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306967 Sigma-Aldrich

Isopentyl acetate

anhydrous, ≥99%

Synonym: Acetic acid 3-methylbutyl ester, Isoamyl acetate

  • CAS Number 123-92-2

  • Linear Formula CH3COOCH2CH2CH(CH3)2

  • Molecular Weight 130.18

  •  Beilstein Registry Number 1744750

  •  EC Number 204-662-3

  •  MDL number MFCD00008946

  •  PubChem Substance ID 24858550

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Properties

Related Categories Anhydrous Solvents, Solvent Bottles, Solvent Packaging Options, Solvent by Application, Solvents,
grade   anhydrous
vapor density   4.5 (vs air)
vapor pressure   5 mmHg ( 25 °C)
assay   ≥99%
autoignition temp.   680 °F
expl. lim.   7.5 %
impurities   <0.005% water
evapn. residue   <0.0005%
refractive index   n20/D 1.4(lit.)
bp   142 °C/756 mmHg(lit.)
mp   −78 °C(lit.)
density   0.876 g/mL at 25 °C(lit.)

Description

Packaging

1, 2 L in Sure/Seal™

100 mL in Sure/Seal™

Application

Sting pheromone of the honeybee.1

Price and Availability

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analytical standard

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
Repeated exposure may cause skin dryness or cracking.
Risk Statements (Europe) 
Safety Statements (Europe) 
23-25
RIDADR 
UN 1104 3 / PGIII
WGK Germany 
1
RTECS 
NS9800000
Flash Point(F) 
77 °F
Flash Point(C) 
25 °C

Protocols & Articles

Articles

Determination of Water Content in Iso-Amyl acetate Using Karl Fischer Titration

Carboxylic acid esters give hardly any problems during the KF titration. They are mostly adequately soluble in methanol and the use of propanol or chloroform as solubilizer is only necessary in the c...
Keywords: Titrations

Peer-Reviewed Papers

References

Set your institution to view full text papers.

1. Aldrichimica Acta 16, 41, (1983)

Using promoter replacement and selection for loss of heterozygosity to generate an industrially applicable sake yeast strain that homozygously overproduces isoamyl acetate. Sahara H, Kotaka A, Kondo A, et al. J. Biosci. Bioeng. 108(5), 359-64, (2009)

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Metabolic engineering of the anaerobic central metabolic pathway in Escherichia coli for the simultaneous anaerobic production of isoamyl acetate and succinic acid. Dittrich CR, Bennett GN, and San KY Biotechnol. Prog. 25(5), 1304-9, (2009)

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[Olfactory functional magnetic resonance imaging with modified OEP-98C olfactometer and event-related design]. You H, Wang J, Liu JF, et al. Zhongguo Yi Xue Ke Xue Yuan Xue Bao. 31(2), 134-8, (2009)

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Performance of mice in discrimination of liquor odors: behavioral evidence for olfactory attention. Takiguchi N, Okuhara K, Kuroda A, et al. Chem. Senses 33(3), 283-90, (2008)

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Olfactory detection thresholds and pleasantness of a food-related and a non-food odour in hunger and satiety. Albrecht J, Schreder T, Kleemann AM, et al. Rhinology 47(2), 160-5, (2009)

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Aerobic production of isoamyl acetate by overexpression of the yeast alcohol acetyl-transferases AFT1 and AFT2 in Escherichia coli and using low-cost fermentation ingredients. Singh R, Vadlani PV, Harrison ML, et al. Bioprocess Biosyst. Eng. 31(4), 299-306, (2008)

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Purification and properties of Amycolatopsis mediterranei DSM 43304 lipase and its potential in flavour ester synthesis. Dheeman DS, Henehan GT, and Frías JM Bioresour. Technol. 102(3), 3373-9, (2011)

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Detection of neural activity in the brains of Japanese honeybee workers during the formation of a "hot defensive bee ball". Ugajin A, Kiya T, Kunieda T, et al. PLoS ONE 7(3), e32902, (2012)

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Lipase-catalyzed synthesis of isoamyl acetate in an ionic liquid/n-heptane two-phase system at the microreactor scale. Pohar A, Plazl I, and Žnidaršič-Plazl P Lab Chip 9(23), 3385-90, (2009)

