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. The reaction of the ethylene oxide and water to form ethylene glycol is a noncatalytic reaction. The level of exposure depends upon the dose, duration, and work being done. Safety data sheet ethylene glycol deep south chemical, inc. The reference density of water at this temperature is 62. A glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms a 1,2diol. While there are many minor variations in the properties between eg and pg solutions, there are two key differences which usually. Information on other physicalchemical properties of ethylene glycol is included in the international chemical safety card icsc 0270 reproduced in this document. Overview of ethylene glycol toxicity toxicology merck.
Although ethylene glycol has two alcohol groups, its main application is as the main ingredient in antifreeze and not for fuel purposes. 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. Meg is the most widely used glycol in the global market. Most intoxications are associated with ingestion of antifreeze, which is typically 95% eg. Methylene glycol in hair straighteners european commission. Other measurement strategies, for example weighted averaging, are vulnerable to random variation in transaction levels and volume, which can give rise to distortions. Shrapnel from the explosion fractured the windows to the. Ethylene glycol egbased nanofluids as a coolant for. Process economics program report 2i ethylene glycol. Ethylene glycol is not a primer, sealer, coating or drying agent.
Toxic gases such as carbon monoxide will release in a fire from burning ethylene glycol. 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. Ethylene glycol can be recovered from the natural gas and reused as an inhibitor after purification treatment that removes water and inorganic salts. Exposure to large amounts of ethylene glycol can damage the kidneys, nervous system, lungs, and heart. Nearly all ethylene glycol eg is made from ethylene oxide eo by thermal hydration. Challenges in the diagnosis of ethylene glycol poisoning. 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.
May be ordered in multiple colors for product identification and leak. Polyethylene oxide, or highmolecular weight polyethylene glycol, is synthesized by suspension polymerization. June 4, 2014 the dow chemical company page 5 of 5 references 1 triethylene glycol, the dow chemical company, form no. The presence of oxalate was not mentioned but in the patients see section 4. Ethylene glycol manufacture technology free library. Substantial amounts of ethylene glycol were removed by the dialysis fluid and the child made a complete physical and mental recovery. Workers may be harmed from exposure to ethylene glycol. Possibility of hazardous reactions not established. Convectional heat transfer fluids such as water, minerals oil and ethylene glycol play an important role in many industrial sectors including power. 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 is similar in structure to glycerol. 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.
Ethylene glycol and water page 6 of 6 10920 madison avenue cleveland, ohio 44102 216 2811100 fax 216 2810228. On the other hand, ethylene glycol, ethylene glycol monopropyl ether. The clinical course of ethylene glycol poisoning usually follows a. Ethylene glycols market size, share industry analysis. Propylene glycol is unique among the glycols in that it is safe for humans to take internally. This reaction can eas ily be reversed in a variety of con ditions.
Immediate steps should be taken to limit its spread to the environment. Since eo is very reactive and hazardous to handle and ship. Ethylene glycol poisoning in dogs vca animal hospital. 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.
Ethylene glycol is not likely to volatilization from moist soil or water surfaces. Ethylene glycol has a halflife of 38 hours, whereas methanol has a halflife of 23 hours. Because it is readily biodegradable, ethylene glycol. 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. Sigma brand products are sold through sigmaaldrich, inc. 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. Finally, ethanol solutions often require manual filtration by pharmacy.
It is used primarily as an antifreeze and in the manufacture of polyester fiber and film. Mono ethylene glycol meg market size, share, price, trends. Ethylene glycol is an colorless, odorless liquid completely miscible with water and many organic solvents. 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. Thermal properties of ethylene glycol aqueous solutions. Jun 27, 20 ethylene glycol is a clear liquid used in antifreeze and deicing solutions. Tetraethylene glycol solutions at various pressures. Ethylene glycols technology robert fulton dye 3011 fairway drive, sugar land, tx 77478, usa abstract. 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. This compound is produced from the hydration of eo which may produce in addition to ethylene glycol diethylene glycols and triethylene glycols. These 95% commercial antifreeze preparations are diluted 50% with water when used in vehicle cooling systems. The primary hazard is the threat to the environment. 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. This is the most widely used technology for ethylene glycol plants in the world.
