Home Page Flashcards Isobutyric acid C4H8O2 structure - Flashcards

Isobutyric acid C4H8O2 structure – Flashcards

Flashcard maker : Stephanie Landry

Contents

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

Molecular Formula	C₄H₈O₂
Average mass	88.105 Da
Density	1.0±0.1 g/cm³
Boiling Point	155.2±8.0 °C at 760 mmHg
Flash Point	55.6±0.0 °C
Molar Refractivity	22.1±0.3 cm³
Polarizability	8.8±0.5 10^-24cm³
Surface Tension	30.5±3.0 dyne/cm
Molar Volume	89.6±3.0 cm³

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

Experimental Physico-chemical Properties

Experimental Melting Point:

-47 °C Alfa Aesar

-46 °C Jean-Claude Bradley Open Melting Point Dataset 13246, 16694, 21159

-47 °C Jean-Claude Bradley Open Melting Point Dataset 7357

-47 °C Alfa Aesar L04038

-47 °C LabNetwork LN00225860

-47 °C FooDB FDB003277

Experimental Boiling Point:

153-154 °C Alfa Aesar

155 °C Food and Agriculture Organization of the United Nations 2-Methylpropionic acid

153-154 °C Alfa Aesar L04038

153-154 °C LabNetwork LN00225860

35 °C / 118 mmHg (90.7353 °C / 760 mmHg)
FooDB FDB003277

Experimental LogP:

0.593 Vitas-M STL146521
Experimental Flash Point:

59 °C Alfa Aesar

59 °C Alfa Aesar

59 °F (15 °C)
Alfa Aesar L04038

132 °C LabNetwork LN00225860
Experimental Gravity:

20 g/mL Merck Millipore 1900

20 g/l Merck Millipore 1900, 800472

0.948 g/mL Alfa Aesar L04038
Experimental Refraction Index:

1.3928 Alfa Aesar L04038

1.392-1.395 Food and Agriculture Organization of the United Nations 2-Methylpropionic acid

20 FooDB FDB003277

Miscellaneous

Appearance:

colourless liquid with a strong penetrating odour of rancid butter Food and Agriculture Organization of the United Nations 2-Methylpropionic acid

Safety:

21/22 Alfa Aesar L04038

3 Alfa Aesar L04038

DANGER: FLAMMABLE, CORROSIVE, burns skin and eyes Alfa Aesar L04038

H226-H302-H312 Alfa Aesar L04038

P210-P280-P240-P303+P361+P353-P403+P235-P501a Alfa Aesar L04038

Warning Alfa Aesar L04038

Gas Chromatography

Retention Index (Kovats):

711 (estimated with error: 51) NIST Spectra mainlib_228227, replib_672, replib_150834, replib_250377, replib_19501, replib_375975

1519 (Program type: Ramp; Column cl… (show more) ass: Standard 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: 79312; Active phase: Carbowax 20M; Data type: Kovats RI; Authors: Nishimura, O.; Yamaguchi, K.; Mihara, S.; Shibamoto, T., Volatile Constituents of Guava Fruits (Psidium guajava L.) and Canned Puree, J. Agric. Food Chem., 37(1), 1989, 139-142.) NIST Spectra nist ri

1574 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 200 C; Start time: 10 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: N2; Data type: Kovats RI; Authors: Umano, K.; Shoji, A.; Hagi, Y.; Shibamoto, T., Volatile constituents of peel of quince fruit, Cydonia oblonga Miller, J. Agric. Food Chem., 34(4), 1986, 593-596.) NIST Spectra nist ri

Retention Index (Normal Alkane):

731 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 36C(2min)=>20C/min=>85C=>1C/min=>145C=>3C/min=>250C(30min); CAS no: 79312; Active phase: CP-Sil5 CB MS; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Iraqi, R.; Vermeulen, C.; Benzekri, A.; Bouseta, A.; Collin, S., Screening for key odorants in Moroccan green olives by gas chromatography-olfactometry/aroma extract dilution analysis, J. Agric. Food Chem., 53, 2005, 1179-1184.) NIST Spectra nist ri

780 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 250 C; CAS no: 79312; Active phase: OV-101; Carrier gas: N2/He; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Experimentally measured retention indices., 2005.) NIST Spectra nist ri

756 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 79312; Active phase: SE-30; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri

723 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 35 C; End T: 200 C; Start time: 1 min; CAS no: 79312; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Robacker, D.C.; Bartelt, R.J., Chemicals attractive to Mexican fruit fly from Klebsiella pneumoniae and Citrobacter freundii cultures sampled by solid-phase microextraction MICROEXTRACTION, J. Chem. Ecol., 23(12), 1997, 2897-2915.) NIST Spectra nist ri

