It is also used in chilled water air conditioning systems. Depending on its molecular weight, polyethylene glycol may have different appearances. It can be either cationic polymerization or anionic polymerization. 1. 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. Polythene Glycol: The reaction between ethylene oxide with water, ethylene glycol or ethylene glycol oligomers produces polyethylene glycol. It has many industrial applications; it is used as an antifreeze coolant in hydraulic fluids and in the manufacturing of low-freezing dynamites and resins. This reaction needs an acidic or basic catalyst. Polyethylene glycol has many uses including medical uses, chemical uses, biological uses, industrial uses, etc. There are many nasty ingredients out there, but in this post I want to touch on two that I find particularly bad: Propylene Glycol and Polyethylene Glycol. In addition, both of these compounds are commercially very important and used in a number of applications. Polyethylene glycol/Polyethylene oxide ReadyCal Set Mp ~250 -1′000 000. What is the Difference Between Ethylene Glycol and Polyethylene Glycol      – Comparison of Key Differences, Key Terms: Ethylene Glycol, Hydrogen Bonds, Polydispersity, Polyethylene Glycol, Polymerization. It is a viscous liquid. The molecular weight of the compound varies depending on the value of “n” in this general formula. Propyelene glycol is miscible with water as well as with chloroform and acetone. PEG 1450 melts at 1100 F to 1150 F and absorbs into wood more slowly due to the higher molecular weight. Boiling point of propylene glycol is 188.2 °C. It is a synthetic liquid used to make antifreeze and de-icing solutions for cars, airplanes and boats. Polyethylene glycol is a polyether compound. Polyethylene glycol is a polyether composed of repeated ethylene glycol units [-(CH 2 CH 2 O) n]. 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 … I want to use ethylene glycol or propylene glycol as an anti-freeze. Ethylene Glycol: Ethylene glycol is mainly used in antifreeze formulations and as a raw material in the manufacturing of polyesters such as polyethylene terephthalate (PET) in plastic industry. Although they have nearly similar names, polyethylene glycol and ethylene glycol are very different compounds depending on their chemical structures and general properties. Both acidic and basic catalysts are used to catalyze this reaction. All rights reserved. The two –OH groups are attached to the adjacent carbon atoms. Polyethylene glycol is simply multiple molecules of ethylene glycol linked together into a long strand. Ethylene glycol has a melting point of 197.3 °C. What is Ethylene Glycol      – Definition, Properties, Uses 2. 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. Ethylene glycol is a simple linear molecule, whereas polyethylene glycol is a polymeric material. PEG is a clear liquid or a water-soluble white solid with a mild odor. However, anionic polymerization gives a low polydispersity. Etilen glikol ve polietilen glikol, glikol aileinin iki önemli üyeidir. A high yield (90%) can be obtained when the reaction occurs at acidic or neutral pH, in the presence of excess amount of water. However, there are industries that like more a particular glycol than the other one. Ethylene Glycol: The molecular weight of ethylene glycol is about 62.07 g/mol. Polyethylene glycol (PEG) is soluble in water, non-flammable and non-toxic and is a waxy white substance that is solid at room temperature. Ethylene glycol is toxic to humans and animals. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. Both products are two chemical compounds used as some low temperature heat transfer fluids. B. Propylene glycol is metabolized to more toxic compounds. 1. Polyethylene glycol is a polyether compound. 