Home Page Flashcards 2-Isobutyl-3-methoxypyrazine C9H14N2O structure - Flashcards

2-Isobutyl-3-methoxypyrazine C9H14N2O structure – Flashcards

Flashcard maker : Lesly Nixon

Contents

Experimental Boiling Point:
Experimental Flash Point:
Experimental Gravity:
Experimental Refraction Index:
Appearance:
Safety:
Retention Index (Kovats):
Retention Index (Normal Alkane):

Molecular Formula	C₉H₁₄N₂O
Average mass	166.220 Da
Density	1.0±0.1 g/cm³
Boiling Point	210.8±35.0 °C at 760 mmHg
Flash Point	80.0±0.0 °C
Molar Refractivity	47.9±0.3 cm³
Polarizability	19.0±0.5 10^-24cm³
Surface Tension	35.6±3.0 dyne/cm
Molar Volume	166.1±3.0 cm³

Experimental data
Predicted – ACD/Labs
Predicted – EPISuite
Predicted – ChemAxon
Predicted – Mcule

Experimental Physico-chemical Properties

Experimental Boiling Point:

60 °C / 2 mm Hg (245.7757 °C / 760 mmHg)
Food and Agriculture Organization of the United Nations 2-Isobutyl-3-methoxypyrazine

501 °C Biosynth Q-100308, Q-100318

210.8 °C Biosynth Q-100308, Q-100318

Experimental Flash Point:

80 °C Alfa Aesar

80 °C Alfa Aesar

77 °C Biosynth Q-100308, Q-100318

80 °C Biosynth Q-100308, Q-100318

80 °F (26.6667 °C)
Alfa Aesar A13680
Experimental Gravity:

1 g/mL Biosynth Q-100308, Q-100318

0.986 g/mL Alfa Aesar A13680

77 g/mL Biosynth Q-100308, Q-100318

80 g/mL Biosynth Q-100308, Q-100318
Experimental Refraction Index:

1.487-1.497 Food and Agriculture Organization of the United Nations 2-Isobutyl-3-methoxypyrazine

Miscellaneous

Appearance:

colourless to slightly yellow liquid with a green bell pepper, green pea odour Food and Agriculture Organization of the United Nations 2-Isobutyl-3-methoxypyrazine

Not Available Novochemy
[NC-35142]

Safety:

20/21/22 Novochemy
[NC-35142]

20/21/36/37/39 Novochemy
[NC-35142]

26-37 Alfa Aesar A13680

36/37/38 Alfa Aesar A13680

CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar A13680

GHS07 Biosynth Q-100308, Q-100318

GHS07; GHS09 Novochemy
[NC-35142]

H302 Biosynth Q-100308, Q-100318

H315; H319; H335 Biosynth Q-100308, Q-100318

H315-H319-H335 Alfa Aesar A13680

H332; H403 Novochemy
[NC-35142]

P261; P280; P302+P352; P304+P340; P305+P351+P338; P312 Biosynth Q-100308, Q-100318

P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar A13680

P264; P301+P312 Biosynth Q-100308, Q-100318

P332+P313; P305+P351+P338 Novochemy
[NC-35142]

R52/53 Novochemy
[NC-35142]

Warning Alfa Aesar A13680

Warning Biosynth Q-100308, Q-100318

Warning Novochemy
[NC-35142]

WARNING: Irritates lungs, eyes, skin Alfa Aesar A13680

Gas Chromatography

Retention Index (Kovats):

1204 (estimated with error: 89) NIST Spectra mainlib_160564, replib_53397

Retention Index (Normal Alkane):

1156 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Description: 40C(2min) => 2C/min =>200C =>15C/min =>250C (30min); CAS no: 24683009; Active phase: HP-1; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Barra, A.; Baldovini, N.; Loiseau, A.-M.; Albino, L.; Lesecq, C.; Cuvelier, L.L., Chemical analysis of French beans (Phaseolus vulgaris L.) by headspace solid phase microextraction (HS-SPME) and simultaneous distillation/extraction (SDE), Food Chem., 101, 2007, 1279-1284.) NIST Spectra nist ri

