Ethyl acetate 1-hexanol

Generally, heptane or octanol has been used as the colloidal oil phase in the microemulsion systems (21-23). Octanol, heptane, and hexane show similar selectivity and migration time for the separation of a number of neutral solutes (24). A number of other oils were used in the microemulsion systems, for instance, ethyl acetate (25), hexanol (26), butyl chloride (27), and a chiral oil for chiral separation (28). 

Vinyl flooring Alkyl aromatics, dodecane, 2,2,4-trimethyl-f,3-pentanediol diisobutylate, 2-ethyl-f-hexanol, phenol, cresol, ethyl hexyl acetate, ammonia... 

Immobilisation of an Acetobacter aceti strain in calcium alginate resulted in improvement of the operational stability, substrate tolerance and specific activity of the cells and 23 g phenylacetic acid was produced within 9 days of fed-batch cultivation in an airlift bioreactor [133]. Lyophilised mycelia of Aspergillus oryzae and Rhizopus oryzae have been shown to efficiently catalyse ester formation with phenylacetic acid and phenylpropanoic acid and different short-chain alkanols in organic solvent media owing to their carboxylesterase activities [134, 135] (Scheme 23.8). For instance, in n-heptane with 35 mM acid and 70 mM alcohol, the formation of ethyl acetate and propylphenyl acetate was less effective (60 and 65% conversion yield) than if alcohols with increased chain lengths were used (1-butanol 85%, 3-methyl-l-butanol 86%, 1-pentanol 91%, 1-hexanol 100%). This effect was explained by a higher chemical affinity of the longer-chain alcohols, which are more hydrophobic, to the solvent. 

Compound Name Ethylene Diamine Tetracetic Acid Ethylene Oxide Ethyl Acetate Ethyl Ether Ethyl Formate Ethyl Formate Ethylhexaldehyde Ethylhexaldehyde Ethylhexaldehyde 2-Ethyl Hexanol 2-Ethyl Hexanol 2-Ethyl-3-Propylacbolein 2-Ethylhexyl Acrylate, Inhibited 2-Ethyl Hexanol 2-Ethylhexyl Acrylate, Inhibited Ethyl Hexyl Tallate 2,4,5-T(esters)... 

Chalier et al. (2007), using mannoprotein at levels usually found in wines (150 mg/L), compared the effect of a whole mannoprotein extract (isolated from a synthetic medium subjected to alcoholic fermentation) to that of well characterized different mannoproteins fractions. From the four wine aroma compounds studied (isoamyl acetate, hexanol, ethyl hexanoate and /3-ionone), all except isoamyl acetate showed a decrease in volatility (up to 80%) when mannoproteins were present (Fig. 8F.3). They suggested that both the glycosidic and the peptidic parts of these macromolecules may be responsible for the interaction. They also found that the interactions of the whole mannoprotein extract Vs. mannoprotein fractions were different, suggesting that the conformational and compositional structure of these... 

C8H1604 diethylene glycol ethyl ether acetate 112-15-2 248.15 25.400 2 15467 C8H180 3-ethyl-2-hexanol 24448-19-9 210.24 15.546 2... 

Later work by Farkas and Strohm [121], however, related the catalytic strength of an amine to its F1/2 value, the potential at the halfneutralization point in a potentiometric titration in ethyl acetate. In this analysis a high potential indicates low basicity. The F, y 2 value should be a better measure of the basic strength of the amine as a catalyst for the isocyanate/hydroxyl reaction than pK measures of base strength, since the pK value is obtained in aqueous media. The Fjy2 values do, indeed, correlate well with catalytic effect, and explain the unusual catalytic strength of triethylene diamine, as shown in Table 10. The rate data in this table are for the reaction between phenyl isocyanate and 2-ethyl-hexanol. 

Carpets emit a variety of VOCs depending upon their chemical compositions. SBR-backed carpets primarily emit 4-phenylcyclohexene (4-PCH), the chemical identified with new carpet odor, and styrene. PVC-backed carpets primarily emit formaldehyde, vinyl acetate, 1,2-propanediol, and 2-ethyl-l-hexanol. Carpets with a PU backing primarily emit butylated hydroxytoluene (BHT). Carpet emissions of VOCs are most pronounced immediately after a new carpet is laid, with emission rates falling off rapidly as a function of time, as depicted in Fig. 12.1. Even though emission rates fall off rapidly, sensitized individuals often continue to exhibit symptoms for long periods of time. 

Figure 5.4 GC-MS total ion current (TIC) chromatogram of a red Italian wine (Corvina) after HS- SPME automated aroma enrichment using a 1 cm CAR-PDMS-DVB fiber. 1. ethyl acetate, 2. ethanol, 3. isobutyl alcohol, 4. isoamyl acetate, 5. isoamyl alcohols, 6. ethyl hexanoate, 7. methyl heptanoate (I.S.), 8. linalyl ethylether, 9. 1-hexanol, 10. ethyl octanoate, 11. acetic acid, 12. geranyl ethylether, 13. linalool, 14. ethyl decanoate, 15. diethylsuccinate, 16. ethyl 9-decenoate, 17. 2-phenethyl acetate, 18. hexanoic acid, 19. 2-phenylethanol, 20. octanoic acid, 21. decanoic acid...

