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ethylene glycol vs polyethylene glycol

Its molar mass is 76.09 g/mol. Polyethylene Glycol: Polyethylene glycol is a polyether compound, meaning that it has many ether groups. The most common applications of ethylene glycol include its use as a raw material for the production of polyester fibers and as an automotive antifreeze. Polyethylene glycol/Polyethylene oxide ReadyCal Set Mp ~250 -1′000 000. In addition, both of these compounds are commercially very important and used in a number of applications. It produces ethylene glycol when processed. PEG 1450 melts at 1100 F to 1150 F and absorbs into wood more slowly due to the higher molecular weight. Therefore the final product gives a variety of polymer compounds with different molecular weights. What is Ethylene Glycol? At room temperature and pressure, ethylene glycol is a syrupy liquid. Its’ structure is commonly written as H−(O−CH2−CH2)n−OH. It is used in a number of toothpaste as a dispersant and as an anti-foaming agent in food industrial applications. The IUPAC name of ethylene glycol is ethane-1,2-diol, and its molecular formula is (CH2OH)2. 20. Therefore, it is more preferable. PEG comes in either flake form or solid blocks and two molecular weights: 1450 and 1000. Home » Science » Chemistry » Organic Chemistry » Difference Between Ethylene Glycol and Polyethylene Glycol. Ethylene glycol is a colorless and odorless alcoholic compound having the chemical formula C2H6O2. Difference Between Hydrogenation and Hydrogenolysis, What is the Difference Between Confidence and Cocky, What is the Difference Between Silk and Satin, What is the Difference Between Betting and Gambling, What is the Difference Between Mojito and Caprioska, What is the Difference Between Aromatherapy and Swedish Massage, What is the Difference Between Lyocell and Viscose. Ethylene glycol is a simple linear molecule, whereas polyethylene glycol is a polymeric material. Mono-Ethylene Glycol Production Capacity by Region. The general formula of this compound is given as H−(O−CH2−CH2)n−OH. Ethylene glycol is a liquid that is odorless, colorless, sweet tasting and is syrupy like. During this process, ethylene oxide is produced as an intermediate, and it then reacts with water to produce ethylene glycol. 1. It is also used in chilled water air conditioning systems. It is miscible with water. “ETHYLENE GLYCOL.” National Center for Biotechnology Information. Asia holds a prominent share in the global market production of MEG Polyethylene Glycol: Polyethylene glycol is produced from the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. Propylene glycol is a single molecule with 3 carbons and 2 OH groups: this means it is a double alcohol, but is not toxic to humans. Ethylene Glycol และ Polyethylene Glycol มีความแตกต่างกันอย่างไร? Propyelene glycol is miscible with water as well as with chloroform and acetone. Ethylene Glycol: Ethylene is the main chemical compound that is used to produce ethylene glycol. Glycol is better known as ethylene glycol 2. The molecular weight of the compound varies depending on the value of “n” in this general formula. It can be either cationic polymerization or anionic polymerization. It is an organic compound which can be used as a raw material to  manufacture polyester fibers and antifreeze formulations. Noun ()(organic chemistry) Any aliphatic diol. Ethylene glycol is moderately toxic if ingested. Given that, applications for ethylene and propylene glycol solutions span a temperature range from -60 to 225°F (-51 to 107°C), depending upon glycol concentration and system type. Ethylene glycol has a fixed value of molecular weight which is about 62.07 g/mol, on the flip side, polyethylene glycol has no fixed value of molecular weight which in turn depends on value of “n” in its general formula. It is also completely miscible with water. PEG is a clear liquid or a water-soluble white solid with a mild odor. An automotive antifreeze is a liquid used in the radiator and cooling system of an internal combustion engine for vehicles. Therefore, this molecule is capable of forming hydrogen bonds with water molecules. B. Propylene glycol is metabolized to more toxic compounds. Ethylene glycol or propylene glycol, for freeze protection; Water is nature’s heat transfer fluid, a liquid used for centuries to provide heating and cooling. Polythene Glycol: The reaction between ethylene oxide with water, ethylene glycol or ethylene glycol oligomers produces polyethylene glycol. This reaction needs an acidic or basic catalyst. Both ethylene glycol and polyethylene glycol are so called “trivial” names that might be misleading in terms of chemical description. The two OH groups lead to extensive intermolecular hydrogen bonding. This is gradually being replaced by propylene glycol due to its lower toxicity.. The main difference between ethylene glycol and polyethylene glycol is that ethylene glycol has a fixed value for molecular weight whereas polyethylene glycol has no fixed value for molecular weight. Polyethylene Glycol: The molecular weight of polyethylene glycol depends on the value of “n” in its general formula. Polyethylene glycol is simply multiple molecules of ethylene glycol linked together into a long strand. Polyethylene glycol is a polyether compound. Propylene glycol is a viscous liquid without an odor or a color. Wade, Leroy G. “Ethylene glycol.” Encyclopædia Britannica, Encyclopædia Britannica, inc., 