ACETATO DE ETILO MSDS PDF
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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Patty’s Industrial Hygiene and Toxicology. Excessive amounts of ethyl acetate are considered a wine fault. Acetate esters Ethyl esters Flavors Ester solvents Commodity chemicals. These azeotropes are broken by pressure swing distillation or membrane distillation. Retrieved from ” https: This method is more cost effective than the esterification but is applied with surplus ethanol in a chemical plant.
From Wikipedia, the free aceetato. LC 50 median concentration. Ethyl acetate is synthesized in industry mainly via the classic Fischer esterification reaction of ethanol and acetic acid.
Views Read Edit View history. Overexposure to ethyl acetate may cause irritation of the eyes, nose, and throat. Ethyl acetate is the most common ester in winebeing the product of the most common volatile organic acid — acetic acidand the dw alcohol generated during the fermentation.
Due to these properties, it can be removed from a sample by heating in a hot water bath and providing ventilation with compressed air. In rare cases exposure may cause sensitization of the mucous membrane and eruptions of the skin.
Ethyl acetate – Wikipedia
LC Lo lowest published. Methyl formate Methyl acetate Methyl propionate Methyl butyrate Methyl pentanoate. The combined annual production in of Japan, North America, and Europe was abouttonnes. The irritant effect of ethyl acetate is weaker than that of propyl acetate or butyl acetate. Acetic acidEthanol. This reaction gives ethanol and sodium acetatewhich is unreactive toward ethanol:.
The reaction can be accelerated by acid catalysis and the equilibrium can be shifted to the right by removal of water. Ethyl acetate is rarely selected as a reaction solvent because it is prone to hydrolysis and transesterification.
LD 50 median dose.
Ethyl acetate | CH3COOC2H5 – PubChem
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.
Silicotungstic acid is used to manufacture ethyl acetate by the alkylation of acetic acid by ethylene: In the field of entomologyethyl acetate is an effective asphyxiant for use in insect collecting and study.
The copper may have its surface area increased by depositing it on zincpromoting the growth of snowflake -like fractal structures dendrites. The rate constant is 0. Catalytic technology for the sustainable society”. In other projects Wikimedia Commons.
It is also prepared in industry using the Tishchenko reactionby combining two equivalents of acetaldehyde in the presence of an alkoxide catalyst:. Severe overexposure may cause weakness, drowsiness, and unconsciousness. Traces of rare-earth and alkali metals are beneficial to the process.
Ethyl acetate is used primarily as a solvent and diluentbeing favored because of its low cost, low toxicity, and agreeable odor. Ethyl acetate can be hydrolyzed in acidic or basic conditions to regain acetic acid and ethanol. Given that the chemical is naturally present in many organisms, there is little risk of toxicity. Lethal dose or concentration LDLC:.
International Labour Office,p. Surface area can be again increased by deposition onto a zeolitetypically ZSM The aroma of ethyl acetate is most vivid in younger wines and contributes towards the general perception of “fruitiness” in the wine.
Refractive index n D. A specialized industrial route entails the catalytic dehydrogenation of ethanol. This page was last edited on 29 Novemberat In the laboratory, and usually for illustrative purposes only, ethyl esters are typically hydrolyzed in a two-step process starting with a stoichiometric amount of a strong base, such as sodium hydroxide.