Synonyms: Ethyl acetic ester, Ethyl ester, Ethyl ethanoate, Acetoxyethane. Other Languages: De: Ethylacetat. Es: Acetato de etilo. Ethyl acetate for liquid chromatography LiChrosolv®. CAS , EC Number , chemical formula CH₃COOC₂H₅. – Find MSDS or SDS, a COA. Details of the supplier of the safety data sheet Wordt ervan verdacht de vruchtbaarheid te schaden. STOT RE acetato de etilo.
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Given that the chemical is naturally present in many organisms, there is little risk of toxicity. In the laboratory, and usually for illustrative purposes only, ethyl esters are typically hydrolyzed in a two-step process ve with a stoichiometric amount of a strong base, such as sodium hydroxide. Ethyl acetate is the ester of ethanol and acetic acid ; it is manufactured on a large scale for use as a solvent.
The irritant effect of ethyl acetate is weaker than that of propyl acetate or butyl acetate. Views Read Edit View history.
In perfumes, it evaporates quickly, leaving only the scent of the perfume on the skin. Traces of rare-earth and alkali metals are beneficial to the process. Byproducts of the dehydrogenation include diethyl etherwhich is thought to arise primarily due to aluminum sites in the catalyst, acetaldehyde and its aldol products, higher esters, and ketones.
From Wikipedia, mmsds free encyclopedia. Refractive index n D. The Oxford Companion to Wine 3rd ed. In the field of entomologyethyl acetate is an effective asphyxiant for use in insect collecting and study.
The aceyato constant is 0.
Silicotungstic acid is used to manufacture ethyl acetate by the alkylation of acetic acid by ethylene: Severe overexposure may cause weakness, drowsiness, and unconsciousness. Patty’s Industrial Hygiene and Toxicology.
Ethyl acetate is rarely selected as a reaction solvent because it is prone to hydrolysis and transesterification. This colorless liquid has a characteristic sweet smell similar to pear drops and is used in gluesnail polish removersdecaffeinating tea and coffee.
Exposure to oxygen can exacerbate the fault due to the oxidation of ethanol to acetaldehydewhich leaves the wine with a sharp vinegar -like taste. Separations of the byproducts are complicated by the fact that ethanol forms an azeotrope with water, as does ethyl acetate with ethanol and water, and methyl ethyl ketone MEK, which forms from 2-butanol with both acetat and ethyl acetate.
In the laboratory, mixtures containing ethyl acetate are commonly used in column chromatography and extractions. Acetate esters Ethyl esters Flavors Ester solvents Commodity chemicals. LC 50 median concentration.
Ethyl acetate – Wikipedia
Retrieved from ” https: The use of an acid catalyst accelerates the hydrolysis, which is subject to the Fischer equilibrium mentioned above. LD 50 median dose. Coffee beans and tea leaves are decaffeinated with this solvent. The combined annual production in of Japan, North America, and Europe was abouttonnes. Ethyl acetate can be hydrolyzed in acidic or basic conditions to regain fe acid and ethanol. The acetatl can be accelerated by acid catalysis and the equilibrium can be shifted to the right by removal of water.
S16S26S Propyl acetate Propyl propanoate Isopropyl acetate Isopropyl palmitate. This reaction gives ethanol and sodium acetatewhich is unreactive toward ethanol:. Acetic ester Acetic ether Ethyl ester of acetic acid.
Ethyl acetate | CH3COOC2H5 – PubChem
Ethyl acetate is synthesized in industry mainly via the classic Fischer esterification reaction of ethanol and acetic acid. The copper may have its surface area increased by depositing it on zincpromoting the growth of snowflake -like fractal structures dendrites. This method is more cost effective than the esterification but is applied with surplus ethanol in a chemical plant.
Because it is not hygroscopicethyl acetate also keeps the xe soft enough to allow proper mounting suitable for a collection. It is also prepared in industry using the Tishchenko reactionby combining two equivalents of acetaldehyde acetatp the presence of an alkoxide catalyst:. Other names Acetic ester Acetic ether Ethyl ester of acetic acid. Acetic acidEthanol.
LC Lo lowest published. Ethyl acetate is the most common ester in winebeing the product of the most common volatile organic acid — acetic acidand the ethyl alcohol generated during the fermentation.
Catalytic technology for the sustainable society”.