isobutyl acetate


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isobutyl acetate

[¦ī·sō′byüd·əl ′as·ə‚tāt]
(organic chemistry)
C4H9OOCCH3 Colorless liquid with fruitlike aroma; soluble in alcohols, ether, and hydrocarbons, insoluble in water; boils at 116°C; used as a solvent for lacquer and nitrocellulose.
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Main types of butyl acetate are isobutyl acetate and n-butyl acetate.
Compounds with the highest concentrations included ethyl octanoate (383.0[micro]g [L.sup.-1]), isobutyl acetate (335.0[micro]g [L.sup.-1]), ethyl 3(E)-hexenoate (176.0[micro]g [L.sup.-1]), ethyl decanoate (116.0[micro]g [L.sup.-1]), hexyl acetate (106.3[micro]g [L.sup.-1]), and 2-phenylethyl acetate (100.l[micro]g [L.sup.-1]).
* Ethyl acetate, isobutyl acetate, isoamyl acetate and 2 phenethyl acetate.
EASTMAN Isobutyl Acetate : Offlist Price increase of $USD 0.050/LB ($USD 0.110/KG).
Model apple juice samples were prepared by the researchers who used three concentrations of sucrose and fructose, and two concentrations of glucose, with a fixed concentration of six characteristic apple aroma-flavor compounds, including isobutyl acetate, hexanal, butyl acetate, trans-2-hexenal, propyl butyrate and hexyl acetate.
Identification and quantification was based on external calibration with standard solutions of acetaldehyde, 2-pentanone, 2-butanone, ethylacetate (Fluka, Buchs SG, Switzerland); ethanol (Arcus, Oslo, Norway); 2-methyl-1-propanol, 2-methyl-1-butanol, 2-methyl-1-butanal, 3-methyl-1-butanol, 2-methyl-1-butanol, 2-methyl-1-propanol, 3-methyl-1-butanal, 3-methyl-1-butanol, 2-methyl-1-butanol, 2-methyl-1-propanal, diacetyl, 2-propanol, 1- butanol, 2-butanol, acetoin, iso-butylacetate, acetone, 2,3-pentanedione, ethylacetate, acetone, isobutyl acetate and ethyl butyrate (Merck KGaA, Darmstadt, Germany).
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In 1995, non-TRI solvents, including methyl amyl ketone (MAK), n-butyl acetate and isobutyl acetate, were substituted in place of the solvents in use at that time.
EASTMAN Isobutyl Acetate: Offlist Price increase of $USD 0.04/LB ($USD 0.09/KG) globally.
Stock isobutyl acetate (0.1 g) was weighed into 100 ml volumetric flask with cyclohexane.
EASTMAN ISOBUTYL ACETATE : Offlist Price increase of $USD 0.04/LB ($USD 0.09/KG) globally.