070. | Peng, 2000 | 15. m/0.53 mm/1. μm, He; Program: 40C(3min) => 8C/min => 200(1min) => 5C/min => 300C(25min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1172. | Peng, 2000 | 15. m/0.53 mm/1. μm, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min |
Capillary | HP-Wax | 1173. | Peng, 2000 | 15. m/0.53 mm/1. μm, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 1068. | Zenkevich, Eliseenkov, et al., 2011 | 25. m/0.20 mm/0.25 μm, Nitrogen, 6. K/min; Tstart: 40. C; Tend: 220. C |
Capillary | OV-101 | 1077. | Zenkevich, Eliseenkov, et al., 2011 | 25. m/0.20 mm/0.25 μm, Nitrogen, 6. K/min; Tstart: 40. C; Tend: 220. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Squalane | 1076. | Chen, 2008 | Program: not specified |
Capillary | SE-30 | 1065. | Vinogradov, 2004 | Program: not specified |
Capillary | Methyl Silicone | 1052. | N/A | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1165. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-Wax | 1161. | Peng, Yang, et al., 1991 | Program: not specified |
Capillary | DB-Wax | 1163. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Free Links, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Murrin and Goldhagen, 1957
Murrin, J.W.; Goldhagen, S.,
Determination of the C-O bond energy from the heats of combustion of four aliphatic ethers,
NAVORD Report No. 5491, U.S. Naval Powder Factory Res. & Dev. Dept., 1957, 1-14. [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]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]
Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A.,
Physical Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 2875-8. [all data]
Timmermans and Martin, 1928
Timmermans, J.; Martin, F.,
Study of the Physical Constants of Twenty Organic Compounds of the Physical Constants of Twenty Organic Compounds,
J. Chim. Phys. Phys.-Chim. Biol., 1928, 25, 411. [all data]
Timmermans, 1922
Timmermans, J.,
Investigation of the Freezing Point of Organic Substances VII,
Bull. Soc. Chim. Belg., 1922, 31, 389. [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]
Lapidus and Nisel'son, 1968
Lapidus, I.I.; Nisel'son, L.A.,
Russ. J. Phys. Chem., 1968, 42, 6, 733. [all data]
Dreisbach and Shrader, 1949
Dreisbach, R.R.; Shrader, S.A.,
Vapor Pressure--Temperature Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 12, 2879-2880, https://doi.org/10.1021/ie50480a054
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Decouzon, Gal, et al., 1996
Decouzon, M.; Gal, J.E.; Herreros, M.; Marai, P.C.; Murrell, J.; Todd, J.F.J.,
On the Use of the Kinetic Method for the Determination of Proton Affinities by Fourier-Transfrom Ion Cyclotron Resonance Mass Spectrometry,
Rapid. Comm. Mass Spectrom., 1996, 10, 242. [all data]
Dutoit, 1991
Dutoit, J.,
Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases,
J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X
. [all data]
García-Raso, Martínez-Castro, et al., 1987
García-Raso, A.; Martínez-Castro, I.; Páez, M.I.; Sanz, J.; García-Raso, J.; Saura-Calixto, F.,
Gas Chromatographic Behaviour of Carbohydrate Trimethylsilyl Ethers. I. Aldopentoses,
J. Chromatogr., 1987, 398, 9-20, https://doi.org/10.1016/S0021-9673(01)96491-X
. [all data]
Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S.,
Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]
Golovnya and Garbuzov, 1974
Golovnya, R.V.; Garbuzov, V.G.,
Effect of heteroatom in aliphatic sulfur- and oxygen-containing compounds on the values of the retention indices in gas chromatography,
Izv. Akad. Nauk SSSR Ser. Khim., 1974, 7, 1519-1521. [all data]
Bierl, Beroza, et al., 1972
Bierl, B.A.; Beroza, M.; Aldridge, M.H.,
Effect of functional-group position on retention indices of six classes of compounds on four stationary phases,
J. Chromatogr. Sci., 1972, 10, 12, 712-715, https://doi.org/10.1093/chromsci/10.12.712
. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Sun and Stremple, 2003
Sun, G.; Stremple, P.,
Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [all data]
Peng, 2000
Peng, C.T.,
Prediction of retention indices. V. Influence of electronic effects and column polarity on retention index,
J. Chromatogr. A, 2000, 903, 1-2, 117-143, https://doi.org/10.1016/S0021-9673(00)00901-8
. [all data]
Zenkevich, Eliseenkov, et al., 2011
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N.; Ukolov, A.I.,
Identification of the products of nonregioselective organic reactions by chromatography - mass spectrometry: chloro derivatives of dialkyl ethers,
Rus. J. Anal. Chem., 2011, 66, 14, 1445-1454, https://doi.org/10.1134/S1061934811140218
. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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