The model tests were carried out both iso-thermally (i.e. at constant temperature) and in temperature gradients (from warm to cold). Alcohols (e.g. ethanol, hexanol, octa-nol, decanol), aldehydes (e.g. decanal), ketones (e.g. diacetyl), acids (e.g. caproic acid), esters (e.g. ethyl acetate), terpenes (e.g. menthol, menthone, 6-pinene, limonene), amines (e.g. butyl amine), pyrazines and other classes of substances have been investigated as flavouring substances [6,9,11,13-18]. Fig. 5.6 shows the forma-... 

Solvent is chosen such that the compound of interest is neither excessively soluble nor insoluble. The common solvents include water, the short-chain alcohols (methanol to hexanol), halogenated solvents (chloroform and carbon tetrachloride), ketones such as acetone and methyl-isobutylketone, pyridine, 1,4-dioxane, ethyl acetate, diethyl ether, petroleum ether, hexane, and toluene. Solubility vanes tremendously with solvent. The solubility of naphthalene, for example, is approximately doubled going from methanol to ethanol, while the addition of water to either drastically reduces solubility (9). Thus, solvent selection is important, and solvent mixtures provide a convenient way of tailoring solubility to a required level. Any miscible pair of solvents is worth investigating, especially if compound solubility differs significantly between the two. 

Farnworth et al. (2001) found that in Mexican orange juice the concentrations of acetaldehyde and ethyl acetate were higher in unpasteurized juice. a-Pinene, p-myrcene, limonene, a-terpineol, 1-hexanol, 3-hexen-l-ol, and sabinene concentrations were higher in the unpasteurized juice than in the pasteurized juice. 

Ethyl-1-hexanol 2-Ethylhexan-1-ol. 5ee2-Ethylhexanol 2-Ethyl-1-hexanol acetate. See 2-Ethylhexyl acetate 2-Ethyl-1-hexanol ester with diphenyl phosphate. See Diphenyl oclyl phosphate... 

Ethyl-1-hexanol sulfate sodium salt See Sodium 2-ethylhexyl sulfate 2-Ethylhexanyl acetate. See 2-Ethylhexyl acetate... 

CAS 103-09-3 EINECS/ELINCS 203-079-1 Synonyms Acetic acid 2-ethylhexyl ester 2-Ethyl-1-hexanol acetate 2-Ethylhexanyl acetate 2-Ethyl-1-hexyl acetate p-Ethylhexyl acetate 2-Ethylhexyl ethanoate Classification Carboxylic acid ester Empirical C10H20O2 Formula CH,COOCH2CHC2HsC4H9... 

Organic aliphatic acids Methyl isobutyl ketone (MIBK) Ethyl acetate/cyclohexane Butyl acetate Diisopropyl ether 2-Ethyl hexanol... 

Ethyl-1-hexanol acetate. See 2-Ethyl hexyl acetate... 

Dimethyl phthalate 1,4-Dioxane Dipropylene glycol dimethyl ether Dipropylene glycol ethyl ether Erucamide Ethoxydiglycol Ethoxyethanol acetate Ethyl acetate 2-Ethyl-1-butanol Ethyl chloride Ethylene carbonate Ethylene chlorohydrin Ethylene glycol diacetate Ethylene glycol isopropyl ether Ethylene glycol propyl ether 2-Ethyl hexanol 2-Ethyl hexyl acetate Ethyl morpholine Furan Furfuryl alcohol Heptane 4-Heptanone 2-Hexanone Isoamyl acetate Isoamyl alcohol Isobutyl acetate Isocetyl salicylate Isooctyl alcohol Isophorone 2-lsopropoxy-1-propanol Isopropyl alcohol Isopropyl ether ... 

Our results showed that the flavour profile of peas was affected by market class, cultivar location, and crop year. The highest total volatile compound (TVC) was observed in cultivars from marrowfat-market class. Crops grown in Meath Park location had the highest TVC. Furthermore, different volatile compounds were identified in pea cultivars. In both crop years, cultivars from the green-market class had the highest mean values of esters and hydrocarbons, whereas the highest value of alcohols was observed for the marrowfat-market class, and the dun-market class had the highest mean values of ketones and pyrazine. 3-Methyl-butanol, 1-propanol, 2-ethyl-hexanol, 3-methyl-butanal, trichloromethane, 2-butanone, dimethyl sulfide, ethyl acetate and 2,3-diethyl-5-methyl pyrazine were the most abundant volatile compounds observed in the pea cultivars. 

Butyraldehyde is a reactant in the manufacture of n-butanol, 2-ethyl 1-hexanol, butylamines, and trimethylolpropane. It is used as an intermediate in the production of synthetic resins, rubber accelerators, solvents, and plasticizers. Reaction of n-butyraldehyde with polyvinyl alcohol yields polyvinyl butyral which is useful in safety glass, fabric coatings, and injection molding compositions. Isobutyraldehyde is used in the manufacture of isobutanol, neopentyl glycol, and isobutyl acetate. The isobutyraldehyde is an intermediate in the production of rubber antioxidants and accelerators, slow-release nitrogen fertilizers, and isobutyric acid. 

According to another method, ABA was determined by HPTLC on silica gel plates with fluorescent labeling. The mobile phase was composed of toluene-ethyl acetate-acetic acid (25 15 2) (97b). Sumilarv (pyriproxyfen), a new insecticide growth regulator, was studied by TLC. The enantiomers were separated on a cellulose coated layer. The best separation was achieved when cellulose tris(4-methylbenzoate) coated silica was the stationary phase and hexane-hexanol (9 1) the mobile phase (97c). 

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