Propylene glycol is unique among the glycols in that it is safe for humans to take internally. When ethylene oxide is processed further, it forms a sweet tasting colorless liquid called ethylene glycol monoethylene glycol meg. Show this safety data sheet to the doctor in attendance. Finally, ethanol solutions often require manual filtration by pharmacy. Ethylene glycol is a toxic alcohol, meaning that although chemically it is similar to ethanol the active component of alcoholic beverages, it is much more poisonous if consumed. Ethylene glycol industrial ethylene glycol meglobal glycol solv ethylene glycol, section 4. The reference density of water at this temperature is 62. Tetraethylene glycol solutions at various pressures. It is also used in antifreeze applications and in pharmaceuticals and cosmetics. Ethylene glycol water of 70%30% it would be necessary to determine the density of the ethylene glycol water mixture and water alone at that temperature. Ntpcerhr monograph on the potential human reproductive and developmental effects of ethylene glycol. This reaction can eas ily be reversed in a variety of con ditions. Diethylene glycol deg is a sweettasting, colorless, nonodoriferous, hygroscopic liquid commonly used in the commercial preparation of antifreeze, brake fluid, cigarettes, and some dyes.
Ethylene glycol based fluids are less viscous than propylene glycol based fluids. Polymerization of ethylene oxide is an exothermic process. A guide to glycols 10 glycol based solutions can give excellent burst protection across a wide range of cold temperatures as indicated in figure 1. Workers may be harmed from exposure to ethylene glycol. Ethylene glycol egbased nanofluids as a coolant for. In its correspondence with dtsc, sterigenics did not identify the name of the recycling facility in texas where the waste ethylene glycol solution is sent. The raw materials to a free standing glycol plant are refined ethylene oxide and pure water. Redox is a leading distributor of chemicals and ingredients, active in more than 1,000 specialty and commercial products. Ethylene glycol has a halflife of 38 hours, whereas methanol has a halflife of 23 hours. Possibility of hazardous reactions not established. The national fire protection association has assigned a flammability rating of 1 slight fire hazard to ethylene glycol. Because it is readily biodegradable, ethylene glycol. The icis ethylene glycol report is published weekly in asia, europe, us and china. Ethylene glycol bdhi 1251 lp, bdhi 1254lp, bdhi 1254lg version i reproductive toxicity reproductive toxicity additional advice revision date 03262009 mouse no toxicity to reproduction rat no toxicity to reproduction acute toxicity print date 0201 2011 can cause kidney toxicity, narcotic effects and metabolic acidosis.
The freezing points of these ethylene glycol fluids go through a minimum and thus give maximum freeze protection at a concentration of about 65% ethylene glycol. The use of methyldiethanolamine mdea as a ph stabilizer in natural gas pipelines utilizing mono ethylene glycol meg injection is an attractive option in systems with high carbon dioxide co2. Overheating or contaminating ethylene oxide with catalysts such as alkalis or metal oxides can lead to runaway polymerization, which can end in an explosion after a few hours. Meek, health canada, ottawa, canada published under the joint sponsorship of the united nations environment programme, the. Ethylene glycols technology robert fulton dye 3011 fairway drive, sugar land, tx 77478, usa abstract. Ethylene glycol information update ethylene glycols considerations against use in theatrical fogsmist and artificial smoke ethylene glycols1 are sometimes used in the production of mists and fogs for theatrical productions and generation of artificial smoke for educational purposes or amusement.
Propylene glycol dipropylene glycol1 tripropylene glycol1 propylene glycols glycols chemistry centers on the two hydroxyl oh. Pdf ethylene glycol, hazardous substance in the household. On the other hand, ethylene glycol, ethylene glycol monopropyl ether. This is the most widely used technology for ethylene glycol plants in the world. Ethylene glycol can also be found, in lower concentrations, in some windshield deicing agents, hydraulic brake fluid, motor oils, solvents, paints, film processing solutions, wood stains, inks, printer cartridges, etc. Other measurement strategies, for example weighted averaging, are vulnerable to random variation in transaction levels and volume, which can give rise to distortions.
