Pyridine
- Formula: C5H5N
- Molecular weight: 79.0999
- IUPAC Standard InChIKey: JUJWROOIHBZHMG-UHFFFAOYSA-N
- CAS Registry Number: 110-86-1
- 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. - Isotopologues:
- Other names: Azabenzene; Azine; NCI-C55301; Piridina; Pirydyna; Pyridin; Rcra waste number U196; UN 1282; Pyr; CP 32; NSC 406123
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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-FFAP | DB-FFAP | DB-Wax | DB-Wax |
Column length (m) | 60. | 30. | 30. | 30. | 30. |
Carrier gas | Helium | Helium | Helium | Hydrogen | Hydrogen |
Substrate | |||||
Column diameter (mm) | 0.20 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Program | 40 0C (3 min) 2 0C/min -> 150 0C 4 0C/min -> 220 0C (20 min) 5 0C/min -> 230 0C | 50 0C 2 0C/min -> 100 0C (5 min) 5 0C/min -> 250 0C | not specified | 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0C | not specified |
I | 1181. | 1209. | 1193. | 1198. | 1180. |
Reference | Gyawali and Kim, 2012 | Mebazaa, Mahmoudi, et al., 2009 | Mebazaa, Mahmoudi, et al., 2009 | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | HP-Innowax | HP-Innowax | TC-Wax | DB-Wax | TC-Wax |
Column length (m) | 60. | 60. | 60. | ||
Carrier gas | Helium | Helium | Helium | ||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.25 | ||
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
Program | 40 0C (5 min) 4 0C/min -> 60 0C (5 min) 8 0C/min -> 250 0C (3 min) | not specified | not specified | 60 0C (3 min) 2 0C/min -> 150 0C 4 0C/min -> 200 0C | not specified |
I | 1182. | 1181. | 1200. | 1180. | 1200. |
Reference | Viegas and Bassoli, 2007 | Viegas and Bassoli, 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 | Carbowax 20M | DB-Wax | DB-Wax | Carbowax | Carbowax |
Column length (m) | 30. | ||||
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.25 | ||||
Phase thickness (μm) | |||||
Program | not specified | not specified | not specified | not specified | not specified |
I | 1180. | 1157. | 1191. | 1172. | 1172. |
Reference | Vinogradov, 2004 | Hatsuko, Kazuko, et al., 1992 | Peng, Yang, et al., 1991 | 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 | 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 | 1173. | 1173. | 1173. | 1173. | 1174. |
Reference | Baltes and Bochmann, 1987 | 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 |
---|---|---|---|
Active phase | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | Carbowax 20M | Polyethylene Glycol |
Column length (m) | 50. | ||
Carrier gas | Hydrogen | ||
Substrate | |||
Column diameter (mm) | 0.32 | ||
Phase thickness (μm) | |||
Program | not specified | not specified | not specified |
I | 1224. | 1181. | 1180. |
Reference | Waggott and Davies, 1984 | Ramsey and Flanagan, 1982 | MacLeod and Pieris, 1981 |
Comment | 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.
Gyawali and Kim, 2012
Gyawali, R.; Kim, K.-S.,
Bioactive volatile compounds of three medicinal plants from Nepal,
Kathmandu Univ. J. Sci., Engineering and Technol., 2012, 8, 1, 51-62. [all data]
Mebazaa, Mahmoudi, et al., 2009
Mebazaa, R.; Mahmoudi, A.; Fouchet, M.; Dos Santos, M.; Kamissoko, F.; Nafti, A.; Ben Cheikh, R.; Rega, B.; Camel, V.,
Characterization of volatile compounds in Tunisian fenugreek seeds,
Food Chem., 2009, 115, 4, 1326-1336, https://doi.org/10.1016/j.foodchem.2009.01.066
. [all data]
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]
Viegas and Bassoli, 2007
Viegas, M.C.; Bassoli, D.G.,
Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax,
Quim. Nova, 2007, 30, 8, 2031-2034, https://doi.org/10.1590/S0100-40422007000800040
. [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]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Hatsuko, Kazuko, et al., 1992
Hatsuko, S.; Kazuko, H.; Masayoshi, K.; Yoshiaki, I.,
Improvement of quality of likorine extract by heat treatment,
J. Food Sci. Technol., 1992, 39, 11, 976-983, https://doi.org/10.3136/nskkk1962.39.976
. [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]
Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J.,
Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse,
J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5
. [all data]
MacLeod and Pieris, 1981
MacLeod, A.J.; Pieris, N.M.,
Volatile flavor components of beli fruit (Aegle marmelos) and a processed product,
J. Agric. Food Chem., 1981, 29, 6, 1262-1264, https://doi.org/10.1021/jf00108a040
. [all data]
Notes
Go To: Top, Normal alkane RI, polar column, custom temperature program, References
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