753 (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: 5 K/min; Start T: 70 C; End T: 290 C; End time: 10 min; CAS no: 79312; Active phase: HP-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Radulovic, N.S.; Blagojevic, P.D.; Palic, R.M.; Zlatkovic, B.K.; Stevanovic, B.M., Volatiles from vegetative organs of the paleoendemic resurrection plants Ramonda serbica Panc. and Ramonda nathaliae Panc. at Petrov, J. Serb. Chem. Soc., 74(1), 2009, 35-44., 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: 3 K/min; Start T: 40 C; End T: 200 C; End time: 2 min; Start time: 5 min; CAS no: 79312; Active phase: DB-5; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Kondjoyan, N.; Viallon, C.; Berdague, J.L.; Daridan, D.; Simon, M.-N.; Legault, C., Analyse comparative de la fraction volatile de jambons secs de porcs Gascon et Large-White x Landrace Francais, J. Rech. C.N.R.S., 29, 1997, 405-410.) NIST Spectra nist ri

738 (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: 4 K/min; Start T: 40 C; End T: 205 C; End time: 5 min; Start time: 5 min; CAS no: 79312; Active phase: RTX-5; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Berdague, J.L.; Tournayre, P.; Cambou, S., Novel multi-gas chromatography?olfactometry device and software for the identification of odour-active compounds, J. Chromatogr. A, 1146, 2007, 85-92.) NIST Spectra nist ri

758 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C (10min) => 3C/min => 95C =>10C/min => 270C (10min); CAS no: 79312; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mateo, J.; Zumalacarregui, J.M., Volatile compounds in chorizo and their changes during ripening, Meat Sci., 44(4), 1996, 255-273., 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: 7 K/min; Start T: 40 C; End T: 250 C; End time: 5 min; Start time: 10 min; CAS no: 79312; Active phase: 5 % Phenyl methyl siloxane; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Ramirez R.; Cava R., Volatile profiles of dry-cured meat products from three different Iberian x Duroc genotypes, J. Agric. Food Chem., 55, 2007, 1923-1931.) NIST Spectra nist ri

803.9 (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: 30 C; End T: 260 C; End time: 28 min; Start time: 2 min; CAS no: 79312; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 4(2), 2005, 899-915.) NIST Spectra nist ri

775 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 270 C; End time: 5 min; Start time: 4 min; CAS no: 79312; Active phase: MDN-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 90, 2005, 417-425., 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: 79312; 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

797 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 270 C; End time: 5 min; Start time: 4 min; CAS no: 79312; Active phase: MDN-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 90, 2005, 417-425.) NIST Spectra nist ri

757 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C(10min)=> 5C/min => 200C =>20C/min =>250C (5min); CAS no: 79312; Active phase: DB-5; Phase thickness: 1.05 um; Data type: Normal alkane RI; Authors: Garcia-Estaban, M.; Ansorena, D.; Astiasaran, I.; Ruiz, J., Study of the effect of different fiber coatings and extraction conditions on dry cured ham volatile compounds extracted by solid-phase microextraction (SPME), Talanta, 64, 2004, 458-466., Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C(10min)=>5C/min=>200C=>20C/min=>250C(5min); CAS no: 79312; Active phase: HP-5; Phase thickness: 1.05 um; Data type: Normal alkane RI; Authors: Garcia-Estaban, M.; Ansorena, D.; Astiasaran, I.; Martin, D.; Ruiz, J., Comparison of simultaneous distillation extraction (SDE) and solid-phase microextraction (SPME) for the analysis of volatile compounds in dry-cured ham, J. Sci. Food Agric., 84, 2004, 1364-1370.) NIST Spectra nist ri

744 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 79312; Active phase: SPB-5; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Begnaud, F.; Peres, C.; Berdague, J.-L., Characterization of volatile effluents of livestock buildings by solid-phase microextraction, Int. J. Environ. Anal. Chem., 83(10), 2003, 837-849.) NIST Spectra nist ri

790 (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) => 2C/min => 120C => 10C/min => 210C (30min); CAS no: 79312; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Marti, M.P.; Mestres, M.; Sala, C.; Busto, O.; Guasch, J., Solid-phase microextraction and gas chromatography olfactometry analysis of successively diluted samples. A new approach of the aroma extract dilution analysis applied to the characterization of wine aroma, J. Agric. Food Chem., 51, 2003, 7861-7865.) NIST Spectra nist ri

