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Dimethyl ether

Names IUPAC nameMethoxymethanePreferred IUPAC nameMethoxymethaneOther names Dimethyl etherR-E170DemeonDimethyl oxideDymel AMethyl ether Methyl oxideMetherWood ether2-oxapropaneIdentifiers CAS Number115-10-63D model (JSmol)Interactive imageAbbreviations DMEMe2O Beilstein Reference1730743 ChEBICHEBI:28887ChEMBLChEMBL119178ChemSpider7956ECHA InfoCard100.003.696EC Number204-065-8KEGGC11144MeSHDimethyl+etherPubChemCID8254RTECS numberPM4780000UNIIAM13FS69BXUN number1033 CompTox Dashboard(EPA)DTXSID8026937InChIInChI=1S/C2H6O/c1-3-2/h1-2H3Key: LCGLNKUTAGEVQW-UHFFFAOYSA-NInChI=1/C2H6O/c1-3-2/h1-2H3Key: LCGLNKUTAGEVQW-UHFFFAOYAUSMILESCOCProperties Chemical formulaC2H6OMolar mass46.069 g·mol Appearance Colorless gas OdorEthereal Density2.1146 kg m (gas, 0 °C, 1013 mbar)0.735 g/mL (liquid, −25 °C) Melting point−141 °C; −222 °F; 132 K Boiling point−24 °C; −11 °F; 249 K Solubility in water71 g/L (at 20 °C (68 °F)) log P0.022 Vapor pressure592.8 kPa Magnetic susceptibility (χ)−26.3×10 cm mol Dipole moment1.30 D Thermochemistry Heat capacity(C)65.57 J K mol Std enthalpy offormation(ΔfH298)−184.1 kJ mol Std enthalpy ofcombustion(ΔcH298)−1460.4 kJ mol Hazards GHS labelling: PictogramsSignal wordDangerHazard statementsH220Precautionary statementsP210, P377, P381, P403NFPA 704 (fire diamond) 241Flash point−41 °C (−42 °F; 232 K) Autoignitiontemperature350 °C (662 °F; 623 K) Explosive limits27 % Safety data sheet (SDS) ≥99% Sigma-AldrichRelated compounds Related ethersDiethyl etherPolyethylene glycolRelated compoundsEthanolMethanolExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Yverify ( ?)

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