Transportation Applications Ethylene glycol is a key ingredient in automotive antifreeze and coolant, to help keep a car’s engine from overheating and from freezing in the winter. indicates when glycol regeneration is required. Diethylene glycol, CH 2 OHCH 2 OCH 2 CH 2 OH, is similar in properties to MEG, but with a higher boiling point, viscosity, and specific gravity. 28 Union Carbide Corporation Ethylene Glycol Product Guide Table of Contents Specifications Specification Industrial Grade ICF Grade Antifreeze Grade Minimum Ethylene Glycol, %wt 99.9 99.0 95.0 Maximum Diethylene Glycol, %wt 0.1 0.1 5.0 Maximum Acidity, %wt as Acetic Acid 0.005 0.005 0.01 Maximum Iron, ppm by wt 0.10 Chlorides None by test Minimum Specific Resistivity, ohm-cm 3×106 … Diethylene Glycol (DEG) is a colorless, practically odorless, and hygroscopic liquid with a sweetish taste. Key Areas Covered. It is used in the manufacture of resins, polyurethanes, plasticizers, and is also used as a solvent for dyes and oils. As a result, minor amounts of Diethylene Glycol (DEG) and Triethylene Glycol (TEG) is produced as a byproduct. It is miscible in water, alcohol, ether, acetone, and ethylene glycol. Summary – Ethylene Glycol vs Diethylene Glycol Both ethylene glycol and diethylene glycol are produced from same starting material; ethylene. 1. Find more compounds similar to Diethylene glycol monoacetate. DEG is formed via an unusual type of reaction: ester + alcohol → ether + acid. China Diethylene Glycol Properties manufacturers - Select 2020 high quality Diethylene Glycol Properties products in best price from certified Chinese Polyethylene Glycol manufacturers, Mechanical Properties suppliers, wholesalers and factory on Made-in-China.com POLYMER CLASS: Polyurethane: COMMON NAMES: Poly[(diethylene glycol)-alt-(1,6-hexamethylene diisocyanate)], Hexamethylene diisocyanate / Diethylene glycol n = 0 ethylene glycol ("antifreeze") ; n = 1 DEG n = 2 triethylene glycol, TEG, or triglycol is also a colorless odourless viscous liquid. They are derived from ethylene oxide and are described with the formula HO-CH 2-CH 2 (-O-CH 2-CH 2) n-OH: . This chemistry permits ethylene glycol to act as an intermediate in a wide range of reactions. Diethylene glycol w% max 0.3 665 Color Hazen max 15 201 Methods of Analysis are available upon request. Diols and polyols. Heat is also generated by the … In July 2007 the Spanish authorities informed the Commission services about their findings A series of novel periodic copolyesters was synthesized and their physical properties and biodegradabilities were investigated. Chemsrc provides Diethylene glycol(CAS#:111-46-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. The production of polyethylene glycol can be done form the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. Ethylene glycol (EG) is an important organic compound and chemical intermediate used in a large number of industrial processes (e.g. Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. Opinion on diethylene glycol 5 1. DIETHYLENE GLYCOL: ICSC: 0619: 2,2'-Oxydiethanol 2,2'-Oxybisethanol Ethylene diglycol 2,2'-Dihydroxyethyl ether 3-Oxypentane-1,5-diol: November 2007 dehydration, usually either Diethylene Glycol (DEG) or Triethylene Glycol (TEG), which is brought into contact with the wet gas stream in what is called . TCC’s Ethylene Glycol (MEG) is a toxic, colorless, practically odorless, low-volatility, low-viscosity, hygroscopic liquid. The difference between ethylene glycol and diethylene glycol is that an ethylene glycol molecule is an individual molecule whereas diethylene glycol molecule is formed by the combination of two ethylene glycol molecules via an ether bond. What is Propylene Glycol – Definition, Applications 3. The hydroxyl groups on glycols undergo the usual alcohol chemistry, giving a wide variety of possible derivatives. Diethylene glycol (DEG) is the most common adulterant reported, as the physical properties are similar and it is three times cheaper than glycerol. Substitution of either glycols such as diethylene glycol in place of propylene glycol and adipic acid in place of PA can give an alkyd that is a viscous liquid at room temperature rather than a solid resin. In case of dispute, the listed Method of Analysis will be used as reference methods. These properties include viscosity, hygroscopicity and boiling point. Approximately 90% of ethylene glycol can be achieved under these conditions. In particular, propylene glycol causes damage to the central nervous system, which includes the brain and spinal cord. Ethylene glycol (EG) is an important organic compound and chemical intermediate used in a large number of industrial processes (e.g. Diethylene glycol distearate. The glycol solution will absorb water from the wet gas. In 2006, cough syrups There is also animal evidence that it has mutagenic properties, meaning it can lead to cancer, and that it is a teratogen, meaning it causes birth defects. Prominent by-products of this process are- triethylene glycol, tetramethylene glycol, and oligomers diethylene glycol. DIETHYLENE GLYCOL ETHYL ETHER ACETATE is an ester. Diethylene glycol is one of several diols (hydrocarbon containing two alcohol groups). Diethylene glycol (DEG) is a clear, colorless, odorless liquid with a sweet taste, and is an excellent solvent for water-insoluble chemicals and drugs. When water is used for the reaction with ethylene oxide, the final product has a high polydispersity (the product has a high molecular weight distribution). 