Ethylene glycol ethers national toxicology program. Consideration should be given to having appropriate expansion space for the solution and to the need for an inhibited glycol based product such as dowfrost. It can harm the eyes, skin, kidneys, and respiratory system. Just finish the boat as if you didnt even use eg and youll be fine. Ethylene glycol in hindi friends you can help me in my life journey through out the paytm my paytm number is 9027282381. Al2o3 dispersed in water ethylene glycol mixtures as coolant in a carbon graphite pem fuel cell cooling plate. Acute shortterm exposure of humans to ethylene glycol by ingesting large quantities causes three stages of health effects. Mono ethylene glycol meg industry is segmented by technology, function chemical intermediate, solvent coupler, solvent, and humectant, application polyester fiber, pet products, antifreeze coolant and industrial and region global mono ethylene glycol market estimated to be rigged with a significant growth by 2025. The glycol feed stripper bottoms going to the glycol reactor is preheated and flows through a 24 pipe reactor 633 long. We have compiled a list of ethylene glycol product suppliers in australia. The reaction of the ethylene oxide and water to form ethylene glycol is a noncatalytic reaction. However, in applications where toxicity is a concern. Propylene glycol intended for human use is designated as usp grade and is commonly found in foods, pharmaceuticals.
The information contained herein is, to the best of our knowledge and belief, accurate. Ethylene glycol in the environment when released to the environment, ethylene glycol is expected to partition to surface water and groundwater. Solutions of both ethylene glycol eg and propylene glycol pg will effectively lower the freezing point of water and for most applications can be used interchangeably or even as mixtures of the two. Shrapnel from the explosion fractured the windows to the. Mono ethylene glycol meg is an essential component used as raw material in diverse industrial processes such as the manufacture resins, polyester, fibers and various types of films.
Ethylene glycol concentrated chemworld ethylene glycol 5 gallons. Ethylene glycol can be found on page four of the 72. December 23, 2014 the dow chemical company page 3 of 6 because ethylene glycol monohexyl ether is partially water soluble, once introduced to water, it will tend to remain dissolved in water. Ethylene glycol safety data sheet according to federal register vol. Ethylene glycol manufacture technology from ethylene. Ethylene glycol can be recovered from the natural gas and reused as an inhibitor after purification treatment that removes water and inorganic salts. Therefore, they generally provide superior heat transfer efficiency and better low temperature performance and are preferred for most heat transfer applications. A guide to glycols 4 the structural formulas of the propylene glycols commercially produced by dow are. It is an excellent solvent for many relatively insoluble substances. The extraction of glycols from water using envicarb plus. They offer high solvency with low toxicity and encompass a range of alcohols, carboxylic acids, esters, glycols, glycol ethers and ketones used in coatings, cosmetics, cleaners and heat transfer fluids, among many other. Ethylene oxide in air can be determined by packed column gas chromatography gc.
Ethylene glycol was first used industrially in place of glycerol during world war. Jun 27, 20 ethylene glycol is a clear liquid used in antifreeze and deicing solutions. Full text get a printable copy pdf file of the complete article 780k, or click on a page image below to browse page by page. The level of exposure depends upon the dose, duration, and work being done. Dissolved in water, a molecule of formaldehyde which is a gas at room temperature reacts with a molecule of water to form meth ylene glycol. The clinical course of ethylene glycol poisoning usually follows a. The addition of more water will then begin to increase the freezing point. Ethylene glycol and methanol are both readily absorbed from the gut e. It is a colorless liquid which has a syruplike consistency. The common name ethylene glycol literally means the glycol derived from ethylene. This compound is produced from the hydration of eo which may produce in addition to ethylene glycol diethylene glycols and triethylene glycols. 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 ethylene glycol and glycoaldehyde glycoaldehyde increase serum osmolarity occurs early on, may disappear later as ethylene glycol and glycoaldehyde glycoaldehyde are metabolized. Thermal properties of ethylene glycol aqueous solutions.
Ethylene glycol has become one of the worlds important industrial chemicals. Substantial amounts of ethylene glycol were removed by the dialysis fluid and the child made a complete physical and mental recovery. Ethylene glycol, also called ethane1,2diol, the simplest member of the glycol family of organic compounds. Experimental investigation of al2o3 water ethylene glycol. Experimental studies on toxicity of ethylene glycol alkyl ethers in. However, the average recovery of 55% for ethylene glycol was still sufficient to detect it from the spiked samples. Propylene glycol, on the other hand, does not exhibit this decreasing and. Ethylene glycol is not a primer, sealer, coating or drying agent. Ethylene glycol, a sweettasting, odorless liquid, is the active ingredient in antifreeze.
