specific heat of ethylene glycol

Ethylene-glycol was the only ethylene-carbonate metabolite detected. Table 27: Specific heat capacity values for ethylene glycol/water Specific Heat Capacity Values for Fluids November 2016 HYB-UM-00090-EN-04 Page 101 . Top contributors to the provenance of Δ f H° of (CH2OH)2 (cr,l) The 4 contributors listed below account for 92.2% of the provenance of Δ f H° of (CH2OH)2 (cr,l). Vol% Wt% Freezing Point Burst Point Boiling Point Specific Ethylene Glycol Ethylene Glycol °F °C °F °C °F Gravity (22°C) 0 0 32 0.0 32 0.0 212 1.000 5 5.6 29 -1.7 27 -2.7 213 1.008 Example - the specific heat of an ethylene glycol water solution 50% / 50% is 0.815 at 80 o F (26.7 o C). [33], Except where otherwise noted, data are given for materials in their, Pure propylene glycol does not taste bitter, and pure propylene glycol is often used as a food additive, for instance in cake icing and shelf-stable whipped cream. When engine coolant is a 50/50 mix (by volume) of ethylene-glycol in water, the resulting specific heat of the mixed fluid will be about 0.82. PROPYLENE GLYCOL PPG 9.20 SATURATED LIQUID DENSITY Temperature (degrees F) Pounds per cubic foot 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 65.700 Quantity Value Units Method Reference Comment; Δ f H° liquid-501.0 ± 4.1: kJ/mol: Ccb: Knauth and Sabbah, 1990: ALS: Δ f H° liquid-486. Ethylene glycol has desirable thermal properties including a high boiling point, low freezing point, stability over a wide range of temperatures, and high specific heat and thermal conductivity. The reduced specific heat capacity must be compensated by circulating more fluid. Czysty glikol etylenowy ma pojemność cieplna właściwa o jednej drugiej że z wody. (Monoethylene Glycol / MEG) Monoethylene glycol (MEG) in its pure form, it is an odorless, colorless, syrupy liquid with a sweet taste. Glycol is a water-miscible coolant that is frequently used in heat transfer and cooling applications. A 27.7 g sample of ethylene glycol (EG, a car radiator coolant) loses 688 J of heat. 4.2 PHYSICAL AND CHEMICAL PROPERTIES . Where to use DOWTHERM ethylene glycol-based fluids Solutions of DOWTHERM ethylene glycol-based fluids are widely used for secondary cooling and heating Ethylene glycol is primarily used in antifreeze formulations (50%) and as a raw material in the manufacture of polyesters such as polyethylene terephthalate (PET) (40%). In the terephthalic acid process, esterification of ethylene glycol and terephthalic acid is conducted directly at moderate pressure (2.7–5.5 bar) and high temperature (220–260 °C). Heat of Combustion at 25°C -2,154.82 kJ/gmol -8,730.4 Btu/lb Heat of Vaporization at 1 atm 57.9 kJ/gmol 234.4 Btu/lb Molecular Weight 106.12 g/mol 106.12 g/mol Normal Boiling Point 244.9°C 1013.25 hPa 473°F 760 mm Hg Δ BP/Δ P (750 to 770 mm Hg) 0.052°C/mm Hg Normal Freezing Point … Pure ethylene glycol has a specific heat capacity about one half that of water. Specific heat of Ethylene Gas - C 2 H 4 - temperatures ranging 175 - 900 K Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! CS1 maint: BOT: original-url status unknown (, National Institute for Occupational Safety and Health, Ullmann's Encyclopedia of Industrial Chemistry, "Coal to MEG, Changing the Rules of the Game", "China's coal-based chemicals are a trade-off", "Polyethylene bio-degradation by caterpillars of the wax moth Galleria mellonella", "Stubborn plastic may have finally met its match: the hungry wax worm", "Synthèse du glycol avec l'oxyde d'éthylène et l'eau", "Synthesis of pentacoordinate silicon complexes from SiO, "Antifreeze and Engine Coolant Being Bittered Nationwide", "Statement of the Science Report for Ethylene Glycol", "Interstellar Antifreeze: Ethylene Glycol", ATSDR - Case Studies in Environmental Medicine: Ethylene Glycol and Propylene Glycol Toxicity, CDC - NIOSH Pocket Guide to Chemical Hazards, Antifreeze ratio for Ethylene Glycol and Propylene Glycol, https://en.wikipedia.org/w/index.php?title=Ethylene_glycol&oldid=995561221, CS1 maint: BOT: original-url status unknown, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 21 December 2020, at 18:47. 9.7 Specific Gravity: 1.115 at 20°C (liquid) 9.8 Liquid ... 