It is a hydrocarbon and the simplest alkyne. Grignard reactions and hydride reductions are typical application. propylene carbonate), dimethoxyethane is used as the low-viscosity component of the solvent for electrolytes of lithium batteries.  Dimethoxyethane is miscible with water. Melting point −58 °C (−72 °F; 215 K) Boiling point: 85 °C (185 °F; 358 K) Ethylene is separated from the resulting mixture by repeated compression and distillation. The LibreTexts libraries are Powered by MindTouch® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. The carbon–carbon triple bond places all four atoms in the same straight line, with CCH bond angles of 180°. Boiling point: -84; Solubility: Water, 1200 mg/L (20 deg C) Safety sheet: Not available; Spectra: ChemSpider (IR (1, 2)), also check on SDBS. In the laboratory, DME is used as a coordinating solvent. Acetylene (systematic name: ethyne) is the chemical compound with the formula C2H2. For more information contact us at firstname.lastname@example.org or check out our status page at https://status.libretexts.org. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Have questions or comments? Solid ethane exists in several modifications. Boiling Point:-88.8±3.0 °C at 760 mmHg Vapour Pressure: 28534.0±0.1 mmHg at 25°C Enthalpy of Vaporization: 16.8±0.8 kJ/mol Flash Point:-129.5±6.6 °C Index of Refraction: It is unstable in its pure form and thus is usually handled as a solution. Except where otherwise noted, data are given for materials in their. Shipped under pressure dissolved in acetone. Pure acetylene is odorless, but commercial grades usually have a marked odor due to impurities. It is a hydrocarbon and the simplest alkyne. Acetylene (systematic name: ethyne) is the chemical compound with the formula C 2 H 2. [Note: Commercial grade has a garlic-like odor. This colorless gas (lower hydrocarbons are generally gaseous in nature) is widely used as a fuel and a chemical building block. Legal. This colorless gas is widely used as a fuel and a chemical building block. Dimethoxyethane is often used as a higher boiling alternative to diethyl ether and THF. Together with a high-permittivity solvent (e.g. ]; Colourless gas with garlic-like ordour. It also shows the saturation pressure with changes in … Watch the recordings here on Youtube! Boiling point −103.7 °C (−154.7 °F; 169.5 K) Solubility in water. On cooling under normal pressure, the first modification to appear is a … Dimethoxyethane is also a good solvent for oligo- and polysaccharides. https://en.wikipedia.org/w/index.php?title=Dimethoxyethane&oldid=966341838, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 July 2020, at 15:14. Ethane is a gas at standard conditions. Acetylene (systematic name: ethyne) is the chemical compound with the formula C2H2. It has a boiling point of −88.5 °C (−127.3 °F) and melting point of −182.8 °C (−297.0 °F). It is also suitable for palladium-catalyzed reactions including Suzuki reactions and Stille couplings. As an alkyne, acetylene is unsaturated because its two carbon atoms are bonded together in a triple bond. It is therefore often used in organometallic chemistry. It is unstable in its pure form and thus is usually handled as a solution. The ethane phase diagram shows the phase behavior with changes in temperature and pressure. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. Dimethoxyethane acts as a bidentate ligand for some metal cations. However, at low temperature and/or high pressures the gas becomes a liquid or a solid. It is a hydrocarbon and the simplest alkyne. This colorless gas is widely used as a fuel and a chemical building block. Add Spectra . From Wikipedia. D. Berndt, D. Spahrbier, "Batteries" in Ullmann’s Encyclopedia of Industrial Chemistry 2005, Wiley-VCH, Weinheim. 1,2-Dimethoxyethane - chemical product info: properties, production, applications. At standard temperature and pressure, ethane is a colorless, odorless gas. The curve between the critical point and the triple point shows the ethane boiling point with changes in pressure. Missed the LibreFest? When ethane is the feedstock, ethylene is the product. Dimethoxyethane, also known as glyme, monoglyme, dimethyl glycol, ethylene glycol dimethyl ether, dimethyl cellosolve, and DME, is a colorless, aprotic, and liquid ether that is used as a solvent, especially in batteries. Monoglyme is produced industrially by the reaction of dimethylether with ethylene oxide:. Appearance: Colorless gas with a faint, ethereal odor.
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