742.8 (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: 3 K/min; Start T: 40 C; End T: 200 C; Start time: 5 min; CAS no: 79312; Active phase: SPB-5; Carrier gas: He; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Pinho, O.; Peres, C.; Ferreira, I.M.P.L.V.O., Solid-phase microextraction of volatile compounds in “Terrincho” ewe cheese. Comparison of different fibers, J. Chromatogr. A, 1011, 2003, 1-9.) NIST Spectra nist ri

741 (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: 3 K/min; Start T: 30 C; End T: 230 C; CAS no: 79312; Active phase: SPB-5; Carrier gas: Helium; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Sebastian, I.; Viallon-Fernandez, C.; Berge, P.; Berdague, J.-L., Analysis of the volatile fraction of lamb fat tissue: influence of the type of feeding, Sciences des Aliments, 23, 2003, 497-511.) NIST Spectra nist ri

739 (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: 280 C; End time: 5 min; Start time: 5 min; CAS no: 79312; Active phase: RSL-200; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ngassoum, M.B.; Jirovetz, L.; Buchbauer, G., SPME/GC/MS analysis of headspace aroma compounds of the Cameroonian fruit Tetrapleura tetraptera (Thonn.) Taub., Eur. Food Res. Technol., 213, 2001, 18-21.) NIST Spectra nist ri

796 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 190 C; Start time: 5 min; CAS no: 79312; Active phase: BP-5; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Lopez, R.; Ferreira, V.; Hernandez, P.; Cacho, J.F., Identification of impact odorants of young red wines made with Merlot, Cabernet Sauvignon and Grenache grape varieties: a comparative study, J. Sci. Food Agric., 79, 1999, 1461-1467.) NIST Spectra nist ri

767 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 35 0C ^ 10 0C/min -> 200 0C (20 min) ^ 5 0C/min -> 230 0C (50 min); CAS no: 79312; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.52 um; Data type: Normal alkane RI; Authors: Timon, M.L.; Ventanas, J.; Martin, L.; Tejeda, J.F.; Garcia, C., Volatile compounds in supercritical carbon dioxide extracts of Iberian ham, J. Agric. Food Chem., 46(12), 1998, 5143-5150.) NIST Spectra nist ri

770 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C(10min)=>3C/min=>95C=>10C/min=>270C(10min); CAS no: 79312; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mateo, J.; Aguirrezabal, M.; Dominguez, C.; Zumalacarregui, J.M., Volatile compounds in Spanish paprika, J. Food Comp. Anal., 10, 1997, 225-232.) NIST Spectra nist ri

765 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C (10min) => 3C/min => 95C =>10C/min => 270C (10min); CAS no: 79312; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mateo, J.; Zumalacarregui, J.M., Volatile compounds in chorizo and their changes during ripening, Meat Sci., 44(4), 1996, 255-273.) NIST Spectra nist ri

1600 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 79312; Active phase: EC-1000; Data type: Normal alkane RI; Authors: Delabre, M.-L.; Bendall, J.F., Flavour ingredients from fermented dairy streams, Expression of Multidisciplinary Flavour Sci., , 9999, 375-378.) NIST Spectra nist ri

1586 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 45 C; End T: 220 C; CAS no: 79312; Active phase: HP-FFAP; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Wanakhachornkrai, P.; Lertsiri, S., Analytical, nutritional, and clinical methods. Comparison of determination method for volatile compounds in Thai soy sauce, Food Chem., 83, 2003, 619-629., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 45 C; End T: 220 C; CAS no: 79312; Active phase: HP-FFAP; Carrier gas: Helium; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Wanakhachornkrai, P.; Lertsiri, S., Comparison of determination method for volatile compounds in Thai soy sauce, Analytical, Nutritional and Clinical Methods, , 9999, 1-11.) NIST Spectra nist ri

1585 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.20 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 45 C; End T: 190 C; End time: 50 min; Start time: 2 min; CAS no: 79312; Active phase: HP-Innowax; Carrier gas: Helium; Phase thickness: 0.20 um; Data type: Normal alkane RI; Authors: Soria, A.C.; Sanz, J.; Martinez-Castro, I., SPME followed by GC-MS: a powerful technique for qualitative analysis of honey volatiles, Eur. Food Res. Technol., , 2008, 1-12., 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: 15 min; Start time: 2 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Fan, W.; Qian, M.C., Identification of aroma compounds in Chinese ‘Yanghe Daqu’ liquor by normal phase chromatography fractionation followed by gas chromatography/olfactometry, Flavour Fragr. J., 21, 2006, 333-342.) NIST Spectra nist ri

