Pentanoic acid, 3-methyl-
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChI: InChI=1S/C6H12O2/c1-3-5(2)4-6(7)8/h5H,3-4H2,1-2H3,(H,7,8)
- IUPAC Standard InChIKey: IGIDLTISMCAULB-UHFFFAOYSA-N
- CAS Registry Number: 105-43-1
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: Valeric acid, 3-methyl-; β-Methylvaleric acid; 3-Methylpentanoic acid; 3-Methylvaleric acid; 3-Methyl-n-valeric acid
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- Other data available:
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 469. ± 2. | K | AVG | N/A | Average of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 231.6 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.8 K; TRC |
IR Spectrum
Go To: Top, Phase change data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Phase change data, IR Spectrum, 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 946. | Javidnia, Miri, et al., 2006 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 250. C |
| Capillary | HP-5 | 947. | Fokialakis, Magiatis, et al., 2002 | 30. m/0.25 mm/0.25 μm, 60. C @ 5. min, 3. K/min; Tend: 280. C |
| Capillary | HP-5 | 946. | Kovacevic, Pavlovic, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 280. C |
| Capillary | DB-5 | 941. | Nogueira, Bittrich, et al., 2001 | 30. m/0.25 mm/0.25 μm, H2, 3. K/min; Tstart: 60. C; Tend: 240. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 968.4 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-FFAP | 1762. | Munk, Munch, et al., 2000 | 30. m/0.32 mm/0.25 μm; Program: 40C(2min) => 40C/min => 60C (2min) => 6C/min => 180C => 10C/min => 240C (5min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-5 | 954. | Raal, Orav, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 50. C; Tend: 250. C |
| Capillary | HP-5 | 971.2 | Leffingwell and Alford, 2005 | 60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax-10 | 1810. | Raal, Orav, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 50. C; Tend: 250. C |
| Capillary | HP-Innowax | 1780. | Wijaya, Ulrich, et al., 2005 | 15. m/0.25 mm/1. μm, 45. C @ 5. min, 10. K/min, 210. C @ 5. min |
| Capillary | TC-Wax | 1783. | Suhardi, Suzuki, et al., 2002 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 10. min, 3. K/min, 230. C @ 10. min |
References
Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Javidnia, Miri, et al., 2006
Javidnia, K.; Miri, R.; Kamalinejad, M.; Khazraii, H.,
Chemical composition of the volatile oil of aerial parts of Valeriana sisymbriifolia Vahl. grown in Iran,
Flavour Fragr. J., 2006, 21, 3, 516-518, https://doi.org/10.1002/ffj.1660
. [all data]
Fokialakis, Magiatis, et al., 2002
Fokialakis, N.; Magiatis, P.; Mitaku, S.,
Essential oil constituents of Valeriana italica and Valeriana tuberosa. Stereochemical and conformational study of 15-acetoxyvaleranone,
Z. Naturforsch., 2002, 57c, 791-796. [all data]
Kovacevic, Pavlovic, et al., 2002
Kovacevic, N.; Pavlovic, M.; Menkovic, N.; Tzakou, O.; Couladis, M.,
Composition of the essential oil from roots and rhizomes of Valeriana pancicii Halácsy Bald,
Flavour Fragr. J., 2002, 17, 5, 355-357, https://doi.org/10.1002/ffj.1100
. [all data]
Nogueira, Bittrich, et al., 2001
Nogueira, P.C.L.; Bittrich, V.; Shepherd, G.J.; Lopes, A.V.; Marsaioli, A.J.,
The ecological and taxonomic importance of flower volatiles of Clusia species (Guttiferae),
Phytochemistry, 2001, 56, 5, 443-452, https://doi.org/10.1016/S0031-9422(00)00213-2
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Munk, Munch, et al., 2000
Munk, S.; Munch, P.; Stahnke, L.; Adler-Nissen., J.; Schieberle, P.,
Primary odorants of laundry soiled with sweat/sebum: influence of lipase on the odor profile,
Journal of Surfactants and Detergents, 2000, 3, 4, 505-515, https://doi.org/10.1007/s11743-000-0150-z
. [all data]
Raal, Orav, et al., 2007
Raal, A.; Orav, A.; Arak, E.; Kailas, T.; Müürisepp, M.,
Variation in the composition of the essential oil of Valeriana officinalis L. roots from Estonia,
Proc. Est. Acad. Sci. Chem., 2007, 56, 2, 67-74. [all data]
Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D.,
Volatile constituents of Perique tobacco,
Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]
Wijaya, Ulrich, et al., 2005
Wijaya, C.H.; Ulrich, D.; Lestari, R.; Schippel, K.; Ebert, G.,
Identification of potent odorants in different cultivars of snake fruit [Salacca zalacca (Gaert.) Voss] using gas chromatography-olfactometry,
J. Agric. Food Chem., 2005, 53, 5, 1637-1641, https://doi.org/10.1021/jf048950h
. [all data]
Suhardi, Suzuki, et al., 2002
Suhardi, S.; Suzuki, M.; Yoshida, K.; Muto, T.; Fujita, A.; Watanbe, N.,
Changes in the volatile compounds and in the chemical and physical properties of snake fruit (Salacca edulis Reinw) Cv. Pondoh during maturation,
J. Agric. Food Chem., 2002, 50, 26, 7627-7633, https://doi.org/10.1021/jf020620e
. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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