Chem. Ref. Knowledge 1986 15 1369-1436

Edwards, J.; Maass, O., Density and Adsorption Studies within the Area of the Critical Temperature: System Dimethyl-ether-alumina., Can. Tapp, J.S.; Steacie, E.W.R.; Maass, O., Density of a Vapor in Equilibrium with a Liquid Near the Vital Temperature., Can. Cardoso, E.; Coppola, A.A., Experimental researches on some thermal properties of gas I the densities of coexisting phases of methyl ether, J. Chim. Briner, E.; Cardoso, E., The compressibility and vapor strain of mixtures of methyl oxide and sulphur dioxide, C. R. Hebd. Leduc, A.; Sacerdote, P., Essential Constants of Some Gases., C. R. Hebd. The Nationwide Institute of Requirements and Technology (NIST) makes use of its finest efforts to deliver a top quality copy of the Database and to confirm that the info contained therein have been chosen on the premise of sound scientific judgment. However, NIST makes no warranties to that impact, and NIST shall not be liable for any injury which will result from errors or omissions in the Database. Customer support for NIST Customary Reference Knowledge merchandise.


It melts at −141 °C and boils at −24 °C. DME is poorly soluble in water (71 g/l at standard situations), but soluble in most organic solvents, comparable to acetone, chloroform, ethanol, methanol. Dimethyl ether is offered in some sort of wart remover sprays, usually combined with propane. Some car starter fluids additionally comprise dimethyl ether. MAP-plus blowtorch gas blends may comprise DME. Dimethyl ether (DME) is a synthetically produced alternative to diesel to be used in specifically designed compression ignition diesel engines. Underneath regular atmospheric conditions, DME is a colorless gas. It is used extensively within the chemical industry and as an aerosol propellant. Dimethyl ether requires about seventy five pounds per square inch (psi) of stress to be in liquid type. Dimethyl ether or DME, often known as methoxymethane, is the organic compound with the method CH3OCH3 (or C2H6O). It is the only ether and an isomer of ethanol. Dimethyl ether is flammable and will burn when ignited in an oxygen atmosphere. Dimethyl ether may be carbonylated to acetic acid. Dimethyl ether is a colorless gasoline at commonplace circumstances, with an ethereal smell. The 3d construction may be viewed using Java or Javascript. NIST subscription sites provide information underneath the NIST Commonplace Reference Information Program, however require an annual charge to entry. The purpose of the fee is to recuperate prices related to the event of data collections included in such websites. Your establishment might already be a subscriber. Comply with the hyperlinks above to search out out extra about the information in these sites and their phrases of utilization.S.


When two parts forming a bond have a sure diploma of difference in their electronegativity values (often above zero.4), we get charges at the two poles making the bond polar in nature. The electronegativity worth of C is 2.55, H is 2.20 and O What is dimethyl ether used for? three.44 as per the chart. C and a 𝛅- on O atom. The distinction is round zero.89 which results in the formation of polar bonds. The dipole moments of these bonds level in the identical path which doesn't outcome in the cancellation of the dipole of the molecule as a whole. DME can be utilized as precursor for the production dimethyl sulfate by treatment with sulfur trioxide. Dimethyl sulfate is employed as a versatile methylating agent in chemical synthesis. It is usually used as a beginning material for preparation of dimethyl sulfide, acetic acid, unsaturated and saturated hydrocarbons, and formadehyde. Dimethyl ether (DME) can be utilized as a precursor to synthesize methyl acetate, oligomeric oxymethylene ethers (OMEs), polyoxymethylene dimethyl ethers (DMMx) and mild olefins. Because of this, DME's dealing with necessities are just like these of propane—both should be saved in pressurized storage tanks at an ambient temperature. The usage of DME in autos requires a compression ignition engine with a fuel system specifically developed to operate on DME. A number of DME vehicle demonstrations have been held in Europe and North America, including one by which a buyer operated 10 automobiles for 750,000 miles.