1618 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40 0C (4 min) ^ 3 0C/min -> 50 0C ^ 5 0C/min -> 120 0C ^ 7 0C/min -> 175 0C ^ 10 0C/min -> 230 0C (8 min); CAS no: 79312; Active phase: DB-Wax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Yongsheng, T.; Hua, L.; Hua, W.; Li, Z., Volatile composition of young Cabernet Savignon red wine from Changli Counti (China), J. Food Composition and Analysis, 21, 2008, 689-694.) NIST Spectra nist ri

1570 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 45C(4min) => 30C/min=> 60C (5min) => 3C/min =>220C(40min); CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Data type: Normal alkane RI; Authors: Ziegleder, G., Volatile and odorous compounds in unprinted paperboard, Packag. Technol. Sci., 11, 1998, 231-239., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 200 C; CAS no: 79312; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Normal alkane RI; Authors: Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., The volatile components of Chinese quince (Pseudocydonia sinensis Schneid), in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s), Elsevier, New York, 1988, 537-550., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 200 C; CAS no: 79312; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Normal alkane RI; Authors: Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., Volatile components of Chinese quince (Pseudocydonia sinensis Schneid), J. Agric. Food Chem., 35(4), 1987, 532-537., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 30 C; End T: 250 C; Start time: 1 min; CAS no: 79312; Active phase: DB-Wax; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Tanaka, T.; Yamauchi, T.; Katsumata, R.; Kiuchi, K., Comparison of volatile components in commercial Itohiki-Natto by solid phase microextraction and gas chromatography, Nippon Shokuhin Kagaku Kogaku Kaishi, 50(6), 2003, 278-285., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 220 C; End time: 20 min; Start time: 2 min; CAS no: 79312; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.32 um; Data type: Normal alkane RI; Authors: Audino, P.G.; Alzogaray, R.A.; Vassena, C.; Masuh, H.; Fontan, A.; Gatti, P.; Martinez, A.; Camps, F.; Cork, A.; Zerba, E., Volatile compounds secreted by Brindley’s glands of adult Triatoma infestans: identification and biological activity of previously unidentified compounds, Journal of Vector Ecology, 32(1), 2007, 75-82.) NIST Spectra nist ri

1563 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(4min)=;4C/min=;130C=;1C/min =; 190C =; 4C/min =;220C(20min); CAS no: 79312; Active phase: DB-Wax; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mayorga, H.; Knapp, H.; Winterhalter, P.; Duque, C., Glycosidically bound flavor compounds of cape gooseberry (Physalis peruviana L.), J. Agric. Food Chem., 49, 2001, 1904-1908., 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: 79312; 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.) NIST Spectra nist ri

1572 (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: 230 C; End time: 5 min; Start time: 2 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Fan, W.; Qian, M.C., Headspace Solid Phase Microextraction and Gas Chromatography-Olfactometry Dilution Analysis of Young and Aged Chinese “Yanghe Daqu” Liquors, J. Agric. Food Chem., 53, 2005, 7931-7938., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 220 C; End time: 20 min; Start time: 8 min; CAS no: 79312; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Povolo, M.; Contarini, G.; Mele, M.; Secchiari, P., Study on the influence of pasture on volatile fraction of Ewes’ dairy products by solid-phase microextraction and gas chromatography-mass spectrometry, J. Dairy Sci., 90, 2007, 556-569.) NIST Spectra nist ri

1552 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 220 C; End time: 10 min; Start time: 5 min; CAS no: 79312; Active phase: RTX-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Prososki, R.A.; Etzel, M.R.; Rankin, S.A., Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder, J. Dairy Sci., 90, 2007, 523-531.) NIST Spectra nist ri

1568 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (2 min) ^ 6 0C/min -> 150 0C ^ 8 0C/min -> 230 0C (15 min); CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Tian, Y.; Zhang, X.; Huang, T.; Zou, K.; Zhou, J., Research advances on the essential oils from leaves of Eucalyptus, Food Fermentation Ind. (Chinese), 33(10), 2007, 143-147., Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 45C(5min) =>5C/min =>150C =>10C/min =>240C (10min); CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Krings, U.; Zelena, K.; Wu, S.; Berger, R.G., Thin-layer high-vacuum distillation to isolate volatile flavour compounds of cocoa powder, Eur. Food Res. Technol., 223, 2006, 675-681., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 190 C; Start time: 5 min; CAS no: 79312; Active phase: Carbowax 20M; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Lopez, R.; Ferreira, V.; Hernandez, P.; Cacho, J.F., Identification of impact odorants of young red wines made with Merlot, Cabernet Sauvignon and Grenache grape varieties: a comparative study, J. Sci. Food Agric., 79, 1999, 1461-1467.) NIST Spectra nist ri