Ethylene glycol is a clear, colorless syrupy liquid. Challenges in the diagnosis of ethylene glycol poisoning. This is a brief description of the properties of the ethylene glycol for industrial porpouses. 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. The conversion factors for airborne ethylene glycol at 101. Iis has adopted this weeks range methodology for ethylene glycol reports based on several decades of market observation and feedback. Ethylene glycol 107211 hazard summary ethylene glycol has many uses, including as antifreeze in cooling and heating systems, in hydraulic brake fluids, and as a solvent. Ethylene glycol is widely used as an industrial organic intermediate. Product safety assessment ethylene glycol monohexyl ether. Sigmaaldrich offers a number of poly ethylene glycol products. Shell indicated that it had selected its technology for the proposed plant because of its reputation for safe and reliable operation and its minimized waste streams. Since eo is very reactive and hazardous to handle and ship. Autonomic dysfunction as a delayed sequelae of acute ethylene. Methylene glycol in hair straighteners european commission.
Pdf ethylene glycol is a colorless, odorless, sweettasting but poisonous type of alcohol found in many household products. Ethylene glycol is an colorless, odorless liquid completely miscible with water and many organic solvents. In1995,its production volume ranked it among one of the top twenty organic chemicals in the united states. Challenges in the diagnosis of ethylene glycol poisoning david j mcquade1,2, paul i dargan2,3 and david m wood2,3 abstract ethylene glycol poisoning, while uncommon, is clinically significant due to the associated risk of severe morbidity or lethality and it continues to occur in many countries around the world. Chemtrec 8004249300 outside usa 7035273887 1216 6th ave n. A glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms a 1,2diol. Table 5 gives a breakdown by percentage for the principal uses of propylene glycol in the united states. After applying it you should give the wood plenty of time to dry out before using adhesives, finishes or sealants. Although ethylene glycol has two alcohol groups, its main application is as the main ingredient in antifreeze and not for fuel purposes. The effluent from the glycol reactor goes to the evaporator section to remove the water. The global ethylene glycols market demand was 16,511. While there are many minor variations in the properties between eg and pg solutions, there are two key differences which usually. Meg is the most widely used glycol in the global market.
Process economics program report 2i ethylene glycol. Ethylene glycol poisoning in dogs vca animal hospital. Toxic gases such as carbon monoxide will release in a fire from burning ethylene glycol. Ethylene glycol eg is a colorless, odorless, bittersweettasting liquid that has many household and commercial uses. Glycerol is a c3 triol and ethylene glycol is also a polyol, but a c2 diol. Mono ethylene glycol meg market size, share, price, trends. Under these conditions, ethylene glycol yields of 90% can be achieved. Overview of ethylene glycol toxicity toxicology merck. Ethylene glycol is not likely to volatilization from moist soil or water surfaces. Naphtha with steam is fed into a cracker unit where ethylene and other coproducts such as propylene, butadiene, benzene, etc. Both compounds exist in equilibrium and are constantly and rapidly transformed into each oth er. Because of the hygroscopic nature of the amine residues and the existence of ions. The flamegard 5 uvir and flamegard 5 msir are mounted on a moving cart on wheels with 10. A propane torch is used to heat up the fuel to its flash point.
When possible, employers must use engineering and administrative controls rather than personal protective equipment to prevent overexposures. We search the world and bring only the highest quality materials to customers throughout australia, new zealand, malaysia and the united states of america. Immediate steps should be taken to limit its spread to the environment. However, since the conditions of handling and use are beyond our control, we make no. The businesses listed that supply ethylene glycol for sale have a genuine australian presence and include. Ethylene glycol has been found in at least 37 of 1,699 national priorities list sites identified by the environmental protection agency epa. Ethylene glycol has high mobility in soil and the potential to leach to ground water. All animals are susceptible to ethylene glycol eg toxicity, but it is most common in dogs and cats. It is used primarily as an antifreeze and in the manufacture of polyester fiber and film.
These are mixed with recycle waters and pumped into the hydration reactor after being preheated by the exit product stream. If looking for a particular ethylene glycol to purchase, simply use the search box, then use the suppliers website link for more information or prices. These 95% commercial antifreeze preparations are diluted 50% with water when used in vehicle cooling systems. Ethylene glycol eg is an important organic compound and chemical intermediate used in a large number of industrial processes e. Safety data sheet ethylene glycol deep south chemical, inc. Oxygenated solvents are organic solvents containing oxygen molecules, created through chemical reactions from olefins.