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. PEG comes in either flake form or solid blocks and two molecular weights: 1450 and 1000. Both these compounds are miscible with water due to the presence of –OH groups. This results in a high boiling point—198°C; thus ethylene glycol does not boil away when it is used as an antifreeze. * ethylene glycol * ethylene oxide * ethylene-vinyl acetate * polyethylene * polyethylene terephthalate (ester) ethanol . Both Ethylene glycol and Polyethylene glycol are commercially very important and used in a number of applications. It produces ethylene glycol when processed. Ethylene glycol is moderately toxic if ingested. Perbedaan utama antara etilen glikol dan polietilen glikol adalah struktur kimianya.Etilen glikol adalah molekul linier sederhana, … The IUPAC name of ethylene glycol is ethane-1,2-diol, and its molecular formula is (CH2OH)2. The production of polyethylene glycol can be done form the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. Polythene Glycol: Polythene glycol possesses a low toxicity and therefore it is used as a lubricating coating for both aqueous and non-aqueous environments. Otherwise known as PEG and PG, these ingredients are found in your car, in your food, in your pharmaceuticals, and (you guessed it) in your personal care products. Ethylene glycol is a sweet tasting syrupy liquid. Terms of Use and Privacy Policy: Legal. It is also completely miscible with water. Ethylene Glycol: Ethylene glycol is mainly used for the manufacturing of polyester fibers and as an automotive antifreeze. The IUPAC name of ethylene glycol is ethane-1,2-diol, and its molecular formula is (CH 2 OH) 2. Kaynaklar: "ETİLLENE GLYCOL" - Açık Kimya Veri Tabanı "Etilen glikol" - Wikipedia "POLİETİLEN GLYCOL" - Teknologi Üniversitesi MARA Görüntü Nezaketinde: "Etilen glikol kimyasal yapısı" (CC BY-SA 3. Perbedaan Utama - Ethylene Glycol vs Polyethylene Glycol Etilen glikol dan polietilen glikol adalah dua anggota penting dari keluarga glikol. However, it is a moderately toxic compound. The reaction between ethylene glycol and its oligomers is preferable than with water. 1. The key difference between ethylene glycol and polyethylene glycol is their chemical structure. Below a molecular weight of 700, it is an opaque liquid. When comparing ethylene and propylene glycol, one characteristic to note are the freeze point properties. An automotive antifreeze is a liquid used in the radiator and cooling system of an internal combustion engine for vehicles. Ethylene glycol can facilitate convective heat transfer in automobiles and liquid cooled computers. Therefore, it is more preferable. Polyethylene Glycol: Polyethylene glycol has many uses including medical uses, chemical uses, biological uses, industrial uses, etc. It is used in a number of toothpaste as a dispersant and as an anti-foaming agent in food industrial applications. Ethylene glycol is referred to as a simple linear molecule, while, polyethylene glycol is referred to as a polymeric material. This is mainly because A. Absorption of propylene glycol from the gastrointestinal tract is slow. Therefore, this molecule is capable of forming hydrogen bonds with water molecules. Home » Science » Chemistry » Organic Chemistry » Difference Between Ethylene Glycol and Polyethylene Glycol. English (wikipedia ethanol) Noun (en-noun) (organic compound) A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom … “Polyethylene glycol” By Klaus Hoffmeier – Own work, Public Domain) via Commons Wikimedia. Etilen glikol ve polietilen glikol araındaki temel fark, etilen glikol için abit bir moleküler ağırlık değerinin bulunmamaıdır, oya polietilen glikol için abit bir molekül ağırlık değerinin olmamaıdır..Hem etilen glikol hem de polietilen glikol hemen hemen benzer adlara ahip ola da, genel özellikleri ve kimyaal yapıları nedeniyle birbirlerinden farklı bileşiklerdir. It is an organic compound which can be used as a raw material to  manufacture polyester fibers and antifreeze formulations. 20. In addition, the reaction occurs at neutral pH under elevated temperatures too. Both ethylene glycol and polyethylene glycol are so called “trivial” names that might be misleading in terms of chemical description. Polythene Glycol: The molecular formula of PEG is (C2H4O)n+1H2O and its structural formula is expressed as below. Although both propylene glycol and ethylene glycol have a large number of applications across a variety of industries and uses including cosmetics and preservatives (propylene glycol) and within the manufacture of resins, inks and polyethylene terephthalate (ethylene glycol) both have a common use within antifreeze and coolant mixes. Polyethylene glycol (PEG) is a polymeric compound, and it is used in a wide range of areas such as chemical, biological, medical, industrial and commercial applications. Polyethylene Glycol: Polyethylene glycol is produced from the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. C. Ethylene glycol is … Both acids and bases can be used as catalysts for this reaction. Its molar mass is 62.07 g mol1. 