1176 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 60C =>4C/min=>200C (5min) => 10C/min =>280C (20min); CAS no: 24683009; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Variyar, P.S.; Ahmad, R.; Bhat, R.; Niyas, Z.; Sharma, A., Flavoring components of raw monsooned Arabica coffee and their changes during radiation processing, J. Agric. Food Chem., 51, 2003, 7945-7950.) NIST Spectra nist ri

1163 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 210 C; CAS no: 24683009; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kumazawa, K.; Masuda, H., Identification of potent odorants in different green tea varieties using flavor dilution technique, J. Agric. Food Chem., 50, 2002, 5660-5663.) NIST Spectra nist ri

1160 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 10 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 35 C; End T: 225 C; Start time: 3 min; CAS no: 24683009; Active phase: OV-101; Carrier gas: Helium; Phase thickness: 0.52 um; Data type: Normal alkane RI; Authors: Deibler, K.D.; Acree, T.E.; Lavin, E.H., Aroma analysis of coffrr brew by gas chromatography-oldfactometry, Developments in Food Sci., 40, 1998, 69-78.) NIST Spectra nist ri

1211 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 240 C; End time: 10 min; CAS no: 24683009; Active phase: Ultra-1; Carrier gas: He; Data type: Normal alkane RI; Authors: Hashizume, K.; Samuta, T., Green odorants of grape cluster stem and their ability to cause a wine stemmy flavor, J. Agric. Food Chem., 45, 1997, 1333-1337.) NIST Spectra nist ri

1175 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C(2min) =>40C/min =>60C(2min) =>6C/min =>180C=> 10C/min => 230C(10min); CAS no: 24683009; Active phase: SE-54; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lasekan, O.; Buettner, A.; Christlbauer, M., Investigation of important odorants of palm wine (Elaeis guineensis), Food Chem., 105, 2007, 15-23., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 0 C; End T: 200 C; Start time: 2 min; CAS no: 24683009; Active phase: SE-54; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Laselan, P.; Buettner, A.; Christlbauer, M., Investigation of the retronasal perseption of palm wine (Elaeis guineensis) aroma by application of sensory analysis and exhaled odorant measurement (EXOM), African J. of Food, Agriculture, Nutrition and development, 9(2), 2009, 793-813., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 15 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 35 C; End T: 250 C; Start time: 3 min; CAS no: 24683009; Active phase: OV-101; Carrier gas: He; Data type: Normal alkane RI; Authors: Chisholm, M.G.; Guiher, L.A.; Zaczkiewicz, S.M., Aroma characteristics of aged Vidal blanc wine, Am. J. Enol. Vitic, 46(1), 1995, 56-62.) NIST Spectra nist ri

1164 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 30c (1.5min) => 20C/min => 55C =>6C/min => 200C(10min); CAS no: 24683009; Active phase: RSL-150; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Buchbauer, G.; Nikiforov, A.; Remberg, B., Headspace constituents of opium, Planta Medica, 60(2), 1994, 181-183.) NIST Spectra nist ri

1166 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 24683009; Active phase: OV-101; Data type: Normal alkane RI; Authors: Mihara, S.; Masuda, H., Structure-odor relationships for disubstituted pyrazines, J. Agric. Food Chem., 36(6), 1988, 1242-1247.) NIST Spectra nist ri

1166.1 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column length: 8 ft; Column type: Packed; Heat rate: 2.1 K/min; Start T: 75 C; End T: 220 C; CAS no: 24683009; Active phase: SE-30; Carrier gas: He; Substrate: Chromosorb W (60-80 mesh); Data type: Normal alkane RI; Authors: Friedel, P.; Krampl, V.; Radford, T.; Renner, J.A.; Shephard, F.W.; Gianturco, M.A., Some constituents of the aroma complex of coffee, J. Agric. Food Chem., 19(3), 1971, 530-532.) NIST Spectra nist ri

