Ethyl benzoate
Ethyl benzoate is an impact ovipositional attractant of the oriental fruit fly, Dacus dorsalis Hendel.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Antioxidants (Basel).2020, 9(2):E120
United States Patent Application2020, 20200038363
Food Chem.2019, 275:746-753
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Nat Chem Biol.2018, 14(8):760-763
Nutrients.2022, 14(23):4997.
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Journal of Molecular Structure: THEOCHEM, 1998, 432(3):247-255.
Internal rotation barriers: ab initio calculations on substituted ethyl benzoates and benzoic acids as models for polyester flexibility.[Reference:
WebLink]
METHODS AND RESULTS:
The rotational barriers of several ortho and para substituted Ethyl benzoates (EB) and benzoic acids (BA), used as models for internal rotation in PET polymers, have been calculated at the SCF and MP2 levels. Since there were no experimental data available on internal rotations in EB and BA, barriers to rotation in benzaldehyde and three similar compounds were calculated as benchmarks and compared with experimental data. Calculated barriers in the benzaldehydes were within 1 kcal/mol of the experimental values. The tentative conclusion from the rotation barrier results on model compounds is that PET-type polymers made from high-rotation-barrier monomers like ortho-hydroxy-terephthalic acid should have larger internal barriers to rotation than unsubstituted PET, leading to more rigid polymers with higher glass transition temperatures, Tg, and an altered degree of crystallinity. We found an unexpectedly low barrier to rotation of 2.3 kcal/mol for ortho X-CH3, compared to about 5 kcal/ mol for ortho X-H.
CONCLUSIONS:
Based on these model studies, we would expect that a PET-type polymer made from ortho-methyl substituted terephthalate would be more flexible, would have a lower glass transition temperature and different degree of crystallinity with accompanying change in void space.
Chinese journal of entomology, 1990.
Ethyl benzoate: an impact ovipositional attractant of the oriental fruit fly, Dacus dorsalis Hendel.[Reference:
WebLink]
METHODS AND RESULTS:
Analysis and bioassays of extracts of guava fruits using GC and GC/MS showed that the oviposition attractant of Dacus dorsalis [Bactrocera dorsalis] consisted of several components, including Ethyl benzoate.