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Production of flavor esters catalyzed by CALB-displaying Pichia pastoris whole-cells in a batch reactor. Jin Z, Ntwali J, Han SY, et al. J. Biotechnol. 159(1-2), 108-14, (2012)

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Behavioural and electrophysiological lateralization in a social (Apis mellifera) but not in a non-social (Osmia cornuta) species of bee. Anfora G, Frasnelli E, Maccagnani B, et al. Behav. Brain Res. 206(2), 236-9, (2010)

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Glycerol triacetate as solvent and acyl donor in the production of isoamyl acetate with Candida antarctica lipase B. Wolfson A, Atyya A, Dlugy C, et al. Bioprocess Biosyst. Eng. 33(3), 363-6, (2010)

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Olfactory performance of patients with anorexia nervosa and healthy subjects in hunger and satiety. Schreder T, Albrecht J, Kleemann AM, et al. Rhinology 46(3), 175-83, (2008)

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Deriving realistic source boundary conditions for a CFD simulation of concentrations in workroom air. Feigley CE, Do TH, Khan J, et al. Ann. Occup. Hyg. 55(4), 410-20, (2011)

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BioBuilding using banana-scented bacteria to teach synthetic biology. Dixon J and Kuldell N Meth. Enzymol. 497, 255-71, (2011)

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Beer volatile analysis: optimization of HS/SPME coupled to GC/MS/FID. Charry-Parra G, Dejesus-Echevarria M, and Perez FJ J. Food Sci. 76(2), C205-11, (2011)

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Kinetics of lipase catalyzed isoamyl acetate synthesis at high hydrostatic pressure in hexane. Eisenmenger MJ and Reyes-De-Corcuera JI Biotechnol. Lett. 32(9), 1287-91, (2010)

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A comparison of laboratory and pilot-scale fermentations in winemaking conditions. Casalta E, Aguera E, Picou C, et al. Appl. Microbiol. Biotechnol. 87(5), 1665-73, (2010)

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Nutritional status modulates behavioural and olfactory bulb Fos responses to isoamyl acetate or food odour in rats: roles of orexins and leptin. Prud'homme MJ, Lacroix MC, Badonnel K, et al. Neuroscience 162(4), 1287-98, (2009)

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Trigeminal perception is necessary to localize odors. Kleemann AM, Albrecht J, Schöpf V, et al. Physiol. Behav. 97(3-4), 401-5, (2009)

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Influence of the structure of cornstarch dispersions on kinetics of aroma release. Lafarge C, Bard MH, Breuvart A, et al. J. Food Sci. 73(2), S104-9, (2008)

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Isoamylacetate production by entrapped and covalently bound Candida rugosa and porcine pancreatic lipases. Ozyilmaz G and Yağız E Food Chem. 135(4), 2326-32, (2012)

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Applicability of Lactobacillus plantarum IMDO 788 as a starter culture to control vegetable fermentations. Wouters D, Grosu-Tudor S, Zamfir M, et al. J. Sci. Food Agric. 93(13), 3352-61, (2013)

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Exposure models for the prior distribution in bayesian decision analysis for occupational hygiene decision making. Lee EG, Kim SW, Feigley CE, et al. J. Occup. Environ. Hyg. 10(2), 97-108, (2013)

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Seasonal increase in olfactory receptor neurons of the Japanese toad, Bufo japonicus, is paralleled by an increase in olfactory sensitivity to isoamyl acetate. Nakazawa H, Ichikawa M, and Nagai T Chem. Senses 34(8), 667-78, (2009)

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Characterization and isolation of mutants producing increased amounts of isoamyl acetate derived from hygromycin B-resistant sake yeast. Inoue T, Iefuji H, and Katsumata H Biosci. Biotechnol. Biochem. 76(1), 60-6, (2012)

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Merck 14,5111

Beil. 2,IV,157

Aldrich MSDS 1, 1109:A / Arctander, 119 / Corp MSDS 1 (1), 2016:B / FT-IR 1 (1), 602:D / FT-IR 2 (1), 951:C / FT-NMR 1 (1), 902:B / Fenaroli / IR-Spectra (2), 320:G / IR-Spectra (3), 360:H / NMR-Reference 2 (1), 509:D / RegBook 1 (1), 685:I / RegBook 19 (1), 685:I / Sax 6, 1646 / Sigma FT-IR 1 (1), 1405:D / Structure Index 1, 103:C:6 / Vapor Phase 3, 609:C

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