1193 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 120 0C ^ 2 0C/min -> 240 0C ^ 10 0C/min -> 270 0C (2 min); CAS no: 24683009; Active phase: HP-5 MS; Carrier gas: Helium; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Dharmawan, J.; Kasapis, S.; Sriramula, P.; Lear, M.J.; Curran, P., Evaluation of aroma-active compounds in Pontianak orange peel oil (Citrus nobilis Lour. var. microcarpa Hassk.) by gas chromatography – olfactometry, aroma reconstitution, and omission test, J. Agric. Food Chem., 57(1), 2009, 239-244.) NIST Spectra nist ri

1178 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 220 C; End time: 70 min; Start time: 2 min; CAS no: 24683009; Active phase: DB-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shimizu, Y.; Imayoshi, Y.; Kato, M.; Maeda, K.; Iwabuchi, H.; Shimomura, K., Volatiles from leaves of field-grown plants and shoot cultures of Gynura bicolor DC, Flavour Fragr. J., 24, 2009, 251-258.) NIST Spectra nist ri

1187 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C (5min) => 10C/min => 80C => 20C/min => 230C (5min); CAS no: 24683009; Active phase: HP-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hartmann, P.J.; McNair, H.M.; Zoecklein, B.W., Measurement of 3-alkyl-2-methoxypyrazine by headspace solid-phase microextraction in spiked model wines, Am. J. Enol. Vitic, 53(4), 2002, 285-288., Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 C(1min)=> 20C/min => 80C => 25C/min => 250C (3 min); CAS no: 24683009; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hartmann, P.J., The effect of wine matrix ingredients on 3-alkyl-2-methoxypyrazines measurements by headspace solid-phase microextraction (HS-SPME), Master’s Thesis, Virginia Tech., Blacksburg, Va., 2003, 30., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 230 C; End time: 10 min; Start time: 4 min; CAS no: 24683009; Active phase: HP-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Forero, M.D.; Quijano, C.E.; Pino, J.A., Volatile compounds of Chile pepper (Capsicum annuum L. var. glabriusculum) at two ripening stages, Flavour Fragr. J., 24, 2008, 25-30.) NIST Spectra nist ri

1184 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40C(2min) =;40C/min =;60C(2min) =;6C/min =; 180C =;15C/min =; 230C(10min); CAS no: 24683009; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Buettner, A., A selective and sensitive approach to characterize odour-active and volatile constituents in small-scale human milk samples, Flavour Fragr. J., 22, 2007, 465-473., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 5 min; Start time: 2 min; CAS no: 24683009; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Czerny, M.; Grosch, W., Potent odorants of raw Arabica coffee. Their changes during roasting, J. Agric. Food Chem., 48, 2000, 868-872., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 200 C; CAS no: 24683009; Active phase: DB-5; Carrier gas: H2; Data type: Normal alkane RI; Authors: Gallois, A.; Grimont, P.A.D., Pyrazines responsible for the potatolike odor produced by some Serratia and Cedecea strains, Appl. Environ. Microbiol., , 1985, 1048-1051.) NIST Spectra nist ri

1186 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Description: -5C(1min)=;4C/min=;50C=;6C/min=;120C=;8C/min=;250C(2min); CAS no: 24683009; Active phase: DB-5; Phase thickness: 1.5 um; Data type: Normal alkane RI; Authors: Bucking, M.; Steinhart, H., Headspace GC and sensory analysis characterization of the influence of different milk additives on the flavor release of coffee beverages, J. Agric. Food Chem., 50, 2002, 1529-1534., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 280 C; End time: 10 min; Start time: 2 min; CAS no: 24683009; Active phase: HP-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Pino, J.; Sauri-Duch, E.; Marbot, R., Changes in volatile compounds of Habanero chile pepper (Capsicum chinense Jack. cv. Habanero) at two ripening stages, Food Chem., 94, 2006, 394-398., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; CAS no: 24683009; Active phase: CP Sil 8 CB; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Duckham, S.C.; Dodson, A.T.; Bakker, J.; Ames, J.M., Volatile flavour components of baked potato flesh. A comparison of eleven potato cultivars, Nahrung/Food, 45(5), 2001, 317-323.) NIST Spectra nist ri