Convectional heat transfer fluids such as water, minerals oil and ethylene glycol play an important role in many industrial sectors including power. Polyethylene oxide, or highmolecular weight polyethylene glycol, is synthesized by suspension polymerization. Ethylene glycol as a wood preservative boat design net. Ethylene glycol eg or monoethylene glycol meg, the adduct of ethylene oxide eo and water, is the simplest glycol. Ethylene glycol is commonly used as an antifreeze agent. Spot prices are for chinas import and domestic market as well as information on monthly contract settlements in china. This product is used to markedly reduce the freezing point of water. The widespread use of ethylene glycol as an antifreeze is based on its ability to lower the freezing point when mixed with water. Since it is a liquid it can easily penetrate the soil and contaminate groundwater and nearby streams. Sep 30, 2015 the simplified diagram below shows the main method of making mono ethylene glycol meg from naphtha, a product mainly derived from crude oil. Ethylene glycol price report compliance and methodology. Ethylene glycol and water page 6 of 6 10920 madison avenue cleveland, ohio 44102 216 2811100 fax 216 2810228.
Ethylene glycol ethylene glycol intercool op100 industrial inhibitors intercool op100 contains industrial grade inhibitors to provide longer service life, superior performance, and resistance to biological growth in the system. In asia, monoethylene glycol meg is reported realtime daily and weekly. Information on other physicalchemical properties of ethylene glycol is included in the international chemical safety card icsc 0270 reproduced in this document. Sigma brand products are sold through sigmaaldrich, inc. Xxx0207x crcg 2 sids initial assessment report for siam 18, siar ethylene glycols, paris, france, january 26, 2007 3 triethylene glycol material safety data sheet, the dow chemical company, id no. May be ordered in multiple colors for product identification and leak. This allowed a flammable mixture to enter an ethylene oxide destruction unit. Nearly all ethylene glycol eg is made from ethylene oxide eo by thermal hydration. 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. June 4, 2014 the dow chemical company page 5 of 5 references 1 triethylene glycol, the dow chemical company, form no.
Most intoxications are associated with ingestion of antifreeze, which is typically 95% eg. Ethylene glycol is similar in structure to glycerol. Nioshtic2 search results on ethylene glycolnioshtic2 is a searchable database of worker safety and health publications, documents, grant reports, and journal articles supported in whole or in part by niosh. Ethylene glycol manufacture technology free library. Engineering and operating guide for dowfrost and dowfrost. It is the first of a homologous series of three dihydroxy alcohols discussed in this article. Ethylene glycol,12 ethanediol, hoch2ch2oh, usually called glycol, is the simplest diol. Ethylene glycol poisoning is a common form of poisoning worldwide. The primary hazard is the threat to the environment. Ethylene glycols market size, share industry analysis. Ethylene glycol, being the smallest, most polar and hydrophilic of the analytes, did not retain as well, and was detected in the unretained water that was passed through the cartridge. The ethylene oxide is thermally hydrolyzed to ethylene glycol with out any catalyst presence.
The presence of oxalate was not mentioned but in the patients see section 4. The use of meglobal ethylene glycol products meg, deg as a nonreacted component in adhesives, plasticizers, and softening agents for packaging that has direct contact with food or beverage is not supported by meglobal. The major byproducts are the ethylene glycol oligomers diethylene glycol, triethylene glycol, and tetraethylene glycol. Diethylene glycol an overview sciencedirect topics. American chemistry council acc, 2007, the ethylene oxide product stewardship guidance manual. The use of meglobal ethylene glycol products meg, deg as a non. For the purposes of this letter, dtsc will refer to that facility as the texas facility. Ethylene glycol eg ethylene glycol c 2h 4oh 2 is produced from ethylene oxide through a catalytic reaction with water at higher temperature resulting in a yield of mono ethylene glycol meg, known as glycol, and the byproducts di ethylene glycol deg and tri ethylene glycol teg. Process analytics in ethylene oxide and ethylene glycol plants. Water will dilute ethylene glycol to noncombustible mixtures ethylene glycol fuel is continuously burning on a 1x1 sq ft fire pan, and it is stationed at a fixed spot. Exposure to large amounts of ethylene glycol can damage the kidneys, nervous system, lungs, and heart.
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