109-30-8. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. BACKGROUND Diethylene glycol (DEG) (CAS 111-46-6) is listed in the Inventory with functions as solvent, viscosity controlling and masking/perfuming. The source is also providing more information like the publication year, authors and more. Furthermore, it is listed in section II, perfume and aromatic raw materials. Esters react with acids to liberate heat along with alcohols and acids. It is completely miscible with water and many organic liquids. the contactor. Articles of Diethylene glycol are included as well. Hydrolysis of diethylene glycol dinitrate will be slow in the environment; at 25 °C and pH 7, 9 and 10, hydrolysis half-lives were greater than 400 days. Diethylene glycol is used in the manufacture of unsaturated polyester resins, polyurethanes and plasticizers. Some Physical Properties of the Ternary System: Ethylene Glycol-Diethylene Glycol-Water ROBERT M. TOMBAUGH and HAROLD S. CHOGUILL Fort Hays Kansas State College Introduction Of all the substances tested for use as antifreezes in automobiles-oils, sugars, salts, and the various types of alcohols-the glycols seem to be the most satisfactory. The difference in their application is dependant mainly to variations in physical properties. This fraudulent activity has caused fatalities due to the toxic nature of DEG. Oxydiethylene stearate. Structure, properties, spectra, suppliers and links for: Diethylene glycol, 111-46-6. Take the time to validate and double check the source of the data. Diethylene glycol may be used as a standard in the determination of diethylene glycol present in serum samples using gas chromatography (GC). The highest amount of Ethylene Glycol can be derived at acidic or neutral pH with an excess amount of water. The preceding alkyd properties would change as functions of the raw materials used and the molecular weight to which the resin is cooked. If mixed with reducing agents, including hydrides, sulfides and nitrides, they may begin a vigorous reaction that culminates in a detonation. DEG is used as a component of multiple different products including antifreeze preparations, cosmetics, lubricants, brake fluids, wallpaper strippers, heating/cooling fuel and as a plasticizer. The density, viscosity, and thermal conductivity of ethylene glycol + water, diethylene glycol + water, and triethylene glycol + water mixtures were measured at temperatures ranging from 290 K to 450 K and concentrations ranging from 25 mol % glycol to 100 mol % glycol. Oxydiethane-1,2-diyl distearate diethylene glycol based deep eutectic solvents and their physical properties 437 On the other hand, the effect of salts can be inferred from the existence of the Occupational exposure to diethylene glycol dinitrate may occur through dermal contact with this compound at workplaces where diethylene glycol dinitrate is produced or used. Some evidence of this type of reaction is given by the formation of dioxane in low molecular PET and of methyl Cellosolve and methyl carbitol during the ester interchange of DMT with ethylene glycol and diethylene glycol, respectively. What is Ethylene Glycol – Definition, Properties, Uses 2. This reaction needs an acidic or basic catalyst. Nitroorganics, such as DIETHYLENE GLYCOL DINITRATE, range from slight to strong oxidizing agents. It is a water-soluble liquid; boiling point 245 C; soluble in many organic solvents. Ethylene glycol gives industrial coolants properties that help them flow through cooling systems while withstanding extreme hot and cold temperatures. Diethylene Glycol Properties Price - Select 2020 high quality Diethylene Glycol Properties Price products in best price from certified Chinese Mechanical Properties manufacturers, Metal Properties suppliers, wholesalers and factory on Made-in-China.com Diethylene Glycol . Ethylene Glycol (EG) is produced by hydration of ethylene oxide. Physical and Chemical Properties Property Value Property Value Form viscous liquid pH 9 Colour colourless Melting point/freezing point -13 °C Structure, properties, spectra, suppliers and links for: Diethylene glycol n-butyl ether, 112-34-5. energy, plastics, automobiles, and chemicals). Ethylene Glycol based water solutions are common in heat-transfer applications where the temperature in the heat transfer fluid can be below 32 o F (0 o C).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. DEG is a widely used solvent. You can get inexpensive diethylene glycol properties with discounted price from the most reputable wholesalers. Witconol CAD. Essentially, a glycol solution is used in glycol . The main difference between ethylene glycol and propylene glycol is that ethylene glycol is toxic whereas propylene glycol is moderately toxic. Find 2020 quality & cheap diethylene glycol properties for sale. Practically odorless, low-volatility, low-viscosity, hygroscopic liquid with a sweetish taste section. Glycol vs diethylene glycol number of industrial processes ( e.g functions of the raw materials unsaturated polyester,! 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