1181 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35 0C (2 min) ^ 40 0C/min -; 50 0C (1 min) 6 0C/min -; 230 0C; CAS no: 24683009; Active phase: SE-54; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Reiners, J.; Grosch, W., Odorants of virgin olive oils with different flavor profiles, J. Agric. Food Chem., 46(7), 1998, 2754-2763., Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40 0C (2 min) ^ 6 K/min -; 190 0C ^ 12 K/min -; 240 0C; CAS no: 24683009; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Steinhaus, M.; Schieberle, P., Characterization of odorants causing an atypical aroma in white pepper powder (Piper nigrum L.) based on quantitative measurements and orthonasal breakthrough thresholds, J. Agric. Food Chem., 53, 2005, 6049-6055.) NIST Spectra nist ri

1185 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 C(1min)=; 20C/min =; 80C =; 25C/min =; 250C (3 min); CAS no: 24683009; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hartmann, P.J., The effect of wine matrix ingredients on 3-alkyl-2-methoxypyrazines measurements by headspace solid-phase microextraction (HS-SPME), Master’s Thesis, Virginia Tech., Blacksburg, Va., 2003, 30., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Heat rate: 16 K/min; Start T: 80 C; End T: 250 C; CAS no: 24683009; Active phase: HP-5; Carrier gas: H2; Data type: Normal alkane RI; Authors: Spadone, J.-C.; Takeoka, G.; Liardon, R., Analytical Investigation of Rio Off-Flavor in Green Coffee, J. Agric. Food Chem., 38(1), 1990, 226-233.) NIST Spectra nist ri

1173 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 45 C; End T: 230 C; End time: 10 min; Start time: 1 min; CAS no: 24683009; Active phase: HP-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Darriet, P.; Pons, M.; Henry, R.; Dumont, O.; Findeling, V.; Cartolaro, P.; Calonnec, A.; Dubourdieu, D., Impact odorants contributing to the fungus type aroma from grape berries contaminated by powdery mildew (Uncinula necator); incidence of enzymatic activities of the yeast Saccharomyces cerevisiae, J. Agric. Food Chem., 50, 2002, 3277-3282.) NIST Spectra nist ri

1183 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 5 min; Start time: 2 min; CAS no: 24683009; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Sanz, C.; Czerny, M.; Cid, C.; Schieberle, P., Comparison of potent odorants in a filtered coffee brew and in an instant coffee beverage by aroma extract dilution analysis (AEDA), Eur. Food Res. Technol., 214, 2002, 299-302.) NIST Spectra nist ri

1174 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 195 C; End time: 40 min; Start time: 5 min; CAS no: 24683009; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Suriyaphan, O.; Drake, M.; Chen, X.Q.; Cadwallader, K.R., Characteristic aroma components of British farmhouse cheddar cheese, J. Agric. Food Chem., 49, 2001, 1382-1387.) NIST Spectra nist ri

1195 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 245 C; End time: 20 min; Start time: 3 min; CAS no: 24683009; Active phase: DB-5; Carrier gas: H2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Kotseridis, Y.; Baumes, R., Identification of impact odorants in Bordeaux red grape juice, in the commercial yeast used for its fermentation, and in the produced wine, J. Agric. Food Chem., 48, 2000, 400-406.) NIST Spectra nist ri

