Ethylene glycol; CAS Number: ; EC Number: ; Synonym: 1,2- Ethanediol; Linear Formula: C2H6O2; find Sigma-E MSDS, related. Ethylene glycol; MEG; 1,2-Ethanediol; 1,2-Dihydroxyethane. Recommended Use of the Chemical and Restrictions on Use. Coolant and antifreeze; heat transfer. Ethanediol (Ethylene glycol) MSDS. Section 1: Chemical Product and Company Identification. Product Name: Ethylene glycol. Catalog Codes.
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Diatomic Aluminium monochloride Aluminium monofluoride Aluminium monoxide Argonium Carbon monophosphide Carbon monosulfide Carbon monoxide Carborundum Cyanogen radical Diatomic carbon Fluoromethylidynium Hydrogen chloride Hydrogen fluoride Hydrogen molecular Hydroxyl radical Iron II oxide Magnesium monohydride cation Methylidyne radical Nitric oxide Nitrogen molecular Nitrogen monohydride Nitrogen sulfide Oxygen molecular Phosphorus monoxide Phosphorus mononitride Potassium chloride Silicon carbide Silicon mononitride Silicon monoxide Silicon monosulfide Sodium chloride Sodium iodide Sulfur monohydride Sulfur monoxide Titanium oxide.
This reaction can be catalyzed by either acids or basesor can occur at neutral pH under elevated temperatures. The formation of large bubbles in cooling passages of internal combustion engines will seriously inhibit heat flow flux from that area, thus allowing nucleation tiny bubbles heat transfer to occur is not advisable.
Industrial-grade propylene glycol usually has a slightly bitter or acrid taste due to impurities. Ethylene glycol [ citation needed ]. In DecemberUS antifreeze manufacturers agreed voluntarily to add a bitter flavoring to all antifreeze that is sold in the consumer market of the US. Ethylene glycol may also be one of the minor ingredients in screen cleaning solutions, along with the main ingredient isopropyl etahnediol.
Ethylene glycol is produced from ethylene ethenevia the intermediate ethylene oxide. Ethylene glycol is also commonly used in chilled-water air-conditioning systems that place either the chiller or air handlers outside, or systems that must cool below the freezing temperature of water.
Not to be confused with Propylene glycolDiethylene glycolor Glycol. It and its toxic byproducts first affect the central nervous systemthen the heart, and finally the kidneys. The oxidative carbonylation of methanol to dimethyl oxalate provides a promising approach to the production of C 1 -based ethylene glycol.
Ethylene glycol is used as a protecting group in organic synthesis to protect carbonyl compounds such as ketones and aldehydes. Retrieved December 30, It enters the environment through the dispersal of ethylene glycol-containing products, especially at airports, where it is used in deicing agents for runways and aeroplanes.
1-Phenyl-1,2-ethanediol() MSDS Melting Point Boiling Point Density Storage Transport
Alkanediols Alcohol solvents Household chemicals Hazardous air pollutants Commodity chemicals Vicinal diols. Ethylene glycol is used as a protecting group for carbonyl groups in organic synthesis.
See the article on propylene glycol for more information. The highest yields of ethylene glycol occur at acidic or neutral pH with a large excess of ethanddiol.
Ingestion of sufficient amounts is fatal if untreated. Retrieved 27 August 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. Part of the Automobile series. Byethylene glycol was being used by almost all dynamite manufacturers.
Retrieved from ” https: Retrieved December 31, Ethylene glycol is also used in the manufacture of some vaccinesbut it is not itself present in these injections.
It is an odorless, colorless, sweet-tasting, viscous liquid. It has been used in a few cases to treat partially rotted wooden objects to be displayed in museums.
Elsevier, Ruthenium catalyzed hydrogenation mdds dimethyl oxalate to ethylene glycolJ. Water was removed by azeotropic distillation to shift the equilibrium to the right.
The caterpillar of the Greater wax moth, Galleria mellonellahas gut bacteria with the ability to degrade polyethylene PE into ethylene glycol. Archived from the original on July 14, In this application, ethylene glycol flows down from the top of a tower and meets a rising mixture of water vapor and hydrocarbon gases.
Other names Ethylene glycol 1,2-Ethanediol Ethylene alcohol Ethanedool acid Monoethylene glycol 1,2-Dihydroxyethane. Household pets are especially susceptible to ethylene glycol poisoning from vehicle antifreeze leaks.
Mannitol Sorbitol Galactitol Iditol. Ethylene glycol is used in the natural gas industry to remove water vapor from natural gas before further processing, in much the same manner as triethylene glycol TEG. Consumer Specialty Products Association. So, while providing ethaediol protection and an increased boiling point, ethylene glycol lowers ethnediol specific heat capacity of water mixtures relative to pure water. Ethylene glycol is a high-production-volume chemical ; it breaks down in air in about 10 days and in water or soil in a few weeks.
Natural gas is dehydrated by ethylene glycol. In the plastic industryethylene glycol is an important precursor to polyester fibers and resins. Royal Society of Chemistry. Molecules detected in outer space. Protective Groups in Organic Synthesis Third ed. Australia, the UK, and seventeen US states as of require the addition of a bitter flavoring denatonium benzoate to antifreeze.
Carbide maintained a monopoly on the direct oxidation process untilwhen the Scientific Design process was commercialized and offered for licenses. Aluminium monochloride Aluminium monofluoride Aluminium monoxide Argonium Carbon monophosphide Carbon monosulfide Carbon monoxide Carborundum Cyanogen radical Diatomic carbon Fluoromethylidynium Hydrogen chloride Hydrogen fluoride Hydrogen molecular Hydroxyl radical Iron II oxide Magnesium monohydride cation Methylidyne radical Nitric oxide Nitrogen molecular Nitrogen monohydride Nitrogen sulfide Oxygen molecular Phosphorus monoxide Phosphorus mononitride Potassium chloride Silicon carbide Silicon mononitride Silicon monoxide Silicon monosulfide Sodium chloride Sodium iodide Sulfur monohydride Sulfur monoxide Titanium oxide.
Because of its high boiling point and affinity for water, ethylene glycol is a useful desiccant. The relative sweetness of ethylene glycol  and propylene glycol  is discussed in the Merck Index, and neither compound is described as bitter.