9.15 Heat of Solution: (est.) Over the last years, an important number of studies about graphene nanofluids have been performed using water [1, 3, 13, 38–41] or ethylene glycol [12, 20, 31, 39, 40] as base fluids. See the article on. investigated the performance of ethylene glycol/copper nanofluids and reported an enhanced heat transfer rate. Water was removed by azeotropic distillation to shift the equilibrium to the right. [29], Australia, the UK, and seventeen US states (as of 2012) require the addition of a bitter flavoring (denatonium benzoate) to antifreeze. It has a specific gravity of 1.115 and a flash point of 110 °C. The specific heat of ethylene glycol is 2.42 j/g-K. How many joules of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 15.2 degrees Celsius to 40.8 degrees Celsius? Ethylene glycol is toxic, and ingestion can result in death. If you would like additional product information or specific engineering or operating assistance, call Dow toll free at 1-800-447-4369. When the system contains a propylene or ethylene glycol, these values should be included. Please note: The list is limited to 20 most important contributors or, if less, a number sufficient to account for 90% of the provenance. 0000000956 00000 n Ethylene glycol is about 10% heavier than water (depending on operating temperature). The relative heat transfer coefficients can be calculated using the following data: Properties at 100°F, 50% Solution Ethylene Glycol Propylene Glycol Thermal Conductivity, k Btu/(hr)(ft)(°F) 0.25 0.22 Specific Heat, Cp Btu/(lb)(°F) 0.815 0.865 Viscosity, cP 2.3 3.0 Specific Gravity 1.056 1.026 Ethylene Glycol: The molar mass of Ethylene glycol is about 62.07 g/mol. This means that ethylene glycol (common antifreeze) carries 37% less heat per unit volume. at temperature 70°C, it shows that specific heat capacity of 8ml of ethylene glycol mix with the water has the highest specific heat capacity which is 13.2130 J/g*°C. alone. Some of our calculators and applications let you save application data to your local computer. Ethylene Glycol products offered by Dynalene can be used in various applications. If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. The specific heat for some commonly used liquids and fluids is given in the table below. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! If you can answer the question, please include your source or … It and its toxic byproducts first affect the central nervous system, then the heart, and finally the kidneys. Availability of DEG will depend on demand for derivatives of the primary product, ethylene glycol, rather than on DEG market requirements. The specific heat capacity of an antifreeze-water solution as the volume of antifreeze increases (Ethylene Glycol Heat-Transfer Fluid, 2017). This is not nearly as bad as it might sound. the Altmetric Attention Score and how the score is calculated. The common name ethylene glycol literally means “the glycol derived from ethylene.” temperature of the sample if the final temperature is 32.5 oC (c of EG is 2.42 J/(g K)_? Ethylene glycol, also called ethane-1,2-diol, the simplest member of the glycol family of organic compounds. We offer products for the temperature range -60°F to 350°F with pH stability and superior corrosion protection for steel, copper, brass and other metals. ; The specific heat tells us how difficult it is to heat the given body.Substances with low specific heat change their temperature easily, whereas high ones require much more energy delivered to achieve identical effect. Mono Ethylene Glycol, commonly referred to as Ethylene Glycol Antifreeze but also referred to as Ethane-1,2-diol, MEG, EG and Industrial Glycol. Quantity Value Units Method Reference Comment; Δ f H° liquid-501.0 ± 4.1: kJ/mol: Ccb: Knauth and Sabbah, 1990: ALS: Δ f H° liquid-486. When calculating mass and volume flow of a substance in heated or cooled systems with high accuracy - the specific heat (= heat capacity) should be corrected according values in the figures and the table below. [23], Ethylene glycol is moderately toxic, with an oral LDLo = 786 mg/kg for humans. The specific heat capacity of an ethylene glycol based water solution is less than the specific heat of clean water. Ethylene Glycol Thermal Fluids, inhibited ethylene glycol heat transfer fluids, are often used in demanding applications, such as fermentation cooling 12/23/2020 2:14:49 AM COVID-19 Supply Chain and Business Update Ethylene glycol is by far the largest volume of the glycol products in a variety of applications. Eng. [31] While prolonged low doses of ethylene glycol show no toxicity, at near lethal doses (≥ 1000 mg/kg per day) ethylene glycol acts as a teratogen. We don't collect information from our users. See also tabulated values of specific heat of gases, food and foodstuff, metals and semimetals, common solids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances. Mono Ethylene Glycol Chemical Structure Composition. FLUID PROPERTIES Fluid Specific Gravity 20° C Sound Speed delta-v/° C m/s/° C Kinematic Viscosity (cSt) Tbsolute ft/s m/s Viscosity (Cp) Information regarding the chemical identity of ethylene glycol is located in Table 4-1. For a heat transfer system the circulated volume must be increased . They are generally considered safer to use, as propylene glycol isn't as palatable[note 1] and is converted in the body to lactic acid, a normal product of metabolism and exercise. In December 2012, US antifreeze manufacturers agreed voluntarily to add a bitter flavoring to all antifreeze that is sold in the consumer market of the US. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. The specific heat of ethylene glycol is 2.42 j/g-K. How many joules of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 15.2 degrees Celsius to 40.8 degrees Celsius? Isobaric, CP, and isochoric, CV, specific heat of ethylene at gas-liquid equilibrium pressure and varying temperature, °C and °F:Isobaric, CP, and isochoric, CV, specific heat  of ethylene at atmospheric pressure and varying temperature, °C and °F: Specific heat of Ethylene Gas - C2H4 - at temperatures ranging 175 - 900 K: See also other properties of Ethylene at varying temperature and pressure: Density and Specific Weight, Dynamic and kinematic viscosity and Thermal conductivity,  and Thermophysical properties at standard conditions,  as well as Specific heat of  Air - at Constant Pressure and Varying Temperature,  Air - at Constant Temperature and Varying Pressure, Ammonia, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Hydrogen, Methane, Methanol, Nitrogen, Oxygen, Propane and Water. Diethylene Glycol Technical Data: Date Created 6/4/2015 Date Updated 6/4/2015 Item Number Limitations of Warranty & Liability Seller warrants its product will meet the specifications listed herein and it has good title to the product, free and clear of all liens and Dow glycol-based fluids include inhibited ethylene glycol (EG) and propylene glycol (PG)-based fluids. This work has been supported financially by Union College Faculty Research Fund, NSF-EEC 0939322 and New York State NASA space grant for financial support. The specific heat for some commonly used liquids and fluids is given in the table below. Upon ingestion, ethylene glycol is oxidized to glycolic acid, which is, in turn, oxidized to oxalic acid, which is toxic. Mono Ethylene Glycol, commonly referred to as Ethylene Glycol Antifreeze but also referred to as Ethane-1,2-diol, MEG, EG and Industrial Glycol. Please explain how to do this, id like the answer, but i need to … The formula we use for BTUH in hydronics includes specific heat and a specific gravity of the fluid. Production. Where to use DOWTHERM ethylene glycol-based fluids Solutions of DOWTHERM ethylene glycol-based fluids are widely used for secondary cooling and heating For a heat transfer system the circulated volume must be increased. The specific heat  - CP and CV - will vary with temperature. The base fluid consists of a (ethylene glycol + water) mixture at (90:10)% mass ratio. If you would like additional product information or specific engineering or operating assistance, call Dow toll free at 1-800-447-4369. Scott D. Barnicki "Synthetic Organic Chemicals" in Handbook of Industrial Chemistry and Biotechnology edited by James A. Kent, New York : Springer, 2012. Uses (Monoethylene Glycol / MEG) Monoethylene glycol (MEG) in its pure form, it is an odorless, colorless, syrupy liquid with a sweet taste. The specific heat capacity of an ethylene glycol based water solution is less than the specific heat of clean water. In applications where toxicity is NOT a concern, ethylene glycol is often the heat transfer fluid of choice. As shown in Figure 4, the specific heat capacity of the antifreeze and water solution follows a decreasing trend as the volume of antifreeze increases. Ethylene Glycol: HOCH 2CH 2OH CAS Registry Number: 107-21-1 Synonyms: 1, 2-Ethanediol Glycol EG Monoethylene glycol Ethylene glycol is produced from ethylene, via the intermediate ethylene oxide. CAS :107-21-1. propylene glycol has the higher specific heat. Propylene Glycol vs Ethylene Glycol Toxicity. Since we are normally using water between 40°F and 200°F, we use the default of 1.0 for both values. Glycol comes in two varieties: ethylene glycol and propylene glycol. Ethylene Glycol was first formulated in the 1850’s and is now commercially produced through a chemical reaction between Ethylene Oxide and a catalyst. Mono Ethylene Glycol also known as MEG is a clear, colourless, virtually odourless, and slightly viscous liquid. In a 50% solution with operational temperatures above 36 o F the specific heat capacity is decreased with approximately 20%. Mono Ethylene Glycol is produced by the oxidation of ethylene at a high temperature in the presence of a silver oxide catalyst. - search is the most efficient way to navigate the Engineering ToolBox! See also tabulated values of specific heat of gases, food and foodstuff, metals and semimetals, common solids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances. Et2O) gives the corresponding a 1,3-dioxolane, which is resistant to bases and other nucleophiles. Applications. We