1161 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.3 mm; Column length: 30 m; Column type: Capillary; Heat rate: 16 K/min; Start T: 80 C; End T: 250 C; CAS no: 24683009; Active phase: DB-5; Carrier gas: H2; Data type: Normal alkane RI; Authors: Spadone, J.-C.; Takeoka, G.; Liardon, R., Analytical Investigation of Rio Off-Flavor in Green Coffee, J. Agric. Food Chem., 38(1), 1990, 226-233., Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Heat rate: 16 K/min; Start T: 80 C; End T: 250 C; CAS no: 24683009; Active phase: HP-5; Carrier gas: H2; Data type: Normal alkane RI; Authors: Spadone, J.-C.; Takeoka, G.; Liardon, R., Analytical Investigation of Rio Off-Flavor in Green Coffee, J. Agric. Food Chem., 38(1), 1990, 226-233.) NIST Spectra nist ri

1517 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C(2min) =>40C/min =>50C(2min) =>6C/min =>180C=> 10C/min => 230C(10min); CAS no: 24683009; Active phase: DB-FFAP; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lasekan, O.; Buettner, A.; Christlbauer, M., Investigation of important odorants of palm wine (Elaeis guineensis), Food Chem., 105, 2007, 15-23., Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40 0C (2 min) ^ 6 K/min -> 190 0C ^ 12 K/min -> 240 0C; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Steinhaus, M.; Schieberle, P., Characterization of odorants causing an atypical aroma in white pepper powder (Piper nigrum L.) based on quantitative measurements and orthonasal breakthrough thresholds, J. Agric. Food Chem., 53, 2005, 6049-6055., Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40C(2min) =>40C/min =>60C(2min) =>6C/min => 180C =>15C/min => 230C(10min); CAS no: 24683009; Active phase: DB-FFAP; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Buettner, A., A selective and sensitive approach to characterize odour-active and volatile constituents in small-scale human milk samples, Flavour Fragr. J., 22, 2007, 465-473., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 0 C; End T: 200 C; Start time: 2 min; CAS no: 24683009; Active phase: DB-FFAP; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Laselan, P.; Buettner, A.; Christlbauer, M., Investigation of the retronasal perseption of palm wine (Elaeis guineensis) aroma by application of sensory analysis and exhaled odorant measurement (EXOM), African J. of Food, Agriculture, Nutrition and development, 9(2), 2009, 793-813.) NIST Spectra nist ri

1513 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 220 C; End time: 70 min; Start time: 2 min; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shimizu, Y.; Imayoshi, Y.; Kato, M.; Maeda, K.; Iwabuchi, H.; Shimomura, K., Volatiles from leaves of field-grown plants and shoot cultures of Gynura bicolor DC, Flavour Fragr. J., 24, 2009, 251-258.) NIST Spectra nist ri

1529 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 210 C; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kumazawa, K.; Kubota, K.; Masuda, H., Influence of Manufacturing Conditions and Crop Season on the Formation of 4-Mercapto-4-methyl-2-pentanone in Japanese Green Tea (Sen-cha), J. Agric. Food Chem., 53, 2005, 5390-5396., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 210 C; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kumazawa, K.; Masuda, H., Identification of potent odorants in different green tea varieties using flavor dilution technique, J. Agric. Food Chem., 50, 2002, 5660-5663.) NIST Spectra nist ri

1540 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 200 C; Start time: 5 min; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Cullere, L.; Escudero, A.; Cacho, J.; Ferreira, V., Gas chromatography-olfactometry and chemical quantitative study of the aroma of six premium auality Spanish aged red wines, J. Agric. Food Chem., 52, 2004, 1653-1660.) NIST Spectra nist ri

1531 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 230 C; Start time: 8 min; CAS no: 24683009; Active phase: TC-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A., Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles, Flavour Fragr. J., 19, 2004, 183-187.) NIST Spectra nist ri

