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Ethyl acetate etoac

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Ethyl acetate (EtOAc) is a colorless, volatile organic solvent commonly used in scientific and industrial applications. It is a clear, flammable liquid with a characteristic sweet, fruity odor. EtOAc is widely used as a solvent, extraction agent, and reagent in various laboratory procedures and processes.

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Lab products found in correlation

Methanol, by Thermo Fisher Scientific (2 mentions) Dichloromethane dcm, by Thermo Fisher Scientific (2 mentions) Formic acid, by Thermo Fisher Scientific (2 mentions) Tin 2 2 ethylhexanoate sn oct 2, by Thermo Fisher Scientific (1 mentions) Levulinic acid, by Merck Group (1 mentions) Tin 2 2 ethylhexanoate sn oct 2, by Merck Group (1 mentions) Polylactide, by NatureWorks (1 mentions) Chloroform d, by Cambridge Isotopes (1 mentions) Dichloromethane, by Thermo Fisher Scientific (1 mentions) L lactide, by Merck Group (1 mentions) Fetal bovine serum (fbs), by Omega Scientific (1 mentions) Indocyanine green, by Merck Group (1 mentions) Carbonyldiimidazole, by Merck Group (1 mentions) Ir 780 iodide, by Merck Group (1 mentions) Sodium sulfate, by Merck Group (1 mentions) 2 methoxypropene, by Merck Group (1 mentions) 4 hydroxymethyl phenylboronic acid pinacol ester, by Merck Group (1 mentions) 4 dimethylaminopyridine dmap, by Merck Group (1 mentions) Dimethyl sulfoxide (dmso), by Merck Group (1 mentions) Triethylamine, by Merck Group (1 mentions)

Spelling variants of this product

Ethyl acetate (418 citations) EtOAc (10 citations) Ethyl acetate (EtOAc) (HPLC-grade, (2 citations) Ethyl acetate (EtOAc) (HPLC grade 99.5+ %) (2 citations)

7 protocols using ethyl acetate etoac

1

Synthesis of 5-Benzyloxy Trimethylene Carbonate

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Example 1

Materials

5-benzyloxy trimethylene carbonate (BTMC) was obtained from Obiter Research LLC, USA, and trimethylene carbonate (TMC) was obtained from Leapchem, Hangzhou, China. Both were used as received. Palladium on carbon (Pd/C) (10 wt. % loading (dry basis)), palladium hydroxide on carbon (Pd(OH)2/C) (20 wt. % loading (dry basis)), dimethyl sulfoxide-d6 (DMSO-d6), toluene (extra dry with molecular sieves) were from Acros, USA. Tin(II) 2-ethylhexanoate (Sn(Oct)2) (96% purity) was purchased from Alfa Aesar (Ward Hill, Mass., USA) and used as received. Tetrahydrofuran (THF) (high-performance liquid chromatography (HPLC) grade), methanol, ethyl acetate (EtOAc) and dichloromethane (DCM) were from Fisher Scientific, Canada, were used as received. THF, EtOAc and DCM were dried over activated 3 Å molecular sieves. Hydrogen gas (H2) (99.99% purity) was from Linde Canada Ltd., Ontario, Canada.

US11197931B2. Liquid injectable copolymer (2021-12-14). Queen's University at Kingston [CA]. Inventors: Sara Mohajeri [CA], Brian G. Amsden [CA], Fei Chen [CA].
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2

Analytical Extraction and Quantification

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Ethyl Acetate (EtOAc) and sodium chloride (NaCl), certified ACS reagents, ≥99.5%, used in all the experimental work were obtained from Fisher Scientific (Pittsburgh, PA, USA). Tetrahydrofuran (THF), HPLC grade was provided by ChemLab (Eernegem, Belgium). Saturated alkane standards C8–C20 and C21–C40 in hexane were provided by Sigma-Aldrich (St. Louis, MO, USA).
Passa K., Simal C., Tsormpatsidis E., Papasotiropoulos V, & Lamari F.N. (2023). Monitoring of Volatile Organic Compounds in Strawberry Genotypes over the Harvest Period. Plants, 12(9), 1881.
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3