1597 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 30C(2min) =>4C/min =>130C =>8C/min =>250C(5min); CAS no: 79312; Active phase: HP-Innowax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Weldegergis B.T.; Tredoux A.G.J.; Crouch A.M., Application of a headspace sorptive extraction method for the analysis of volatile components in South African wines, J. Agric. Food Chem., 55, 2007, 8696-8702.) NIST Spectra nist ri

1555 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 230 C; End time: 5 min; Start time: 2 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Xu, Y.; Fan, W.; Qian, M.C., Characterization of Aroma Compounds in Apple Cider Using Solvent-Assisted Flavor Evaporation and Headspace Solid-Phase Microextraction, J. Agric. Food Chem., 55, 2007, 3051-3057., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 250 C; End time: 30 min; CAS no: 79312; Active phase: TC-Wax; Carrier gas: He; Data type: Normal alkane RI; Authors: Miyazawa, M.; Okuno, Y., Volatile components from the roots of Scrophularia ningpoensis Hemsl., Flavour Fragr. J., 18, 2003, 398-400., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.28 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 240 C; Start time: 5 min; CAS no: 79312; Active phase: FFAP; Carrier gas: He; Data type: Normal alkane RI; Authors: Vernin, G.; Metzger, J.; Obretenov, T.; Suon, K.-N.; Fraisse, D., GC/MS (EI,PCI,SIM)-data bank analysis of volatile compounds arising from thermal degradation of glucose-valine amadori intermediates, in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s), Elsevier, New York, 1988, 999-1028., 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: 230 C; End time: 15 min; Start time: 2 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Fan, W.; Qian, M.C., Characterization of Aroma Compounds of Chinese “Wuliangye” and “Jiannanchun” Liquors by Aroma Extract Dilution Analysis, J. Agric. Food Chem., 54, 2006, 2695-2704.) NIST Spectra nist ri

1561 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C=>40C/min =>60C(2min) =>4C/min =>240C; CAS no: 79312; Active phase: FFAP; Carrier gas: He; Data type: Normal alkane RI; Authors: Schieberle, P.; Grosch, W., Potent odorants of rye bread crust – differences from the crumb and from wheat bread crust, Z. Lebensm. Unters. Forsch., 198, 1994, 292-296., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 240 C; End time: 10 min; Start time: 3 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Parada, F.; Duque, C., Studies on the aroma of pinuela fruit pulp (Bromelia plumieri): Free and bound volatile composition and characterization of some glucoconjugates as aroma precursors, J. Hi. Res. Chromatogr., 21(10), 1998, 577-581., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 15 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 20 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kishimoto, T.; Wanikawa, A.; Kono, K.; Shibata, K., Comparison of the Odor-Active Compounds in Unhopped Beer and Beers Hopped with Different Hop Varieties, J. Agric. Food Chem., 54, 2006, 8855-8861.) NIST Spectra nist ri

1553 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 200 C; End time: 15 min; Start time: 3 min; CAS no: 79312; Active phase: HP-Innowax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Komes, D.; Ulrich, D.; Lovric, T., Characterization of odor-active compounds in Croatian Rhine Riesling wine, subregion Zagorje, Eur. Food Res. Technol., 222, 2006, 1-7., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 240 C; End time: 10 min; Start time: 3 min; CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Parada, F.; Duque, C., Studies on the aroma of pinuela fruit pulp (Bromelia plumieri): Free and bound volatile composition and characterization of some glucoconjugates as aroma precursors, J. Hi. Res. Chromatogr., 21(10), 1998, 577-581.) NIST Spectra nist ri

1566 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 45C(5min) =>5C/min =>150C =>10C/min =>240C (10min); CAS no: 79312; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Krings, U.; Zelena, K.; Wu, S.; Berger, R.G., Thin-layer high-vacuum distillation to isolate volatile flavour compounds of cocoa powder, Eur. Food Res. Technol., 223, 2006, 675-681.) NIST Spectra nist ri

1549 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 79312; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Editorial paper, Solid Phase Microextraction (SPME) Application Guide, The Reporter Europe (Supelco), 16(5), 2005, 12-12.) NIST Spectra nist ri

1571 (Program type: Ramp; Column cl