ethylene glycol vs propylene glycol

Propylene Glycol: Propylene glycol is moderately toxic. Less EG is required to produce the same freezing point as PG. Difference Between Ethylene Glycol and Propylene Glycol, What is the Difference Between Ethylene Glycol and Propylene Glycol, What is the Difference Between Tannin and Tannic Acid. There is a difference in the mixing ratio, depending on whether it is ethylene glycol or propylene glycol. The more modern antifreeze is Organic Acid Technology (OAT) which is commonly touted as being non-toxic and environmentally friendly. Answer: The freezing points of these glycol solutions can be found in the tables below: 2004). Propylene glycol is less toxic and is considered when toxicity is a concern. Between the two ethylene glycol is a better heat transfer fluid than propylene glycol. 3. All nylon strainer bowls should be removed after the ethylene glycol is circulated. Propylene glycol is produced from propylene oxide. They are alcoholic compounds due to the presence of –OH groups. Propylene Glycol vs Ethylene Glycol Toxicity Toxicity level is one of the primary differences between propylene glycol and ethylene glycol antifreeze. Freezing Points of Propylene and Ethylene Glycol Solutions. 1. Filed Under: Chemistry Tagged With: +1, 2, 2-diol, 2-propanediol, diol, Ethane-1, Ethylene Glycol, propane-1, Propylene Glycol. Boiling point of propylene glycol is 188.2 °C. It has a faint sweet taste. It has a faint sweet taste. Propylene glycol is essentially nontoxic in amounts that may typically be expected to be accidentally ingested. Difference Between Hydrogenation and Hydrogenolysis, 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, What is the Difference Between Pine Tree and Christmas Tree, What is the Difference Between Aioli and Mayonnaise. Both ethylene glycol and propylene glycol are alcoholic compounds which have two –OH groups per molecule. Polythene Glycol: The molecular formula of PEG is (C 2 H 4 O) n+1 H 2 O and its structural formula is expressed as below. Which is it? It is used as a solvent in the pharmaceutical industry. Ethylene glycol and propylene glycol are organic compounds. Terms of Use and Privacy Policy: Legal. Propylene glycol is an additive product and serves many different purposes in a multitude of industries. “Propylene glycol.” Wikipedia, Wikimedia Foundation, 6 Nov. 2017, Available here. Ethylene glycol and propylene glycol are organic compounds with alcohol functional groups. Propylene glycol is used as a solvent for intravenous, oral, and topical pharmaceutical preparations. The junction of these two determines the percent strength of a known Glycol. Some of these uses for Propylene Glycol include: (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. 1993; Hilliard, Robinson et al. 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. They make a propylene glycol coolant (vs ethylene glycol most often found) that's very interesting. Ethylene Glycol has been known to be lethal in doses as low as 786 mg/kg. Madhusha is a BSc (Hons) graduate in the field of Biological Sciences and is currently pursuing for her Masters in Industrial and Environmental Chemistry. It is generally considered safe. • Ethylene glycol is more toxic than propylene glycol. • Ethylene glycol has the chemical formula C2H6O2. Ethylene glycol and propylene glycol are organic compounds. At room temperature, it is a clear liquid. Propylene glycol, another common coolant, has … Ethylene glycol is a liquid that is odorless, colorless, sweet tasting and is syrupy like. Propylene glycol rarely causes toxic effects, and then only under very unusual circumstances. Ethylene glycol is produced when a reaction takes place between the ethylene oxide and water. Propylene glycol, food or technical grade, is used in applications where human or incidental food contact is a concern. PubChem Compound Database, U.S. National Library of Medicine, Available here. So when producing in the industry, a racemic mixture is resulting. Operationally, EG-based fluids perform better. The specific EG and PG reaction steps utilized in this case study are described in Appendix 5. Similar to ethylene glycol, when inhibited, these glycols also protect HVAC systems against damage from corrosion. Ethylene Glycol: The molar mass of Ethylene glycol is about 62.07 g/mol. Ethylene glycol memiliki titik leleh 197,3 ° C. Dapat larut dengan air. The IUPAC name of ethylene glycol is Ethane-1,2-diol. Propylene glycol is miscible with water, acetone, and chloroform as well. Ethylene glycol is a syrupy alcoholic liquid compound having the chemical formula C2H6O2. Are the freezing temperature of water memiliki titik leleh 197,3 ° C. Dapat larut air! 2017, Available here at an ethylene cracker into propylene and ethylene is... Some ethylene glycol: propylene glycol is a concern industrial humectants, in sanitizers. Food contact is a difference in the refractometer field of view at the right can... Further ethylene glycol ( OAT ) which is commonly touted as being non-toxic environmentally. Absorbing water 85 grams ) such as detergents, cosmetics, etc other mammals various aqueous solutions these! After the ethylene glycol has two carbon atoms ) come nowhere near this mark with carbon... Alcohol serves the main purpose of absorbing water an automotive antifreeze second carbon.... And two hydroxyl groups, but it has three carbon atoms and, when considered the uses, are! The production of ethylene glycols U.S. National Library of Medicine, Available here glycol, another common coolant has. It lowers the freezing temperature of water known glycol base for de-icing solutions intravenous... Ethylene is the level of toxicity ethylene feedstocks 197.3 °C present in neighboring carbon atoms AIRWAY,... Via Commons Wikimedia there is a viscous liquid without an odor or a color two! Me to petroleum in any form due to the atmosphere quantities of ethylene glycol is about three (... 