Synthesis and Characterization of Plasticizer Candidates

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1,4-Butanediol (BTD, 99%, Riedel-de Haën), d-isosorbide (ISB, 98%, Sigma-Aldrich), levulinic acid (LeA,
97%, Sigma-Aldrich), l-lactide (98%, Sigma-Aldrich), p-toluene sulfonic acid monohydrate (PTSA·H2O, 98.5%, Sigma-Aldrich), and tin(II) 2-ethylhexanoate (Sn(Oct)2, 92.5%, Sigma-Aldrich) were utilized for the synthesis of
plasticizer candidates. Ethyl acetate (EtOAc, analytical reagent grade,
Fisher Scientific) and potassium carbonate (analytical reagent grade,
Arcos) were employed in purifying and extracting the plasticizer candidates.
Dichloromethane (HPLC grade, Fisher Scientific) and polylactide (5200D,
Nature Works, Mn = 112,000 g/mol, Đ = 1.9) were used in solution casting to obtain neat
and blended PLA films. Chloroform-d (99.8%, Cambridge
Isotope Laboratories) and methanol (hypergrade for LC–MS, Merck)
were used as solvents in nuclear magnetic resonance (NMR) and electrospray
ionization mass spectrometry (ESI-MS) analyses, respectively. Water
(hypergrade for LC–MS, Merck) was utilized in the hydrolytic
aging experiments. Most chemicals were used as received, except BTD
and Sn(Oct)2, which were preserved with the activated molecular
sieves and l-lactide that was recrystallized in toluene twice
before use.
Xuan W., Odelius K, & Hakkarainen M. (2022). Tailoring Oligomeric Plasticizers for Polylactide through Structural Control. ACS Omega, 7(16), 14305-14316.
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4

Multifunctional Fluorescent Nanoparticles

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Dextran (9-11 kDa), poly(lactic-co-glycolic acid) (PLGA, ratio: 50:50; Mw: 7-17 kDa; alkyl ester terminated), IR-780 iodide (98%), indocyanine green (ICG, USP reference standard), 2-methoxypropene (97%), pyridinium p-toluenesulfonate (99%), 4-(Hydroxymethyl)phenylboronic acid pinacol ester (97%), sodium sulfate (99%), 4-(dimethylamino)pyridine (DMAP), carbonyldiimidazole (≥97%), magnesium sulfate (≥99.5%), and triethylamine (≥99%), were purchased from Sigma Aldrich. Pluronic® F-127 (poloxamer 407, 13 kDa) was purchased from O-BASF. Ovalbumin Alexa Fluor® 594 conjugate (OVA-AF594) and bovine serum albumin fluorescein conjugate (BSA-FITC) were purchased from Life Technologies. Fetal bovine serum (FBS) was purchased from Omega Scientific. Chloroform (CHCl3, 99.8%, EMD), acetone (Fisher Scientific), dimethyl sulfoxide (DMSO, 99%, Aldrich), tetrahydrofuran (THF, Aldrich), ethyl acetate (EtOAc, Fisher Scientific), dichloromethane (DCM, Fisher Scientific) and Dulbecco's Phosphate-Buffered Saline (DPBS, 1×, Life Technologies) were used without further purification. De-ionized water (DI H2O) was purified from a Millipore system (18.2 MΩ).
Viger M.L., Collet G., Lux J., Huu V.A., Guma M., Foucault-Collet A., Olejniczak J., Joshi-Barr S., Firestein G.S, & Almutairi A. (2017). Distinct ON/OFF fluorescence signals from dual-responsive activatable nanoprobes allows detection of inflammation with improved contrast. Biomaterials, 133, 119-131.
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5

