1、乙酸乙酯_百度百科
乙酸乙酯（ethyl acetate），又称醋酸乙酯，是一种有机化合物，化学式为C4H8O2，是一种具有官能团-COOR的酯类（碳与氧之间是双键），能发生醇解、氨解、酯交换、还原等一般酯的共同反应，主要用作溶剂、食用香料、清洗去油剂。
2、Extractive distillation of ethyl acetate
The present study investigates the performance and feasibility of conventional solvent (glycerol) and choline chloride-glycerol based deep eutectic solvent (DES) as entrainers for the separation of ethyl acetate-ethanol-water ternary mixture through ED.
3、Aldrich Polymer Products Applicaton & Reference Information
Various applications require the selection of a polymer-sol-vent or polymer-plasticizer system. Dissolving a polymer is unlike dissolving low molecular weight compounds because of the vastly different dimensions of solvent and polymer mol-ecules. Dissolution is often a slow process.
4、Evolutional Design and Control of the Equilibrium
Considering recent phenomenal advancement of membrane technology, this study raises a RD–pervaporation (PV) hybrid configuration for producing high purity EtAc with further decreased energy consumption.
Tetrachloroethylene anhydrous, = 99 127
Tetrachloroethylene (perchloroethylene, PCE), is a chlorinated ethylene compound commonly used as a dry cleaning and degreasing solvent. It shows IR transparency as it has no C–H bonds making it an ideal solvent for IR spectroscopy.
Ethyl Acetate – Acetic Anhydride, Tetrachloroethylene, Acetone
In the lab, ethyl acetate is a universal solvent for column and thin-layer chromatography. Ethyl acetate is present in alcoholic drinks, cereal crops, radishes, fruit juices, beer, wine, and spirits. It has a specific gravity of 0.933 and a flash point of -8° C (closed cup) and is highly flammable.
Energy, economic and environmental evaluations for the separation of
In this work, triple column pressure-swing distillation process with and without heat integration and hybrid processes combining extractive distillation and pervaporation are proposed to separate a mixture of ethyl acetate/ethanol/water.
Anaerobic Biodegradation of Tetrachloroethylene with Acetic Acid as
A series of batch-type experiments with acetate acid as the primary substrate were performed using enrichment cultures developed from the anaerobic sludge to investigate the effect of acetate acid on tetrachloroethylene (PCE) biodegradation.
Tetrachloroethylene
Tetrachloroethylene的搜索结果提供关于Tetrachloroethylene的性质,化学式,分子式,比重,密度以及沸点,熔点,MSDS,用途,作用,毒性,价格,生产厂家，上游原料,下游产品
Reductive dechlorination of tetrachloroethene by a mixed bacterial
We hypothesized that ethyl lactate, a "green" solvent, could serve both as a NAPL extraction solvent and an electron donor for reductive dechlorination of residual chloroethene.
In the vast tapestry of the chemical world, ethyl acetate and tetrachloroethylene stand out as two compounds with distinct properties and roles, collectively forming a complex and refined network of chemical reactions. Not only do they play pivotal roles in industrial applications, but they also demonstrate irreplaceable value in scientific research. This article aims to delve into the properties, uses, and significance of these two compounds in modern technological development.
Ethyl acetate is a colorless, transparent liquid with a distinctive aromatic odor. Its molecular formula is C₄H₈O₂, synthesized through the reaction of acetaldehyde and acetic acid. This compound is widely utilized in organic synthesis, particularly in the preparation of certain pharmaceutical precursors and fragrances. Due to its stability and resistance to decomposition, ethyl acetate is an ideal solvent in industrial production processes.
Tetrachloroethylene, on the other hand, is a colorless, oily liquid with a strong, irritating odor. Its molecular formula is C₂Cl₄, produced via the reaction of chloroform and formaldehyde. Despite its high volatility and toxicity, which restrict its use to specific conditions, tetrachloroethylene remains indispensable in niche industrial applications, such as a solvent and cleaning agent.
In industrial settings, the applications of ethyl acetate and tetrachloroethylene are particularly prominent. Ethyl acetate is commonly employed as a solvent for dissolving and purifying organic compounds, especially in pharmaceuticals and fine chemicals. Its high boiling point and low volatility allow it to maintain purity during heating processes. Additionally, its excellent solvating capabilities enable it to dissolve a variety of organic substances, including water-insoluble compounds.
Tetrachloroethylene, with its high polarity, serves as an exceptional solvent for dissolving and extracting organic compounds. In laboratories, it is frequently used to extract and analyze organic components in biological samples. due to its toxicity and flammability, its usage is strictly controlled. Industrially, tetrachloroethylene is primarily utilized in manufacturing plastics, adhesives, and other chemical products.
In scientific research, the roles of ethyl acetate and tetrachloroethylene are equally significant. As a common intermediate in organic synthesis, ethyl acetate is used to produce various drugs, fragrances, and dyes. Its reactivity allows it to undergo addition, elimination, and other reactions with multiple reagents, yielding compounds with specific properties.
Tetrachloroethylene’s applications in organic synthesis are broader. Besides serving as a solvent, it is a critical raw material for producing high-performance polymers. Through reactions involving tetrachloroethylene, scientists can synthesize materials with specialized properties, which hold vast potential in fields such as electronics, aerospace, and automotive industries.
Despite their potential hazards, ethyl acetate and tetrachloroethylene remain integral to the chemical industry when properly controlled. Advances in technology have deepened research and application efforts to discover safer, more efficient alternatives or improve existing methods to reduce environmental impact.
Future research will likely explore new uses and applications for these compounds. For instance, refining synthesis methods or introducing novel catalysts may lead to more eco-friendly and efficient production pathways. Meanwhile, safety concerns associated with these compounds will continue to drive innovation and risk mitigation.
ethyl acetate and tetrachloroethylene are two cornerstone compounds in the chemical world, with irreplaceable roles in industrial production, scientific research, and everyday life. Through rigorous study and application, humanity can harness their benefits while minimizing risks, ultimately contributing to greater societal progress.