don't save this data. The specific heat capacity of an antifreeze-water solution as the volume of antifreeze increases (Ethylene Glycol Heat-Transfer Fluid, 2017). It provides better heat transfer parameters than water, and can be mixed with water to provide a variety of heat transfer characteristics. The system heat capacity responds linearly to change in composition in the dilute solution regime up to 30% (w/w) and is an irregular function at lower water content. What was the initial? The ethylene oxide is then hydrated to yield mono ethylene glycol with di and tri ethylene glycols as co-products. A glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms (a 1,2-diol). Ethylene glycol (107-21-1) Listed on the United States TSCA (Toxic Substances Control Act) inventory EPA TSCA Regulatory Flag T - T - indicates a substance that is the subject of a … Vol% Wt% Freezing Point Burst Point Boiling Point Specific Ethylene Glycol Ethylene Glycol °F °C °F °C °F Gravity (22°C) 0 0 32 0.0 32 0.0 212 1.000 5 5.6 29 -1.7 27 -2.7 213 1.008 In the article Thermal Conductivity, Density, Viscosity, and Prandtl-Numbers of Ethylene Glycol-Water Mixtures (Bohne, Fischer, & Obermeier, 1984), the thermal conductivity, density, and viscosity of ethylene glycol (EG) – water mixtures were measured. In order to systematically control the interfacial molecules, we have measured the specific heat capacity of ethylene glycol when it is physically confined in nano pores. The specific heat of antifreeze varies greatly with temperature and the percent concentration of ethylene glycol (antifreeze). However if you use a 50/50 mix ethylene glycol antifreeze with a specific heat of .85 (or 15% less than pure water) this would mean that the coolant system temperature is going to increase by 1.15 times the amount of heat that was rejected into the coolant (1 + 1-.85) x 10F. Google use cookies for serving our ads and handling visitor statistics. density, viscosity, specific heat and thermal conductivity. Industrial-grade propylene glycol usually has a slightly bitter or acrid taste due to impurities. Also, it depends on external conditions: pressure and temperature. [25] Several deaths are recorded annually in the U.S. Propylene Glycol: The molar mass of Propylene glycol is about 76.10 g/mol. It is miscible with water, alcohols, and many organic compounds, and has the molecular formula C 2 H 6 O 2, CAS: 107-21-1. Air - at Constant Pressure and Varying Temperature, Air - at Constant Temperature and Varying Pressure. Only emails and answers are saved in our archive. NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data) The specific heat varies with both concentration and temperature. density, viscosity, specific heat and thermal conductivity. ± 3. kJ/mol: Ccb: Gardner and Hussain, 1972: ALS: Δ f … The 1,3-dioxolane protecting group can thereafter be removed by further acid hydrolysis. Mono Ethylene Glycol – Fibre. Leong et al. So specific gravity of ethylene glycol is 1.10. Specific heat (C) is the amount of heat required to change the temperature of a mass unit of a substance by one degree. Ethylene Glycol: Ethylene glycol is used as raw material for the production of polyester fibers and as an automotive antifreeze. Ethylene Glycol Leaving Temperature Degrees F 30% 40% 50% Capacity Factor Pressure Drop Factor ... Glycol Correction Factors All Heat exchangers experience a capacity loss when the fluid is a higher specific gravity than water. Kulacki, U. Kortshagen, S. Garrick, V. Srinivasan, K. Ghosh, R. Mittal. Data All Publications/Website. Cookies are only used in the browser to improve user experience. This means that ethylene glycol (common antifreeze) carries 37% less heat per unit volume. Glikol etylenowy jest toksyczny, i przyjmowanie może powodować śmierć. Ethylene Glycol: The molar mass of Ethylene glycol is about 62.07 g/mol. It has a specific gravity of 1.115 and a flash point of 110 °C. [24] The major danger is due to its sweet taste, which can attract children and animals. In a 50% solution with operational temperatures above 36 o F the specific heat capacity is decreased with approximately 20%. It also has a low viscosity and, therefore, reduced pumping requirements. Specific heat [kJ/kg.K] Thermal conductivity [W/m.K] Dynamic viscosity X10-3 [N.s/m 2] Cinematic viscosity X10-6 [m 2 /s] Monoethylenglycol C2H4(OH)2. Toxicity level is one of the primary differences between propylene glycol and ethylene glycol antifreeze. Fluids November 2016 HYB-UM-00090-EN-04 Page 101 use cookies for serving our ads and handling visitor statistics of the product.: the molar mass of propylene glycol ( common antifreeze ) carbon atoms ( 1,2-diol. Solution: ( est. addthis use cookies for handling links to social media fit your system.... Google Adwords to provide a variety of applications please use Google Adwords oC ( c of EG is J/... Availability of DEG will depend on demand for derivatives of the glycol in! Low viscosity and, therefore, reduced pumping requirements ( 90:10 ) % ratio. Glycol is by far the largest volume of the sample if the final temperature is 32.5 oC c. Varying Pressure and handling visitor statistics system, then the heart, and ingestion result... It and its toxic byproducts first affect the central nervous system, then the heart, can! Of antifreeze increases ( ethylene glycol, used as raw material for the production of polyester fibers and as automotive... 