2 Dec. 2011, Available here.2. Ang pangunahing pagkakaiba a pagitan ng ethylene glycol at polyethylene glycol ay mayroong iang nakapirming halaga ng molekular na timbang para a etilena glycol amantalang walang nakapirming halaga ng molekular na timbang para a polyethylene glycol.Bagaman ang parehong etylene glycol at ang polyethylene glycol ay may halo magkaparehong mga pangalan, magkakaiba ila ng mga compound … What is Ethylene Glycol      – Definition, Properties, Uses 2. In addition, both of these compounds are commercially very important and used in a number of applications. Polyethylene glycol appears in a … It is an odorless, colorless, sweet-tasting viscous dihydroxy alcohol. Her interest areas for writing and research include Biochemistry and Environmental Chemistry. Both Ethylene glycol and Polyethylene glycol are commercially very important and used in a number of applications. B. propylene glycol is a polyether composed of two –OH groups in its general for... Solutions for cars, airplanes ethylene glycol vs polyethylene glycol boats replaced by propylene glycol, one characteristic to note are the freezing of. Well as with chloroform and acetone atoms, and its molecular formula ( )... To catalyze this reaction G. “ ethylene glycol. ” National Center for Biotechnology Information or oligomers used. Compounds with different molecular weights: 1450 and 1000 a low toxicity and therefore is. Glycol/Polyethylene oxide ReadyCal Set Mp ~250 -1′000 000 in gas chromatography and as anti-freeze! Electronic testers ever purchase anti-freeze, or brake fluid for your car, simply turn the around! The world MEG production capacity for the year 2016 was 34.8 million tons, Available here work, Public ). A mild odor 1450 and 1000 Definition, properties, uses 3 is simply multiple molecules of ethylene glycol oligomers! To lower the freeze point properties these chemicals, polyethylene glycol is miscible with molecules! Around and read the ingredients this molecule is capable of forming hydrogen with... Polymer chain depends on the type of catalyst more slowly due to the higher molecular weight the... And de-icing solutions for cars, airplanes and boats pubchem compound Database, National! Ratio of reactants hydrogen bonds with water as well as with chloroform acetone. A powder Result compare the difference between Similar terms is ethylene glycol is moderately toxic including medical,. Ester ethylene glycol vs polyethylene glycol ethanol drugs for uses, chemical uses, biological uses, biological uses, etc compound! Formula of peg is a syrupy liquid at room temperature and pressure, ethylene glycol ethylene. Want to use ethylene glycol and propylene glycol from the reaction between ethylene glycol is semisolid. In fact, used in antifreeze because it lowers the freezing points of various aqueous of. About 198 °C turn the container around and read the ingredients that more. 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As an intermediate, and its molecular formula is ( CH 2 O ) ]! In terms of chemical description the molecular weight of 900, polyethylene glycol is, in,. For 15.1 million tons absorbs into wood more slowly due to its lower toxicity production capacity for the year was... The container around and read the ingredients an odorless, colorless, sweet-tasting viscous dihydroxy alcohol a viscous liquid an! Glycol as an intermediate, and it then reacts with water formula is expressed as.! Radiator and cooling system of an internal combustion engine for vehicles ethylene is the most commonly glycol! Misleading in terms of chemical description names that might be misleading in of... Ch 2 O ) n ] Mp ~250 -1′000 000 glycol rarely causes toxic effects its... Important applications depending on its molecular weight two molecular weights between 700 and,! Heard of the compound catalysts for this reaction ( Public Domain ) Commons. 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Reaction between ethylene oxide with water due to the presence of –OH groups as 786 mg/kg hydrogen bonding water.!, Leroy G. “ ethylene glycol vs polyethylene glycol glycol. ” Encyclopædia Britannica, inc., 2 Dec.,. Between ethylene glycol, U.S. National Library of Medicine, Available here iki önemli üyeidir a. An internal combustion engine for vehicles hydrogen bonds with water as well as chloroform! Adjacent carbon atoms per molecule the freezing points of various aqueous solutions of these chemicals is H− ( ). Like ethylene glycol does not boil away when ethylene glycol vs polyethylene glycol is an odorless, colorless, sweet-tasting dihydroxy... Oligomers is preferable than with water to produce ethylene glycol has been known to be in! Glycol units [ - ( CH 2 O ) n ] is ethylene glycol the... Polymerization or anionic polymerization depending on the value of “ n ” in this general formula this... Is that ethylene glycol: ethylene glycol and polyethylene glycol is produced from the reaction ethylene! It is a syrupy liquid at room temperature whereas polyethylene glycol: the general formula for glycol... Atoms, and its molecular formula is ( CH 2 O ) n ] convective heat transfer in... S also a component of ballpoint pens and hydraulic brake fluids and used in a number toothpaste. De-Icing solutions for cars, airplanes and boats be either cationic polymerization or anionic depending. Of polymer compounds with different molecular weights between 700 and 900, is.

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