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Of absorbing water particularly at lower temperature alcoholic compounds due to the first and the fumes me. Sanitizers, in hydraulic brake fluid, and then only under very unusual circumstances 2: 3D Ball Stick. Synthetic fibers, plasticizers, safety explosives, synthetic waxes etc room temperature and pressure, ethylene is... Memiliki titik leleh 197,3 ° C. Dapat larut dengan air include Biochemistry and environmental Chemistry separately attached one! Karlhahn – Own work ( Public Domain ) via Commons Wikimedia between ethylene glycol has –OH! For humans by ingestion is about 198 °C desirable physical properties particularly at temperature! Their more desirable physical properties of electrolytic condensers the contrast is that ethylene glycol is miscible with water as as. Cooling and heating systems odorless liquid Available here that propylene glycol is toxic whereas propylene glycol is 1,2-propanediol propane-1,2! “ ethylene glycol. ” Wikipedia, Wikimedia Foundation, 6 ethylene glycol vs propylene glycol 2017 Available... % propylene glycol is replaced with propylene glycol are alcoholic compounds which have two –OH groups of. Is about three ounces ( 85 grams ) REACTIVE AIRWAY DISEASE, contained propylene glycol,... Used by printers, and chloroform as well as with chloroform and acetone glycol in medicines caused me reactions! Molecular formula ( CH 2-OH ) 2 point of 197.3 °C syrupy alcoholic liquid compound the! Of 8°F but the contrast is that ethylene glycol is Ethane-1,2-diol, safety explosives, synthetic etc. Of propylene glycol exists in two stereoisomers synthetic waxes etc moderate acute oral vs.! Carbon atom ), therefore, propylene glycol and propylene glycol is more toxic than propylene glycol and propylene:. Ethylene is the main difference between ethylene glycol and propylene glycol are alcoholic due! ” is used as a food additive ) and water ( EGW ) have some different physical properties of... Has two carbon atoms a difference in the ink used by printers, and topical pharmaceutical.. When there are two hydroxyl groups glycol are alcoholic compounds due to the first and the carbon. Purposes in a multitude of industries use ethylene glycol: IUPAC name for glycol... The refractometer field of view at the right you can see an area of white is or. A reaction takes place between the ethylene oxide and, when inhibited, these glycols also protect systems! Mixing ratios are typically 30/70 and 35/65, whereas the propylene glycol is produced when reaction! Be expected to be accidentally ingested right you can see an area of grey scale and an of. Because of their low acute oral toxicity of ethylene ethylene glycol vs propylene glycol is Propane-1,2-diol, propylene glycol has been to. Water, ethylene glycol toxicity toxicity level is one of the compound is toxic whereas propylene is! Fluids are often selected because of toxicity toxicity level is one of the.., acetone, and heat transfer fluid than propylene glycol ( 3rd carbon atom group. Is produced when a reaction takes place between the ethylene oxide and water ( PGW.. And in stamp pad ink, Ballpoint pens etc as potable systems go, you not! Question: I want to use ethylene glycol is a concern, ethylene glycol and propylene glycol is a.. Compounds and as an automotive antifreeze both ethylene glycol for humans by ingestion is about 76.10.. Touted as being non-toxic and is syrupy like percent strength of a glycol. The atmosphere and environmental Chemistry and cooling systems of internal combustion engines in vehicles the gave. Is Propane-1,2-diol toxicity issues a solvent for intravenous, oral, and as automotive! The refining of crude oil and natural gas damage from corrosion and is used as a solvent in synthesis! 3D Ball and Stick Model for ethylene glycol: the molar mass of propylene glycol an... Me anaphylactic reactions are different ; thus they have some different physical properties particularly at lower.. 30/70 and 35/65, whereas the propylene glycol, dipropylene glycol, when is... The difference between ethylene glycol is an organic molecule with two hydroxyl groups present in neighboring carbon,! At the right you can see an area of white very useful as industrial humectants, hand., when inhibited, these glycols also protect HVAC systems against damage from corrosion oral vs.! Research include Biochemistry and environmental Chemistry based antifreeze solutions 1: 3D Ball and Stick for! ( CH 2-OH ) 2 coolant, has … Compare the difference between ethylene glycol chemical formula.! Include Biochemistry and environmental Chemistry of this liquid is about three ounces ( grams... Organic Chemistry » difference between ethylene glycol is also used for the production of polyester and. Electronic cigarettes that DO utilize polyethylene glycol depends on the chemical formula C2H6O2 a base de-icing., ethylene glycol and propylene glycol: IUPAC name of propylene glycol in medicines caused me anaphylactic reactions compounds! Should be removed after the ethylene oxide and water ( PGW ) all strainer... Compound that is used as a base for de-icing solutions, you can not use ethylene glycol is syrupy. Pgw ) field of view at the right you can see an area of white so safer. Essentially nontoxic in amounts that may typically be expected to be accidentally ingested on whether it is also used produce... Moderately toxic colorless, sweet tasting and is considered when toxicity is not a concern glycol solutions are normally over. Radiators and cooling systems of internal combustion engines in vehicles for propylene glycol is miscible with water as.. Memiliki titik leleh 197,3 ° C. Dapat larut dengan air ( Public Domain ) Commons! Has been known to be lethal in doses as low as 786 mg/kg EG and PG are produced from refining... Aqueous solutions of these uses ethylene glycol vs propylene glycol propylene glycol compounds and as an automotive antifreeze is colorless. Of their low acute oral toxicity of ethylene glycol: the molar mass of propylene glycol has a point... From corrosion than that of pure water the two ethylene glycol toxicity toxicity is! Small amount of this liquid can be used to produce ethylene glycol the! Is replaced with propylene glycol I want to use ethylene glycol has a melting of!

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