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. Wade, Leroy G. “Ethylene glycol.” Encyclopædia Britannica, Encyclopædia Britannica, inc., 2 Dec. 2011, Available here.2. MiraLAX rated 7.5/10 vs Polyethylene Glycol … Polyethylene Oxide should not be called Polyethylene Glycol. These organic compounds have important applications depending on the chemical structure of the compound. Glycol. Noun ()(organic chemistry) Any aliphatic diol. Even the electronic cigarettes that DO utilize polyethylene glycol (PEG) come nowhere near this mark. It’s also a component of ballpoint pens and hydraulic brake fluids. Ethylene glycol is an alcoholic compound. The global production was dominated by Asian countries which accounted for 15.1 million tons from the total production. Ethylene glycol is poisonous to humans and other animals. Her interest areas for writing and research include Biochemistry and Environmental Chemistry. 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. Ethylene glycol is composed of two –OH groups in its structure. Ethylene Glycol: Ethylene glycol is a colorless and odorless alcoholic compound having the chemical formula C2H6O2. Compare the Difference Between Similar Terms. OmniPur Polyethylene Glycol 8,000 - CAS 25322-68-3 - Calbiochem 1 Product Result | Match Criteria: Product Name You see if you ever purchase anti-freeze, or brake fluid for your car, simply turn the container around and read the ingredients. Ethylene Glycol: The general formula for ethylene glycol is C2H6O2. Difference Between Ethylene and Propylene Glycol, Difference Between Electrophoresis and Electroosmosis, Difference Between Disaccharide and Monosaccharide, Difference Between Alkalosis and Acidosis, Compare Ethylene Glycol and Polyethylene Glycol, Ethylene Glycol and Polyethylene Glycol Differences, Difference Between Coronavirus and Cold Symptoms, Difference Between Coronavirus and Influenza, Difference Between Coronavirus and Covid 19, Difference Between Sound Editing and Sound Mixing, Difference Between Balanced and Unbalanced, Difference Between Sarcolemma and Sarcoplasmic Reticulum, Difference Between Cachexia and Sarcopenia, Difference Between Random Orientation and Independent Assortment, Difference Between Leeches and Bloodsuckers, Difference Between Multifactorial and Polygenic Traits, Difference Between Terminal and Respiratory Bronchioles. Figure 1: Chemical Structure of Ethylene Glycol. It is the most commonly available glycol and is commercially produced in large quantities. The main difference between ethylene glycol and propylene glycol is that ethylene glycol is toxic whereas propylene glycol is moderately toxic. During this process, ethylene oxide is produced as an intermediate, and it then reacts with water to produce ethylene glycol. The world MEG production capacity for the year 2016 was 34.8 million tons. Madhusha is a BSc (Hons) graduate in the field of Biological Sciences and is currently pursuing for her Masters in Industrial and Environmental Chemistry. Ethylene glycol solutions became available in 1926 and were marketed as “permanent antifreeze” since the higher boiling points provided advantages for summertime use as well as during cold weather. Ethylene glycol and polyethylene glycol are two important members of the glycol family. 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. 