2-Methylbutane 1-16 INDEX

Individually indexed compounds are f Butanethiol, 1712 f 2-Butanethiol, 1713 Dodecanethiol, 3567 f Ethanethiol, 0933 f Methanethiol, 0489 f 2-Methylbutane-2-thiol, 2023 f 3-Methylbutanethiol, 2024 f 2-Methylpropanethiol, 1715 f 2-Methyl-2-propanethiol, 1716... 

Structure Type 2-Methylbutane derivatives C Point, ° C. Point, ° C. Index, dj°... 

Figure 5.11 Subgraphs of different order and type shown for 2-methylbutane. The cluster index of fourth order is illustrated with 2,2-dimethylpropane.

Properties Straw- to purple-colored liquid. D 0.88 (20C), 95% distills between 85 and 109C, wt/gal 7.33 lb, refr index (20C) 1.406. Insoluble in water water azeotrope at 77-82C approximately 90% CjHjjCI, miscible with alcohol and ether. Flash p 38F (3.3C) (OC). Components 1-chloropentane, bp 107.8C 2-chloropentane, bp 96.7C 3-chloropen-tane, bp 97.3C l-chloro-2-methylbutane, bp 99.9C l-chloro-3-methylbutane, bp 98.8C 3-chloro-2-methylbutane, bp 93.0C 2-chloro-2-methylbutane, bp 86.0C. 

Fig. 5.10. FD chromatogram of static headspace samples of French fries. Ordinate n, number of 1 +1 dilutions. Abscissa retention index (RI) on the capillary SE-54. The following odorants were identified 1 methanethiol, 2 methylpropanal, 3 2,3-butanedione, 4 3-methylbutanal, 5 2-methylbutanal, 6 2,3-pentanedione, 7 hexanal, 8 me-thional, 9 2-acetyl-1-pyrroline, 10 dimethyltrisulfide (according to Wagner and Grosch, 1997)...

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