ethylene glycol vs polyethylene glycol
Ethylene Glycol: Ethylene is the main chemical compound that is used to produce ethylene glycol. The molar mass of this compound is about 62.07 g/mol. 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. Therefore, it is more preferable. Boiling point of propylene glycol is 188.2 °C. Therefore, this molecule is capable of forming hydrogen bonds with water molecules. Ethylene Glycol: Ethylene glycol is a colorless and odorless alcoholic compound having the chemical formula C2H6O2. Polythene Glycol: The reaction between ethylene oxide with water, ethylene glycol or ethylene glycol oligomers produces polyethylene glycol. Madhusha is a BSc (Hons) graduate in the field of Biological Sciences and is currently pursuing for her Masters in Industrial and Environmental Chemistry. 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. When comparing ethylene and propylene glycol, one characteristic to note are the freeze point properties. During this process, ethylene oxide is produced as an intermediate, and it then reacts with water to produce ethylene glycol. HOCH2CH2OH + n(CH2CH2O) → HO(CH2CH2O)n+1H. English (wikipedia ethanol) Noun (en-noun) (organic compound) A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom … Ethylene glycol has two carbon atoms, and propylene glycol has three carbon atoms per molecule. Home » Science » Chemistry » Organic Chemistry » Difference Between Ethylene Glycol and Polyethylene Glycol. The boiling point of this liquid is about 198 °C. Both of them possess low vapor pressure, also they contain high boiling points and the ability to lower the freeze point of water. Polyethylene glycol has many uses including medical uses, chemical uses, biological uses, industrial uses, etc. Ethylene glycol can facilitate convective heat transfer in automobiles and liquid cooled computers. What are the freezing points of various aqueous solutions of these chemicals? 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. What is Polyethylene Glycol – Definition, Production, Uses 3. Ethylene Glycol: Ethylene glycol is a diol with the molecular formula (CH2-OH)2. 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 is an odorless, colorless, sweet-tasting viscous dihydroxy alcohol. In addition, both of these compounds are commercially very important and used in a number of applications. 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. Propyelene glycol is miscible with water as well as with chloroform and acetone. Ethylene glycol is composed of two –OH groups in its structure. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. MiraLAX rated 7.5/10 vs Polyethylene Glycol … 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). Polythene Glycol: Polythene glycol possesses a low toxicity and therefore it is used as a lubricating coating for both aqueous and non-aqueous environments. It freezes at 32°F and boils at 212°F. Therefore the final product gives a variety of polymer compounds with different molecular weights. (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. B. Propylene glycol is metabolized to more toxic compounds. Etilen glikol ve polietilen glikol, glikol aileinin iki önemli üyeidir. What is the Difference Between Ethylene Glycol and Polyethylene Glycol – Comparison of Key Differences, Key Terms: Ethylene Glycol, Hydrogen Bonds, Polydispersity, Polyethylene Glycol, Polymerization. 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. An automotive antifreeze is a liquid used in the radiator and cooling system of an internal combustion engine for vehicles. 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). 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. I want to use ethylene glycol or propylene glycol as an anti-freeze. Perbedaan Utama - Ethylene Glycol vs Polyethylene Glycol Etilen glikol dan polietilen glikol adalah dua anggota penting dari keluarga glikol. Both products are two chemical compounds used as some low temperature heat transfer fluids. Ethylene Glycol: Ethylene glycol is produced from the reaction between ethylene oxide and water. Glycol is better known as ethylene glycol 2. 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. Over a molecular weight of 900, it can be a white waxy solid, flakes or a powder. In addition, both of these compounds are commercially very important and used in a number of applications. Hence, ethylene glycol is miscible with water. The two –OH groups are attached to the adjacent carbon atoms. This is gradually being replaced by propylene glycol due to its lower toxicity.. Glycol. It is a viscous liquid. When comparing ethylene and propylene glycol, one characteristic to note are the freeze point properties. 1. Polyethylene glycol is simply multiple molecules of ethylene glycol linked together into a long strand. 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. Ethylene Glycol: Ethylene glycol is mainly used for the manufacturing of polyester fibers and as an automotive antifreeze. Polyethylene glycol is a polyether compound, meaning that it consists of multiple ether groups. 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 liquid that is odorless, colorless, sweet tasting and is syrupy like. 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. The main difference between ethylene glycol and propylene glycol is that ethylene glycol is toxic whereas propylene glycol is moderately toxic. 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. 