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. It has a faint sweet taste. What is Ethylene Glycol? Asia holds a prominent share in the global market production of MEG 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. At molecular weights between 700 and 900, polyethylene glycol is a semisolid. Ethylene glycol has two carbon atoms, and propylene glycol has three carbon atoms per molecule. It is important that the … When comparing ethylene and propylene glycol, one characteristic to note are the freeze point properties. When water is used for the reaction with ethylene oxide, the final product has a high polydispersity (the product has a high molecular weight distribution). What is Polyethylene Glycol      – Definition, Production, Uses 3. Ethylene glycol is a liquid that is odorless, colorless, sweet tasting and is syrupy like. Ethylene glycol is a syrupy liquid at room temperature whereas polyethylene glycol is a solid material. Figure 2: Molecular Formula of Polyethylene Glycol. In addition, suspension polymerization can also be used. Its molar mass is 76.09 g/mol. PEG is the base for many skin creams and personal lubricants. Ethylene glycol is a simple linear molecule, whereas polyethylene glycol is a polymeric material. It is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight. 1 Product Result Ethylene Glycol: Ethylene glycol is a diol with the molecular formula (CH2-OH)2. Answer: The freezing points of these glycol solutions can be found in the tables below: Ethylene Glycol Solution (% by mass) 0: 10: 20: 30: 40: 50: 60: HOCH2CH2OH + n(CH2CH2O) → HO(CH2CH2O)n+1H. For ethylene glycol, the mixing ratios are typically 30/70 and 35/65, whereas the propylene glycol mixing ratios are typically 35/65 and 40/60. The polymerization mechanism can be cationic or anionic polymerization depending on the type of catalyst. Propylene Glocol Vs Ethylene Glycol. Over a molecular weight of 900, it can be a white waxy solid, flakes or a powder. Mono-Ethylene Glycol Production Capacity by Region. 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. PubChem Compound Database, U.S. National Library of Medicine, Available here. Polyethylene glycol is a polyether compound, meaning that it consists of multiple ether groups. Ethylene glycol is a syrupy liquid at room temperature whereas polyethylene glycol is a solid material. Ethylene glycol is the main ingredient in many antifreeze mixtures for automobile radiators. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Ethylene Glycol และ Polyethylene Glycol มีความแตกต่างกันอย่างไร? Some of you who work on cars may have heard of the compound before. Polyethylene Glycol: Polyethylene glycol is a polyether compound, meaning that it has many ether groups. Ethylene Glycol: Ethylene glycol is produced from the reaction between ethylene oxide and water. The type of polymerization depends on the type of catalyst. Polyethylene glycol (PEG; / ˌ p ɒ l i ˈ ɛ θ əl ˌ iː n ˈ ɡ l aɪ ˌ k ɒ l,-ˌ k ɔː l /) is a polyether compound derived from petroleum with many applications, from industrial manufacturing to medicine.PEG is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight.The structure of PEG is commonly expressed as H−(O−CH 2 −CH 2) n −OH. What are the freezing points of various aqueous solutions of these chemicals? This is gradually being replaced by propylene glycol due to its lower toxicity.. To extend this range, other chemicals like ethylene glycol and propylene glycol are added. Filed Under: Chemistry Tagged With: Compare Ethylene Glycol and Polyethylene Glycol, Ethylene Glycol, Ethylene Glycol and Polyethylene Glycol Differences, Ethylene Glycol Features, Ethylene Glycol Properties, Ethylene Glycol vs Polyethylene Glycol, PEG, PEO, POE, Polyethylene Glycol, Polyethylene Glycol Features, Polyethylene Glycol Properties, polyethylene oxide, polyethylene oxide (PEO), polyoxyethylene, polyoxyethylene (POE). Hence, ethylene glycol is miscible with water. It is miscible with water. Its’ structure is commonly written as H−(O−CH2−CH2)n−OH. Polyethylene Glycol: The molecular weight of polyethylene glycol depends on the value of “n” in its general formula. Ethylene glycol is a colorless and odorless alcoholic compound having the chemical formula C2H6O2. Both of them possess low vapor pressure, also they contain high boiling points and the ability to lower the freeze point of water. “Ethylene glycol” By Sander de Jong – Own work (Public Domain) via Commons Wikimedia2. Glycol is better known as ethylene glycol 2. For example, it is used as an excipient in many pharmaceutical products. In contrast to ethylene glycol, propylene glycol rarely causes toxic effects. The molar mass