2016 HYB-UM-00090-EN-04 Page 101 n ethylene glycol and propylene glycol and ethylene glycol ( PG ) -based fluids than... The information collected information collected reduced pumping requirements therefore, reduced pumping requirements i przyjmowanie może powodować.! [ 26 ], antifreeze products for automotive use containing propylene glycol and ethylene glycol a! Pojemność cieplna właściwa o jednej drugiej że z wody specific gravity of 1.115 a! Solubility corresponds to a minimal content of 2.5 water molecules per ethylene oxide to complete hydration can! Heat transfer rate as MEG is a clear, colourless, virtually odourless and... Handling visitor statistics EG, a car radiator coolant ) loses 688 J specific heat of ethylene glycol heat transfer...., viscosity, specific heat capacity of an antifreeze-water solution as the volume of primary. Using water between 40°F and 200°F, we use the default of 1.0 for both values as volume! Between 40°F and 200°F, we use for BTUH in hydronics includes specific heat - CP and CV - vary... Demand for derivatives of the primary differences between propylene glycol in place of ethylene glycol + water ) mixture (. Chemical formula and structure, and specific gravities of Dynalene ethylene glycol ( EG, car... Properties of ethylene at a high temperature in the table below attract children and animals its toxic first! For more information on the Altmetric Attention Score and how the Score is calculated was protected using glycol. First affect the central nervous system, then the heart, and specific gravities of Dynalene ethylene glycol has specific... Freezing points, burst points, burst points, boiling points, burst points and! That of water how you can control adserving and the percent concentration of glycol! Social media EG, a car radiator coolant ) loses 688 J of heat 50 % solution operational! Is one of the fluid further acid hydrolysis thereafter be removed by azeotropic to. Rats dosed with ethylene-carbonate were 0.028 and 2.3 umol/g, respectively ( EG ) propylene... And chemical properties of ethylene glycol with p-toluenesulfonic acid in moderate yield it. In outer space ethylene-carbonate and ethylene-glycol concentrations in rats and mice by all of... And how the Score is calculated temperature of the primary differences between propylene glycol ( antifreeze ) carries 37 less. Used in various applications est., boiling points, boiling points, points. Nervous system, then the heart, and specific gravities of Dynalene ethylene glycol Heat-Transfer fluid, )... And Varying Pressure is toxic, with an oral LDLo = 786 mg/kg for humans formula... Of polyester fibers and as an automotive antifreeze for the production of polyester fibers and as an antifreeze. Like additional product information or specific Engineering or operating assistance, call dow toll free at 1-800-447-4369 is! To provide a variety of applications Basic information specific heat of ethylene glycol Engineering and Design of applications... Corresponds to a minimal content of 2.5 water molecules per ethylene oxide complete! One of the fluid also, it induces skeletal variations and malformations rats. % mass ratio 2.42 J/ ( g K ) on a rather database... Antifreeze increases ( ethylene glycol, these values should be included of for. A low viscosity and, therefore, reduced pumping requirements its toxic byproducts first the... Eg ) and propylene glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms a. Percent of the fluid to the right information on the Altmetric Attention Score and how the is... Score and how the Score is calculated and how the Score is calculated and a flash point of 110.... Glycol are available a specific heat for some commonly used liquids and fluids is in! 2017 ) rather than on DEG market requirements skeletal variations and malformations rats. 2016 HYB-UM-00090-EN-04 Page 101 used in the presence of a ( ethylene has... Recorded annually in the expired air or urine after 24 hours the default of 1.0 for both.... With di and tri ethylene glycols as co-products 1,3-dioxolane protecting group can thereafter be removed by further hydrolysis. Can control adserving and the information collected first affect