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. OmniPur Polyethylene Glycol 8,000 - CAS 25322-68-3 - Calbiochem 1 Product Result | Match Criteria: Product Name 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. Ethylene Glycol และ Polyethylene Glycol มีความแตกต่างกันอย่างไร? 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 is moderately toxic if ingested. Polyethylene Oxide should not be called Polyethylene Glycol. Ethylene Glycol has been known to be lethal in doses as low as 786 mg/kg. Polyethylene Glycol: The molecular weight of polyethylene glycol depends on the value of “n” in its general formula. Etilen glikol ve polietilen glikol araındaki temel fark, kimyaal yapılarıdır.Etilen glikol bait bir doğrual molekü 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. But if ethylene glycol or oligomers are used instead of water, it gives the final product with a low polydispersity. It is an organic compound which can be used as a raw material to manufacture polyester fibers and antifreeze formulations. 1 Product Result The key difference between ethylene glycol and polyethylene glycol is their chemical structure. Ethylene glycol is an alcoholic compound. Figure 2: Molecular Formula of Polyethylene Glycol. It is used in a number of toothpaste as a dispersant and as an anti-foaming agent in food industrial applications. Even the electronic cigarettes that DO utilize polyethylene glycol (PEG) come nowhere near this mark. “Polyethylene glycol” By Klaus Hoffmeier – Own work, Public Domain) via Commons Wikimedia. Polyethylene glycol (PEG) is soluble in water, non-flammable and non-toxic and is a waxy white substance that is solid at room temperature. In contrast to ethylene glycol, propylene glycol rarely causes toxic effects. For example, it is used as an excipient in many pharmaceutical products. PEG comes in either flake form or solid blocks and two molecular weights: 1450 and 1000. Polyethylene glycol appears in a … It is a synthetic liquid used to make antifreeze and de-icing solutions for cars, airplanes and boats. It has a faint sweet taste. It is the most commonly available glycol and is commercially produced in large quantities. C. Ethylene glycol is … Ethylene glycol and polyethylene glycol are two important members of the glycol family. 1. Its molar mass is 76.09 g/mol. The reaction between ethylene glycol and its oligomers is preferable than with water. Terms of Use and Privacy Policy: Legal. At molecular weights between 700 and 900, polyethylene glycol is a semisolid. Both these compounds are miscible with water due to the presence of –OH groups. All rights reserved. Ethylene glycol is toxic to humans and animals. Polyethylene glycol is, in fact, used in antifreeze because it lowers the freezing temperature of water. Her interest areas for writing and research include Biochemistry and Environmental Chemistry. However, it is a moderately toxic 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. Ethylene glycol is the main ingredient in many antifreeze mixtures for automobile radiators. Ethylene glycol is a simple linear molecule, whereas polyethylene glycol is a polymeric material. The world MEG production capacity for the year 2016 was 34.8 million tons. Polyethylene Glycol: The general formula for polyethylene glycol is H−(O−CH2−CH2)n−OH. Ethylene glycol is a sweet tasting syrupy liquid. It is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight. Mono-Ethylene Glycol Production Capacity by Region. However, there are industries that like more a particular glycol than the other one. The general formula of this compound is given as H−(O−CH2−CH2)n−OH. 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. Polyethylene glycol/Polyethylene oxide ReadyCal Set Mp ~250 -1′000 000. Propylene glycol is a viscous liquid without an odor or a color. The type of polymerization depends on the type of catalyst. These organic compounds have important applications depending on the chemical structure of the compound. PEG 1450 melts at 1100 F to 1150 F and absorbs into wood more slowly due to the higher molecular weight. You see if you ever purchase anti-freeze, or brake fluid for your car, simply turn the container around and read the ingredients. It is also used as a polar stationary phase in gas chromatography and as a heat transfer fluid in electronic testers. Polyethylene glycol is a polyether compound. * ethylene glycol * ethylene oxide * ethylene-vinyl acetate * polyethylene * polyethylene terephthalate (ester) ethanol . 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. 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. The polymerization mechanism can be cationic or anionic polymerization depending on the type of catalyst. It is miscible with water. 1. PEG is the base for many skin creams and personal lubricants. Noun ()(organic chemistry) Any aliphatic diol. Polythene Glycol: The molecular formula of PEG is (C2H4O)n+1H2O and its structural formula is expressed as below. 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: The two OH groups lead to extensive intermolecular hydrogen bonding. It is also used in chilled water air conditioning systems. The length of the polymer chain depends on the ratio of reactants. “ETHYLENE GLYCOL.” National Center for Biotechnology Information. 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. This is mainly because A. Absorption of propylene glycol from the gastrointestinal tract is slow. Polyethylene Glycol: Polyethylene glycol has many uses including medical uses, chemical uses, biological uses, industrial uses, etc. This reaction needs an acidic or basic catalyst. Polyethylene glycol is a polyether composed of repeated ethylene glycol units [-(CH 2 CH 2 O) n]. 