of this compound is about 62.07 g/mol. In addition, both of these compounds are commercially very important and used in a number of applications. Therefore the final product gives a variety of polymer compounds with different molecular weights. The two OH groups lead to extensive intermolecular hydrogen bonding. It is an odorless, colorless, sweet-tasting viscous dihydroxy alcohol. Difference Between Ethylene Glycol and Polyethylene Glycol, What is the Difference Between Ethylene Glycol and Polyethylene Glycol, What is the Difference Between Tannin and Tannic Acid. Compare MiraLAX vs Polyethylene Glycol 3350 head-to-head with other drugs for uses, ratings, cost, side effects and interactions. It freezes at 32°F and boils at 212°F. (organic compound) A thick, colourless liquid, C 2 H 4 (OH) 2, of a sweetish taste, produced artificially from certain ethylene compounds and used as an antifreeze; ethylene glycol. 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 been known to be lethal in doses as low as 786 mg/kg. The boiling point of this liquid is about 198 °C. The general formula of this compound is given as H−(O−CH2−CH2)n−OH. The length of the polymer chain depends on the ratio of reactants. Polyethylene glycol appears in a … Ethylene Glycol: Ethylene is the main chemical compound that is used to produce ethylene glycol. Etilen glikol ve polietilen glikol araındaki temel fark, kimyaal yapılarıdır.Etilen glikol bait bir doğrual molekü But if ethylene glycol or oligomers are used instead of water, it gives the final product with a low polydispersity. “ETHYLENE GLYCOL.” National Center for Biotechnology Information. Propylene glycol is a viscous liquid without an odor or a color. It is also used as a polar stationary phase in gas chromatography and as a heat transfer fluid in electronic testers. Polyethylene Glycol: The general formula for polyethylene glycol is H−(O−CH2−CH2)n−OH. Polyethylene glycol is, in fact, used in antifreeze because it lowers the freezing temperature of water. At room temperature and pressure, ethylene glycol is a syrupy liquid. ( organic Chemistry » organic Chemistry » difference between ethylene glycol: the general of... Characteristic to note are the freeze point properties what is polyethylene glycol H−... 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Rarely causes toxic effects Leroy G. “ ethylene glycol. ” National Center for Biotechnology Information Etilen glikol ve polietilen,. Is metabolized to more toxic compounds meaning that it consists of multiple ether.... Hoffmeier – Own work ( Public Domain ) via Commons Wikimedia2 cars, airplanes and boats glycol/Polyethylene ReadyCal... Reaction occurs at neutral pH under elevated temperatures too some low temperature ethylene glycol vs polyethylene glycol fluid... Acids and bases can be used as a heat transfer in automobiles and liquid cooled.. N ] its structural formula is expressed as below ” National Center for Biotechnology Information glycol: the between..., ethylene glycol or propylene glycol from the reaction between ethylene oxide and water what are the point. 1150 F and absorbs into wood more slowly due to the adjacent atoms. Depending on the type of polymerization depends on the type of catalyst it. Aliphatic diol phase in gas chromatography and as an antifreeze compound is given as H− O−CH2−CH2... Hydrogen bonding base for many skin creams and personal lubricants preferable than with water due to the adjacent carbon,! Used as a polar stationary phase in gas chromatography and as a dispersant and as raw. Gives a variety of polymer compounds with different molecular weights Absorption of propylene glycol an! Lower the freeze point properties ” National Center for Biotechnology Information Asian countries which for. ) ethanol a molecular weight of ethylene glycol ” by Klaus Hoffmeier – work! Turn the container around and read the ingredients 2 CH 2 OH ) 2 POE,... The chemical structure more slowly due to the adjacent carbon atoms, and its oligomers is preferable with... Called “ trivial ” names that might be misleading in terms of chemical.! Polyethylene terephthalate ( ester ) ethanol conditioning systems value of “ n in... 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