1510 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C=> 2C/min =>150C=> 10C/min =>250C; CAS no: 24683009; Active phase: CP-Wax 52CB; Phase thickness: 1.5 um; Data type: Normal alkane RI; Authors: Luning, P.A.; de Rijk, T.; Wichers, H.J.; Roozen, J.P., Gas chromatography, mass spectrometry, and sniffing port analyses of volatile compounds of fresh bell peppers (Capsicum annuum) at different ripening stages, J. Agric. Food Chem., 42(4), 1994, 977-983., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 20 min; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Akiyama, M.; Murakami, K.; Ohtani, N.; Iwatsuki, K.; Sotoyama, K.; Wada, A.; Tokuno, K.; Iwabuchi, H.; Tanaka, K., Analysis of volatile compounds released during the grinding of roasted coffee beans using solid-phase microextraction, J. Agric. Food Chem., 51, 2003, 1961-1969.) NIST Spectra nist ri

1545 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 35 C; End T: 230 C; End time: 15 min; Start time: 5 min; CAS no: 24683009; Active phase: EC-1000; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Bendall, J.G., Aroma compounds of fresh milk from New Zealand cows fed different diets, J. Agric. Food Chem., 49, 2001, 4825-4832., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 200 C; Start time: 5 min; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Lopez, R.; Ortin, N.; Perez-Trujillo, J.P.; Cacho, J.; Ferreira, V., Impact odorants of different young white wines from the Canary islands, J. Agric. Food Chem., 51, 2003, 3419-3425.) NIST Spectra nist ri

1549 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 45 C; End T: 230 C; End time: 10 min; Start time: 1 min; CAS no: 24683009; Active phase: BP-20; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Darriet, P.; Pons, M.; Henry, R.; Dumont, O.; Findeling, V.; Cartolaro, P.; Calonnec, A.; Dubourdieu, D., Impact odorants contributing to the fungus type aroma from grape berries contaminated by powdery mildew (Uncinula necator); incidence of enzymatic activities of the yeast Saccharomyces cerevisiae, J. Agric. Food Chem., 50, 2002, 3277-3282.) NIST Spectra nist ri

1516 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 180 C; End time: 10 min; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Shibamoto, T., Analysis of volatile components isolated from Hawaiian green coffee beans (Coffea arabica L.), Flavour Fragr. J., 17, 2002, 349-351., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 5 min; Start time: 2 min; CAS no: 24683009; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Czerny, M.; Grosch, W., Potent odorants of raw Arabica coffee. Their changes during roasting, J. Agric. Food Chem., 48, 2000, 868-872.) NIST Spectra nist ri

1514 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 5 min; Start time: 2 min; CAS no: 24683009; Active phase: DB-FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Sanz, C.; Czerny, M.; Cid, C.; Schieberle, P., Comparison of potent odorants in a filtered coffee brew and in an instant coffee beverage by aroma extract dilution analysis (AEDA), Eur. Food Res. Technol., 214, 2002, 299-302.) NIST Spectra nist ri

1520 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35 0C (2 min) ^ 40 K/min -> 60 0C (1 min) ^ 6 K/min -> 240 0C; CAS no: 24683009; Active phase: DB-FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mayer, F.; Grosch, W., Aroma simulation on the basis of the odourant composition of roasted coffee headspace, Flavour Fragr. J., 16, 2001, 180-190.) NIST Spectra nist ri

1506 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 195 C; End time: 40 min; Start time: 5 min; CAS no: 24683009; Active phase: DB-FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Suriyaphan, O.; Drake, M.; Chen, X.Q.; Cadwallader, K.R., Characteristic aroma components of British farmhouse cheddar cheese, J. Agric. Food Chem., 49, 2001, 1382-1387.) NIST Spectra nist ri

1525 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 245 C; End time: 20 min; Start time: 3 min; CAS no: 24683009; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Kotseridis, Y.; Baumes, R., Identification of impact odorants in Bordeaux red grape juice, in the commercial yeast used for its fermentation, and in the produced wine, J. Agric. Food Chem., 48, 2000, 400-406.) NIST Spectra nist ri

1519 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 30C (1.5min)=>3C/min =>120C =>10C/min =>220C (3.5min); CAS no: 24683009; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.