Phytochemical Extraction and Purification

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DHM, isoquercetin, and ascorbic acid were obtained from Sigma-Aldridge (St. Louis, MO, USA). Formic acid, acetonitrile (ACN), methanol (MeOH), hydrochloric acid (HCl) and ethyl acetate (EtOAc) were obtained from Fisher Scientific (Pittsburgh, PA, USA), and Pierce™ LC-MS water from Thermo Fisher Scientific (Waltham, MA, USA). Synthetic precursors, including 3,4-dihydroxy-5-methoxybenzaldehyde, 3,4,5-trihydroxybenzaldehyde and 3,5-benzyloxybenzaldehyde were purchased from Combi-Blocks (San Diego, CA, USA). All synthetic precursors and natural products were ≥95% pure.
Carry E., Kshatriya D., Silva J., Davies D.L., Yuan B., Wu Q., Patel H., Park E.R., Gilleran J., Hao L., Roberge J., Bello N.T, & Simon J.E. (2021). Identification of Dihydromyricetin and Metabolites in Serum and Brain Associated with Acute Anti-Ethanol Intoxicating Effects in Mice. International Journal of Molecular Sciences, 22(14), 7460.
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6

Water Filtration and Extraction Protocol

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Whatman® glass microfiber filters, GF/F and GF/D, sizes 47 mm or 150 mm, were used for water filtration for small and large volume water samples, respectively, and were purchased from Sigma Aldrich (St. Louis, MO, USA). Oasis MAX and MCX, 6 mL cartridges (500 mg Sorbent per Cartridge, 60 μm particle size) were used in the extraction of all water samples and were purchased from Waters Corporation (Milford, MA, USA). QuEChERS (Agilent Technologies, Santa Clara, CA, USA) extraction and dispersive solid phase extraction (dSPE) salts and kits, used to process all sediment samples for LC-MS/MS analysis, were purchased from Agilent Technologies (Santa Clara, CA, USA). Acetonitrile and formic acid (FA), used to make the LC-MS/MS mobile phases, were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Other bulk solvents used for analysis and supply preparation included methanol (MeOH), acetone, and ethyl acetate (EtOAc) were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Milli-Q Type-1 water (MQW) was used to prepare LC-MS/MS mobile phase (Milli-Q Direct, EMD Millipore, Billerica, MA, USA).
Foster G., Leahigh A, & Huff T. (2022). Surface Water Processes Influencing Alterations in Pharmaceutical Chemical Composition following Wastewater Discharge into a Freshwater Estuary. Toxics, 10(11), 702.
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7

Sunscreen Formulation and Characterization

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PLA (Mn = 11–12 kDa) was obtained from Lactel Absorbable Polymers. 1,1,1‐tris(hydroxymethyl)propane, potassium methoxide, 4‐dimethylaminopyridine (DMAP), N,Nʹ‐diisopropylcarbodiimide (DIC), dimethylformamide (DMF), diethyl ether (ether), and PO, and poly(l‐lysine) (PLL) were obtained from Sigma‐Aldrich. Glycidol, octinoxate, ethyl acetate (EtOAc), dimethyl sulfoxide (DMSO), dichloromethane (DCM), acetonitrile (ACN), acetone, methanol, deionized water, trifluoroacetic acid (TFA), phosphate‐buffered saline (PBS), DiIC18(5) solid (DiD), and dihydrorhodamine 123 (DHR123) were purchased from Thermo Fisher Scientific. Eusolex‐9020 and ‐OCR were obtained from EMD Millipore. Sunscreen purity was confirmed by gas chromatography mass spectrometry and high‐performance liquid chromatography (HPLC) analysis against secondary standards from Aldrich. VITRO‐SKIN® was obtained from IMS, Inc., and HelioPlates HD6 polymethylmethacrylate (PMMA) plates from Labsphere. Aldehyde quantification assay (ab138882) was purchased from Abcam. Polymers HPG and PLA‐HPG were prepared using literature methods.41
Suh H., Lewis J., Fong L., Ramseier J.Y., Carlson K., Peng Z., Yin E.S., Saltzman W.M, & Girardi M. (2018). Biodegradable bioadhesive nanoparticle incorporation of broad‐spectrum organic sunscreen agents. Bioengineering & Translational Medicine, 4(1), 129-140.
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