Pyridine, 2-methyl-
- Formula: C6H7N
- Molecular weight: 93.1265
- IUPAC Standard InChIKey: BSKHPKMHTQYZBB-UHFFFAOYSA-N
- CAS Registry Number: 109-06-8
- 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: 2-Picoline; α-Methylpyridine; α-Picoline; o-Picoline; 2-Methylpyridine; Picoline, α; Rcra waste number U191; o-Methylpyridine; NSC 3409
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Normal alkane RI, polar column, custom temperature program
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax | TC-Wax | DB-Wax | TC-Wax |
Column length (m) | 30. | 30. | 60. | ||
Carrier gas | Hydrogen | Hydrogen | Helium | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | ||
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
Program | 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0C | not specified | not specified | 60 0C (3 min) 2 0C/min -> 150 0C 4 0C/min -> 200 0C | not specified |
I | 1229. | 1239. | 1240. | 1216. | 1240. |
Reference | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | Kraft and Switt, 2005 | Kim. J.H., Ahn, et al., 2004 | Tachihara, Ishizaki, et al., 2004 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | Carbowax | Carbowax | Carbowax | Carbowax |
Column length (m) | |||||
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | |||||
Phase thickness (μm) | |||||
Program | not specified | not specified | not specified | not specified | not specified |
I | 1210. | 1209. | 1209. | 1209. | 1210. |
Reference | Peng, Yang, et al., 1991 | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Carbowax | Carbowax | Carbowax | Superox 0.6; Carbowax 20M | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. |
Column length (m) | 50. | 50. | |||
Carrier gas | Hydrogen | Hydrogen | |||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | |||
Phase thickness (μm) | |||||
Program | not specified | not specified | not specified | not specified | not specified |
I | 1210. | 1211. | 1212. | 1180. | 1180. |
Reference | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 | Baltes and Bochmann, 1987 | Waggott and Davies, 1984 | Waggott and Davies, 1984 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S.,
Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee.,
J. Food Composition Analysis, 2007, 20, 3-4, 297-307, https://doi.org/10.1016/j.jfca.2006.12.004
. [all data]
Kraft and Switt, 2005
Kraft, P.; Switt, K.A.D. (Eds),
Perspectives in Flavor and Fragrance Research, Wiley-VCH, Weinheim, Germany, 2005, 251. [all data]
Kim. J.H., Ahn, et al., 2004
Kim. J.H.; Ahn, H.J.; Yook, H.S.; Kim, K.S.; Rhee, M.S.; Ryu, G.H.; Byun, M.W.,
Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce,
Radiation Phys. Chem., 2004, 69, 2, 179-187, https://doi.org/10.1016/S0969-806X(03)00400-6
. [all data]
Tachihara, Ishizaki, et al., 2004
Tachihara, T.; Ishizaki, S.; Ishikawa, M.; Kitahara, T.,
Studies on the volatile compounds of roasted spotted shrimp,
Chemistry Biodiversity, 2004, 1, 12, 2024-2033, https://doi.org/10.1002/cbdv.200490155
. [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]
Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G.,
Model reactions on roast aroma formations, V. Mass spectrometric identification of pyrifines, oxazoles, and carbocyclic compounds from the reaction of serine and threonine with sucrose under the conditions of coffee roasting,
Z. Lebensm. Unters. Forsch., 1987, 185, 1, 5-9, https://doi.org/10.1007/BF01083331
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Normal alkane RI, polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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