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. What is Ethylene Glycol? PEG is a clear liquid or a water-soluble white solid with a mild odor. Ethylene glycol is referred to as a simple linear molecule, while, polyethylene glycol is referred to as a polymeric material. Perbedaan utama antara etilen glikol dan polietilen glikol adalah struktur kimianya.Etilen glikol adalah molekul linier sederhana, … What is Ethylene Glycol – Definition, Properties, Uses 2. Some of you who work on cars may have heard of the compound before. Although they have nearly similar names, polyethylene glycol and ethylene glycol are very different compounds depending on their chemical structures and general properties. 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. It is also completely miscible with water. PubChem Compound Database, U.S. National Library of Medicine, Available here. Ethylene glycol is poisonous to humans and other animals. Ethylene glycol is a simple linear molecule, whereas polyethylene glycol is a polymeric material. It’s also a component of ballpoint pens and hydraulic brake fluids. The IUPAC name of ethylene glycol is ethane-1,2-diol, and its molecular formula is (CH 2 OH) 2. At room temperature and pressure, ethylene glycol is a syrupy liquid. Both acidic and basic catalysts are used to catalyze this reaction. The global production was dominated by Asian countries which accounted for 15.1 million tons from the total production. Ethylene glycol is a syrupy liquid at room temperature whereas polyethylene glycol is a solid material. The production of polyethylene glycol can be done form the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. In addition, suspension polymerization can also be used. However, anionic polymerization gives a low polydispersity. Its molar mass is 62.07 g mol1. It produces ethylene glycol when processed. Below a molecular weight of 700, it is an opaque liquid. Both ethylene glycol and polyethylene glycol are so called “trivial” names that might be misleading in terms of chemical description. “Ethylene glycol” By Sander de Jong – Own work (Public Domain) via Commons Wikimedia2. Ethylene glycol is a colorless and odorless alcoholic compound having the chemical formula C2H6O2. Compare MiraLAX vs Polyethylene Glycol 3350 head-to-head with other drugs for uses, ratings, cost, side effects and interactions. Polyethylene glycol is a polyether compound. It can be either cationic polymerization or anionic polymerization. Asia holds a prominent share in the global market production of MEG Both Ethylene glycol and Polyethylene glycol are commercially very important and used in a number of applications. 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 … Wade, Leroy G. “Ethylene glycol.” Encyclopædia Britannica, Encyclopædia Britannica, inc., 2 Dec. 2011, Available here.2. Ethylene glycol is a syrupy liquid at room temperature whereas polyethylene glycol is a solid material. The molecular weight of the compound varies depending on the value of “n” in this general formula. In addition, the reaction occurs at neutral pH under elevated temperatures too. Compare the Difference Between Similar Terms. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Depending on its molecular weight, polyethylene glycol may have different appearances. Both acids and bases can be used as catalysts for this reaction. Polyethylene Glycol: Polyethylene glycol is produced from the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. Its’ structure is commonly written as H−(O−CH2−CH2)n−OH. Ethylene Glycol: The molecular weight of ethylene glycol is about 62.07 g/mol. 20. To extend this range, other chemicals like ethylene glycol and propylene glycol are added. Figure 1: Chemical Structure of Ethylene Glycol. A high yield (90%) can be obtained when the reaction occurs at acidic or neutral pH, in the presence of excess amount of water. It is important that the … Propylene Glocol Vs Ethylene Glycol. The IUPAC name of ethylene glycol is ethane-1,2-diol, and its molecular formula is (CH2OH)2. Ethylene Glycol: The general formula for ethylene glycol is C2H6O2. Polyethylene Glycol: Polyethylene glycol is a polyether compound, meaning that it has many ether groups. 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. Ethylene glycol has a melting point of 197.3 °C. Expressed as below groups are attached to the higher molecular weight of 700, it is base... Extend this range, other chemicals like ethylene glycol: the molecular weight of 700, it can be cationic. ” by Klaus Hoffmeier – Own work ( Public Domain ) via Commons Wikimedia metabolized to more toxic.... 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In the radiator and cooling system of an internal combustion engine for vehicles of propylene has! Aileinin iki önemli üyeidir ” names that might be misleading in terms chemical. Depending ethylene glycol vs polyethylene glycol its molecular formula ( CH2-OH ) 2 the main difference between glycol! Solid material with water due to the higher molecular weight of 900, polyethylene glycol has a melting of!, airplanes and boats at 1100 F ethylene glycol vs polyethylene glycol 1150 F and absorbs into more. 197.3 °C toxic whereas propylene glycol, propylene glycol has many uses including medical uses ratings...
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