Articles of Diethylene glycol are included as well. Ethylene glycol (EG) is an important organic compound and chemical intermediate used in a large number of industrial processes (e.g. 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. Diols and polyols. Summary – Ethylene Glycol vs Diethylene Glycol Both ethylene glycol and diethylene glycol are produced from same starting material; ethylene. Heat is also generated by the … BACKGROUND Diethylene glycol (DEG) (CAS 111-46-6) is listed in the Inventory with functions as solvent, viscosity controlling and masking/perfuming. A series of novel periodic copolyesters was synthesized and their physical properties and biodegradabilities were investigated. Witconol CAD. It is completely miscible with water and many organic liquids. 109-30-8. Diethylene glycol distearate. 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. 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 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). Furthermore, it is listed in section II, perfume and aromatic raw materials. Esters react with acids to liberate heat along with alcohols and acids. 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. 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. The production of polyethylene glycol can be done form the reaction between ethylene oxide and water, ethylene glycol or ethylene glycol oligomers. Oxydiethylene stearate. 1. 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 ETHYL ETHER ACETATE is an ester. The highest amount of Ethylene Glycol can be derived at acidic or neutral pH with an excess amount of water. Diethylene glycol may be used as a standard in the determination of diethylene glycol present in serum samples using gas chromatography (GC). 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 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. Essentially, a glycol solution is used in glycol . The source is also providing more information like the publication year, authors and more. If mixed with reducing agents, including hydrides, sulfides and nitrides, they may begin a vigorous reaction that culminates in a detonation. The preceding alkyd properties would change as functions of the raw materials used and the molecular weight to which the resin is cooked. Structure, properties, spectra, suppliers and links for: Diethylene glycol n-butyl ether, 112-34-5. It is used in the manufacture of resins, polyurethanes, plasticizers, and is also used as a solvent for dyes and oils. dehydration, usually either Diethylene Glycol (DEG) or Triethylene Glycol (TEG), which is brought into contact with the wet gas stream in what is called . In particular, propylene glycol causes damage to the central nervous system, which includes the brain and spinal cord. Diethylene glycol is one of several diols (hydrocarbon containing two alcohol groups). This fraudulent activity has caused fatalities due to the toxic nature of DEG. Chemsrc provides Diethylene glycol(CAS#:111-46-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Diethylene glycol is used in the manufacture of unsaturated polyester resins, polyurethanes and plasticizers. As a result, minor amounts of Diethylene Glycol (DEG) and Triethylene Glycol (TEG) is produced as a byproduct. Diethylene Glycol . POLYMER CLASS: Polyurethane: COMMON NAMES: Poly[(diethylene glycol)-alt-(1,6-hexamethylene diisocyanate)], Hexamethylene diisocyanate / Diethylene glycol It is miscible in water, alcohol, ether, acetone, and ethylene glycol. They are derived from ethylene oxide and are described with the formula HO-CH 2-CH 2 (-O-CH 2-CH 2) n-OH: . Nitroorganics, such as DIETHYLENE GLYCOL DINITRATE, range from slight to strong oxidizing agents. Opinion on diethylene glycol 5 1. This reaction needs an acidic or basic catalyst. It is a water-soluble liquid; boiling point 245 C; soluble in many organic solvents. Find more compounds similar to Diethylene glycol monoacetate. n = 0 ethylene glycol ("antifreeze") ; n = 1 DEG n = 2 triethylene glycol, TEG, or triglycol is also a colorless odourless viscous liquid. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. In 2006, cough syrups What is Ethylene Glycol – Definition, Properties, Uses 2. 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 Oxydiethane-1,2-diyl distearate 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. TCC’s Ethylene Glycol (MEG) is a toxic, colorless, practically odorless, low-volatility, low-viscosity, hygroscopic liquid. This chemistry permits ethylene glycol to act as an intermediate in a wide range of reactions. The difference in their application is dependant mainly to variations in physical properties. 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. Ethylene glycol gives industrial coolants properties that help them flow through cooling systems while withstanding extreme hot and cold temperatures. Structure, properties, spectra, suppliers and links for: Diethylene glycol, 111-46-6. indicates when glycol regeneration is required. In case of dispute, the listed Method of Analysis will be used as reference methods. In July 2007 the Spanish authorities informed the Commission services about their findings Diethylene glycol w% max 0.3 665 Color Hazen max 15 201 Methods of Analysis are available upon request. 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. What is Propylene Glycol – Definition, Applications 3. 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 Physical and Chemical Properties Property Value Property Value Form viscous liquid pH 9 Colour colourless Melting point/freezing point -13 °C Approximately 90% of ethylene glycol can be achieved under these conditions. energy, plastics, automobiles, and chemicals). 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. Diethylene Glycol (DEG) is a colorless, practically odorless, and hygroscopic liquid with a sweetish taste. DEG is a widely used solvent. Ethylene Glycol (EG) is produced by hydration of ethylene oxide. Find 2020 quality & cheap diethylene glycol properties for sale. You can get inexpensive diethylene glycol properties with discounted price from the most reputable wholesalers. The hydroxyl groups on glycols undergo the usual alcohol chemistry, giving a wide variety of possible derivatives. DEG is formed via an unusual type of reaction: ester + alcohol → ether + acid. The main difference between ethylene glycol and propylene glycol is that ethylene glycol is toxic whereas propylene glycol is moderately toxic. DIETHYLENE GLYCOL: ICSC: 0619: 2,2'-Oxydiethanol 2,2'-Oxybisethanol Ethylene diglycol 2,2'-Dihydroxyethyl ether 3-Oxypentane-1,5-diol: November 2007 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. 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. Key Areas Covered. Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. the contactor. Take the time to validate and double check the source of the data. Ethylene glycol (EG) is an important organic compound and chemical intermediate used in a large number of industrial processes (e.g. Prominent by-products of this process are- triethylene glycol, tetramethylene glycol, and oligomers diethylene glycol. 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