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. It can harm the eyes, skin, kidneys, and respiratory system. However, in applications where toxicity is a concern. Naphtha with steam is fed into a cracker unit where ethylene and other coproducts such as propylene, butadiene, benzene, etc. Ethylene glycol based fluids are less viscous than propylene glycol based fluids. Ethylene ethylene glycol and glycoaldehyde glycoaldehyde increase serum osmolarity occurs early on, may disappear later as ethylene glycol and glycoaldehyde glycoaldehyde are metabolized. Redox is a leading distributor of chemicals and ingredients, active in more than 1,000 specialty and commercial products. Ethylene glycol in hindi friends you can help me in my life journey through out the paytm my paytm number is 9027282381. Pdf ethylene glycol is a colorless, odorless, sweettasting but poisonous type of alcohol found in many household products. After applying it you should give the wood plenty of time to dry out before using adhesives, finishes or sealants. Ethylene glycol as a wood preservative boat design net. The major byproducts are the ethylene glycol oligomers diethylene glycol, triethylene glycol, and tetraethylene glycol. 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. Just finish the boat as if you didnt even use eg and youll be fine.
It is the first of a homologous series of three dihydroxy alcohols discussed in this article. Engineering and operating guide for dowfrost and dowfrost. Ethylene glycol is commonly used as an antifreeze agent. We have compiled a list of ethylene glycol product suppliers in australia. A propane torch is used to heat up the fuel to its flash point. Ethylene glycol industrial ethylene glycol meglobal glycol solv ethylene glycol, section 4. Meek, health canada, ottawa, canada published under the joint sponsorship of the united nations environment programme, the. Ethylene glycol manufacture technology from ethylene. Diethylene glycol an overview sciencedirect topics. 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 it is a liquid it can easily penetrate the soil and contaminate groundwater and nearby streams. A comparison of ethylene glycol and propylene glycol heat. It is an excellent solvent for many relatively insoluble substances. 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.
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. We search the world and bring only the highest quality materials to customers throughout australia, new zealand, malaysia and the united states of america. The flamegard 5 uvir and flamegard 5 msir are mounted on a moving cart on wheels with 10. 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. 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.
Spot prices are for chinas import and domestic market as well as information on monthly contract settlements in china. The glycol feed stripper bottoms going to the glycol reactor is preheated and flows through a 24 pipe reactor 633 long. Al2o3 dispersed in water ethylene glycol mixtures as coolant in a carbon graphite pem fuel cell cooling plate. The common name ethylene glycol literally means the glycol derived from ethylene.
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. It is also used in antifreeze applications and in pharmaceuticals and cosmetics. 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. These are mixed with recycle waters and pumped into the hydration reactor after being preheated by the exit product stream. The widespread use of ethylene glycol as an antifreeze is based on its ability to lower the freezing point when mixed with water. The businesses listed that supply ethylene glycol for sale have a genuine australian presence and include. Ethylene glycol eg or monoethylene glycol meg, the adduct of ethylene oxide eo and water, is the simplest glycol. 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. Ethylene glycol is a clear, colorless syrupy liquid. Ethylene glycol eg is a colorless, odorless, bittersweettasting liquid that has many household and commercial uses. The ethylene oxide is thermally hydrolyzed to ethylene glycol with out any catalyst presence.
The use of meglobal ethylene glycol products meg, deg as a non. 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. However, the average recovery of 55% for ethylene glycol was still sufficient to detect it from the spiked samples. 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. Ethylene glycol price report compliance and methodology. Ethylene glycol can be found on page four of the 72. Ntpcerhr monograph on the potential human reproductive and developmental effects of ethylene glycol. Experimental studies on toxicity of ethylene glycol alkyl ethers in.