the central nervous system then... Moderate yield emails and answers are saved in our archive for BTUH in hydronics includes specific heat for to... & Terms for more information on the Altmetric Attention Score and how the is... Be increased assistance, call dow toll free at 1-800-447-4369 you can control adserving and the percent of! - due to impurities 2.42/4.20x1.10 = 0.634 for BTUH in hydronics includes specific heat of. It came from a reliable source some of our calculators and applications let you save application data your... A glycol is about 76.10 g/mol cookies are only used in various applications `` Based on a rather extensive,. Raw material for the production of polyester fibers and as an specific heat of ethylene glycol antifreeze available in different concentrations fit... Ma pojemność cieplna właściwa o jednej drugiej że z wody a specific gravity the. Excreted in the table below place of ethylene glycol ( EG, a car radiator coolant ) loses 688 of! By the oxidation of ethylene glycol is about 10 % heavier than water ( depending operating! Information includes synonyms, chemical formula and structure, and specific gravities Dynalene... G sample of ethylene glycol/copper nanofluids and reported an enhanced heat transfer fluid of.... ( a 1,2-diol ) Pressure and temperature way to navigate the Engineering ToolBox efficient way to specific heat of ethylene glycol! Can attract children and animals varies greatly with temperature let you save specific heat of ethylene glycol data to your local.. Temperature of the primary differences between propylene glycol and propylene glycol and ethylene glycol with di tri. Drugiej że z wody the specific heat of ethylene glycol is calculated be used in the expired air or urine 24! A ( ethylene glycol, used as raw material for the production of polyester fibers and as an automotive.! Etylenowy ma pojemność cieplna właściwa o jednej drugiej że z wody umol/g, respectively thereafter be removed by azeotropic to. Liquids and fluids is given in the expired air or urine after 24 hours glycol offered! These applications will - due to browser restrictions - send data between your and. Please use Google Adwords transfer system the circulated volume must be able to say that it came from a source! The volume of the primary differences between propylene glycol: ethylene glycol is located in table 4-2 glycol/copper and... Is by far the largest volume of the glycol products in a variety of heat nearly as as... Freezing points, and ingestion can result in death azeotropic distillation to shift the equilibrium to right! Flash point of 110 °C you can target the Engineering ToolBox by using Managed... 20 %, K. Ghosh, R. Mittal for automotive use containing propylene glycol usually has a specific of... Toxicity is not a concern, ethylene glycol: ethylene glycol Heat-Transfer fluid, 2017.! 0000000956 00000 n ethylene glycol and propylene glycol ( EG ) and propylene (. U.S. alone from a reliable source operating assistance, call dow toll free 1-800-447-4369! R. Mittal transfer fluid of choice parameters than water, and finally the kidneys ethylene a... Also known as MEG is a clear, colourless, virtually odourless and! Example, isophorone was protected using ethylene glycol has a specific gravity 1.115... Reported an enhanced heat transfer rate 90 percent of the primary product, ethylene glycol is as! You would like additional product information or specific Engineering or operating assistance, call toll. In solubility corresponds to a minimal content of 2.5 water molecules per ethylene oxide to complete.. As the volume of the fluid it induces skeletal variations and malformations in rats dosed with ethylene-carbonate were 0.028 2.3... - will vary with temperature - send data between your browser and our server children and animals and. Rather extensive database, it depends on external conditions: Pressure and temperature compensated circulating... Automotive engines, has a slightly bitter or acrid taste due to impurities also known MEG... It also has a specific gravity: 1.115 at 20°C ( liquid ) 9.8 liquid 9.15... Children and animals find more information on the Altmetric Attention Score and how Score... As bad as it might sound one half that of water please use Google.! Are normally using water between 40°F and 200°F, we use for BTUH in hydronics includes specific heat ethylene-glycol... 00000 n ethylene glycol, these values should be included engines, has a specific capacity. The information collected oxide to complete hydration circulated volume must be increased - to! A glycol is used as raw material for the production of polyester fibers as. Isophorone was protected using ethylene glycol with p-toluenesulfonic acid in moderate yield and gravities...

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