The highest yields of ethylene glycol occur at acidic or neutral ph with a large excess of water. It has also been used in making plastic bottles and films, in deicing fluids for aircraft. Union carbide is based on its ability to lower the freezing point produces ethylene glycol at several sites. Epa has not classified ethylene glycol for carcinogenicity. A glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms a 1,2diol. Densities and volumetric properties of ethylene glycol. Ethylene glycol is similar in structure to glycerol. It is used to make antifreeze and deicing solutions for cars, airplanes, airport runways, and boats. Glycerol is a c3 triol and ethylene glycol is also a polyol, but a c2 diol. Ethylene glycol manufacture technology free library.
The end uses for ethylene glycol are numerous see table 1. Firstaid measures eyes in case of eye contact, rinse with plenty of water and seek medical attention. Mechanical and viscoelastic properties of cellulose. Ethylene glycol heattransfer fluid engineering toolbox. This is a brief description of the properties of the ethylene glycol for industrial porpouses. The atsdr toxicological profile succinctly characterizes the toxicologic and adverse health effects information for the hazardous substance described here. Oh this reaction can be catalyzed by either acids or bases, or can occur at neutral ph under elevated temperatures. May 31, 2017 ethylene glycol is a colorless liquid that can be in the air in vapor form. Material safety data sheet ethylene glycol mono ethyl ether.
Human health aspects please note that the layout and pagination of this pdf file are not necessarily identical to the hard copy first draft prepared by r. Ethylene glycol is widely used to inhibit the formation of natural gas clathrates hydrates in long multiphase pipelines that convey natural gas from remote gas fields to a gas processing facility. Sigmaaldrich offers a number of polyethylene glycol products. To study the behavior of these mixtures, the density f. Although ethylene glycol has two alcohol groups, its main application is as the main ingredient in antifreeze and not for fuel purposes. Engineering and operating guide for dowtherm sr1 and. Monoethylene glycol can be used as an intermediate. Toxicological profile for ethylene glycol agency for toxic substances. Experimental results, excess and partial molar volumes. In the present work, we report the density of binary mixtures containing ethylene glycol eg, diethylene glycol.
It is also used in hydraulic brake fluids and inks used in stamp pads, ballpoint pens, and print shops. Page 1 of 11 msds t ethylene glycol mono ethyl ether acetate material safety data sheet ethylene glycol mono ethyl ether acetate 1. Ethylene glycol is used in hydraulic brake fluids and inks for stamp pads, ballpoint pens, and print shops. Both components are linked by using a diisocyanate hdmi, first by end. Ethylene glycol, also called ethane1,2diol, the simplest member of the glycol family of organic compounds. Ethylene glycol is a key ingredient in automotive antifreeze and coolant, to help keep a cars engine from overheating and from freezing in the winter. It is also used in hydraulic brake fluids and inks used in. Ethylene glycol material safety data sheet cas no 107. Identification product name ethylene glycol mono ethyl ether acetate cat no. It may also be used as a solvent in the preparation of tris 2,2. All dynalene ethylene glycol products can be blended to any concentration, sold as a concentrate, or customized based on the requirement of the customer dye, ph, inhibitor, packaging, etc.
Meek, health canada, ottawa, canada published under the joint sponsorship of the united nations environment programme, the. Pdf thermophysical properties of ethylene glycolwater. The conversion factors for airborne ethylene glycol at 101. Information on other physical chemical properties of ethylene glycol is included in the international chemical safety card icsc 0270 reproduced in this document. Ethylene glycol concentration500mgl or presence of severe metabolic acidosis, renal failure, severe electrolyte imbalance, or generally deteriorating.
Information regarding the physical and chemical properties of ethylene glycol is located in table 42. Synthesis of pentacoordinate silicon complexes from sio2 pdf. Ethylene glycol 5000 lb california proposition 65 this product does not contain any proposition 65 chemicals component casno california prop. Indeed, owing to its unique properties and versatile commercial applications, a variety of chemical systems e. Ethylene glycol is a synthetic liquid substance that absorbs water.
The common name ethylene glycol literally means the glycol derived from ethylene. Ethylene glycol and propylene glycol have similar physical properties and uses. All atsdr toxicological profile pdf files are electronic conversions from paper copy or other electronic ascii text files. Thermophysical properties of ethylene glycolwater mixture. Most corrosion from ethylene glycol is due to the decomposition to organic acids such as glycolic acid at higher temperatures. Inhalation move casualty to fresh air and keep at rest. Ethylene glycol is a colorless liquid that can be in the air in vapor form. Ethylene glycol is also commonly used in heating applications that temporarily may not be operated cold in surroundings with freezing conditions such as cars and machines with water cooled engines. Thermophysical properties of ethylene glycolwater mixture containing silver nanoparticles article pdf available in journal of mechanical science and technology 303. Removes ethylene glycol and glycolate effectively indications.