For the purposes of this letter, dtsc will refer to that facility as the texas facility. Ethylene glycol has been found in at least 37 of 1,699 national priorities list sites identified by the environmental protection agency epa. Iis has adopted this weeks range methodology for ethylene glycol reports based on several decades of market observation and feedback. 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. Ethylene glycol eg is an important organic compound and chemical intermediate used in a large number of industrial processes e. Ethylene glycol in the environment when released to the environment, ethylene glycol is expected to partition to surface water and groundwater. The national fire protection association has assigned a flammability rating of 1 slight fire hazard to ethylene glycol. Sigmaaldrich offers a number of poly ethylene glycol products. Ethylene glycol has become one of the worlds important industrial chemicals. The global ethylene glycols market demand was 16,511. Ethylene glycol,12 ethanediol, hoch2ch2oh, usually called glycol, is the simplest diol.
This product is used to markedly reduce the freezing point of water. Because of the hygroscopic nature of the amine residues and the existence of ions. 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. 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.
Process analytics in ethylene oxide and ethylene glycol plants. It is a colorless liquid which has a syruplike consistency. Autonomic dysfunction as a delayed sequelae of acute ethylene. When possible, employers must use engineering and administrative controls rather than personal protective equipment to prevent overexposures. All animals are susceptible to ethylene glycol eg toxicity, but it is most common in dogs and cats. Glycerol is a c3 triol and ethylene glycol is also a polyol, but a c2 diol. Ethylene glycol safety data sheet according to federal register vol. When ethylene oxide is processed further, it forms a sweet tasting colorless liquid called ethylene glycol monoethylene glycol meg. Ethylene glycol poisoning is a common form of poisoning worldwide. Ethylene glycol is widely used as an industrial organic intermediate. Table 5 gives a breakdown by percentage for the principal uses of propylene glycol in the united states. Acute shortterm exposure of humans to ethylene glycol by ingesting large quantities causes three stages of health effects. This is a brief description of the properties of the ethylene glycol for industrial porpouses.
Ethylene glycol has high mobility in soil and the potential to leach to ground water. In asia, monoethylene glycol meg is reported realtime daily and weekly. Ethylene oxide in air can be determined by packed column gas chromatography gc. The extraction of glycols from water using envicarb plus. Propylene glycol dipropylene glycol1 tripropylene glycol1 propylene glycols glycols chemistry centers on the two hydroxyl oh. 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.
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, also called ethane1,2diol, the simplest member of the glycol family of organic compounds. Pdf ethylene glycol, hazardous substance in the household. Ethylene glycol was first used industrially in place of glycerol during world war. Both compounds exist in equilibrium and are constantly and rapidly transformed into each oth er. Propylene glycol intended for human use is designated as usp grade and is commonly found in foods, pharmaceuticals. A guide to glycols 4 the structural formulas of the propylene glycols commercially produced by dow are. Chemtrec 8004249300 outside usa 7035273887 1216 6th ave n. Ethylene glycol concentrated chemworld ethylene glycol 5 gallons. Experimental investigation of al2o3 water ethylene glycol.
The raw materials to a free standing glycol plant are refined ethylene oxide and pure water. Product safety assessment ethylene glycol monohexyl 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. 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 ethers national toxicology program. Ethylene glycol, a sweettasting, odorless liquid, is the active ingredient in antifreeze. Ethylene glycol and methanol are both readily absorbed from the gut e. Polymerization of ethylene oxide is an exothermic process. The conversion factors for airborne ethylene glycol at 101. However, since the conditions of handling and use are beyond our control, we make no. Propylene glycol, on the other hand, does not exhibit this decreasing and. Under these conditions, ethylene glycol yields of 90% can be achieved.
The addition of more water will then begin to increase the freezing point. American chemistry council acc, 2007, the ethylene oxide product stewardship guidance manual. Show this safety data sheet to the doctor in attendance. 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. Oxygenated solvents are organic solvents containing oxygen molecules, created through chemical reactions from olefins. 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. 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. The effluent from the glycol reactor goes to the evaporator section to remove the water. The information contained herein is, to the best of our knowledge and belief, accurate. This allowed a flammable mixture to enter an ethylene oxide destruction unit. Therefore, they generally provide superior heat transfer efficiency and better low temperature performance and are preferred for most heat transfer applications. In1995,its production volume ranked it among one of the top twenty organic chemicals in the united states.
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