T b k melting enthalpy h sl kjkg boiling enthalpy h lv kjkg density mass. Ethylene glycol material safety data sheet cas no 107211. Material safety data sheet ethylene glycol mono ethyl. Ethylene glycol can be recovered from the natural gas and reused as an inhibitor after purification treatment that removes water and inorganic salts. Other important uses of ethylene glycol include heat transfer fluids used as industrial coolants for gas compressors. Aluminum alloy corrosion in the presence of ethylene glycol is presumed to be the result of acidic attack of these acids. Properties of ethylene glycol ethylene glycol is specifically. A new hydrogel that combines polyethylene glycol and. A guide to glycols 8 properties units propylene glycol dipropylene glycol tripropylene glycol density gcm3, 77f25c 1. Physical properties the chemical formula for ethylene glycol is c 2 h 6 o 2, and its molecular weight is 62. The physical properties of ethylene glycolwater mixtures are therefore extremely important.
Loading dose is 15mgkg in 100 mls of ns or d5w infused over 30 minutes next 10mgkg every 12 hours for two days next 15mgkg every 12 hours until the ethylene glycol level is less than 2 and pt. However, ethylene glycol can also be produced by pyrolysis of biomass. Ethylene oxide reacts with water to produce ethylene glycol according to the chemical equation. The thermo physical properties such as thermal conductivity, viscosity, density and specific heat are measured using kd2 pro thermal properties analyser, capillary viscometer, electronic weighing balance and differential scanning calorimeter respectively. Health information summary ethylene glycol is a colorless and odorless liquid used in antifreeze for cooling and heating systems. Ethylene glycol based water solutions are common in heattransfer applications where the temperature in the heat transfer fluid can be below 32 o f 0 o c. Applications propertiescharacteristics applicationsuses. Epa has not classified the glycol ethers for carcinogenicity. Due to its demand and a vast application area lot of research is going on for improving its production statistics. Electrical conduction of the ethylene glycol when heated in the hv electric field to cite this article. It has low vapor pressures at room temperature and, therefore, low potential for significant inhalation exposure.
Inhibited ethylene glycolbased heat transfer fluids. A simple and effective method to ameliorate the interfacial properties of cellulosic fibre based biocomposites using poly ethylene glycol based amphiphiles. It is a generally recognized as safe gras listed compound used in the food processing industry as an additive to keep foods from drying out and as a solvent for food colors and flavors. Other important uses of ethylene glycol include heat transfer fluids used as industrial. Unlike ethylene glycol, propylene glycol has no taste. Electrical conduction of the ethylene glycol when heated.
Monoethylene glycol meg monoethylene glycol meg in its pure form, it is an odorless, colorless, syrupy liquid with a sweet taste. Mar 12, 2016 in the present work, we report the thermophysical properties of ethylene glycol and water mixture based silver nanofluids. State righttoknow regulations component massachusettsnew jersey pennsylvania illinois rhode island ethylene glycol. Central drug house p ltd 728 vardaan house new delhi2. Petro rabigh produces 600 kta of mono ethylene glycol meg through the most uptodate process and sells only in bulk quantities via petro rabigh terminal. Related content improvement of thermal properties of water and ethylene glycol by metallic and ceramic dispersion.
Typical properties, not to be construed as specifications. Electrical conduction of the ethylene glycol when heated in. Cellosolve acetate recommended use laboratory chemicals. Ethylene glycol is a chemical commonly used in many commercial and industrial applications including antifreeze and coolant. Ethylene glycol is a clear, colorless, odorless, sweettasting liquid. Ethylene glycol manufacture technology from ethylene. Monoethylene glycol meg, also known as ethylene glycol eg or simply glycol, is a diol mostly used for the production of polyester fibers and polyethylene terephthalate pet resins. Ethylene glycol may be used in the preparation of spiroborate esters by reacting with chiral 1,2aminoalcohols in the presence of triisopropyl borate.
A guide to glycols 8 sep 26, 2019 agency for toxic substances and disease registry atsdr. Inhibited ethylene glycolbased heat transfer fluid saturation properties of dowtherm 4000 fluid at 30% ethylene glycol concentration by volume. Ethylene glycol is the most common antifreeze fluid for standard heating and cooling applications. It has also been proposed that ethylene glycol can be produced from biomass like cellulose and. Indeed, owing to its unique properties and versatile commercial applications. Ethylene glycol is oxidized by alcohol dehydrogenase in the presence of nad to glycoaldehyde, which is then rapidly oxidized to glycolate. Propylene glycol is also used to make polyester materials and in deicing fluids. Ethylene glycol eg is an important organic compound and chemical intermediate used in a large number of industrial processes e. Ethylene glycol is nowadays one of the most industrially important chemical.
Pdf ethylene glycol properties david salcido academia. Physical properties the glycol ethers are colorless liquids with a slight odor. Ethylene glycol gives industrial coolants properties that help them flow through cooling systems while withstanding extreme hot and cold temperatures. In 1995 the world capacity for ethylene glycol was about 9. Volumetric properties of aqueous solutions of ethylene glycols in. The physical properties distribution system of plants, terminals, ware of ethylene glycolwater mixtures are therefore houses, tankers, barges, tankcars, and trucks helps extremely important. Department of health and human services, public health service. Ethylene glycol is used to make antifreeze and deicing solutions for cars, airplanes, and boats. Other pertinent literature is also presented, but is described in less detail than the key studies. Dynalene eg series dynalene offers the following four ethylene glycolbased heat transfer fluids. Safety data sheet northwest missouri state university. Ethylene glycol is the major component of antifreeze preparations. Although the physical properties of the two compounds are very similar, propylene. Ethylene glycol helps keep your cars engine from freezing in the winter and acts as a coolant to reduce overheating in the summer.
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