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Dimethyl ether

Dimethyl ether Suppliers list
Company Name: Henan DaKen Chemical CO.,LTD.
Tel: +86-371-55531817
Products Intro: Product Name:Dimethyl ether
Purity:99% Package:100g,500g,1KG,10KG,100KG
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: 0371-55170693
Products Intro: CAS:115-10-6
Purity:99% Package:500G;1KG;5KG;25KG
Company Name: Mainchem Co., Ltd.
Tel: +86-0592-6210733
Products Intro: Product Name:Dimethyl ether
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel: +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
Products Intro: Product Name:Methyl Ether (in cylinder without valve)
Company Name: Shanghai Hanhong Scientific Co.,Ltd.  
Tel: 021-54306202,021-54308259
Products Intro: Product Name:DIMETHYL ETHER
Dimethyl ether Basic information
Product Name:Dimethyl ether
Synonyms:(CH3)2O;Methoxymethane;Dimethyl ether,Methyl ether;Dimethyl Ether Dimethyl Oxide Methyl Oxide;Methane, 1,1'-oxybis-;DiMethyl ether >=99%;demeond;Dymel A
Product Categories:Chemical Synthesis;Specialty Gases;Organics;Ethers (Low Boiling point);Gas Cylinders;Synthetic Reagents;Synthetic Organic Chemistry
Mol File:115-10-6.mol
Dimethyl ether Structure
Dimethyl ether Chemical Properties
Melting point −141 °C(lit.)
Boiling point −24.8 °C(lit.)
density 1.617
vapor density 1.62 (vs air)
vapor pressure >760 mm Hg ( 25 °C)
refractive index 1.2984
Fp -41°C
explosive limit27%
Water Solubility soluble
Merck 6071
BRN 1730743
Stability:Stable. Extremely flammable. Note low flash point. May form explosive mixtures with air. May form peroxides during prolonged storage.
CAS DataBase Reference115-10-6(CAS DataBase Reference)
NIST Chemistry ReferenceDimethyl ether(115-10-6)
EPA Substance Registry SystemMethane, oxybis-(115-10-6)
Safety Information
Hazard Codes F+
Risk Statements 12
Safety Statements 9-16-33
RIDADR UN 1033 2.1
WGK Germany 1
RTECS PM4780000
Autoignition Temperature662 °F
HazardClass 2.1
Hazardous Substances Data115-10-6(Hazardous Substances Data)
MSDS Information
SigmaAldrich English
Dimethyl ether Usage And Synthesis
Chemical Propertiescolourless gas
DefinitionChEBI: An ether in which the oxygen atom is connected to two methyl groups.
UsesAerosol propellant; alternative diesel fuel; chemical intermediate.
General DescriptionDimethyl ether is a colorless gas with a faint ethereal odor. Dimethyl ether is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbite. Dimethyl ether is easily ignited. Its vapors are heavier than air. Any leak can be either liquid or vapor. Dimethyl ether can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket.
Air & Water ReactionsHighly flammable. Upon standing and exposure to air (oxygen) tendency to form explosive peroxides. When ethers containing peroxides are heated (distilled) they can detonate [Lewis, 3rd ed., 1993, p. 854].
Reactivity ProfileDimethyl ether is a colorless, highly flammable gas (b. p. -24° C), slightly toxic. Very dangerous fire and explosion hazard when exposed to flame, sparks, heat or strong oxidizers. Violent reaction with aluminum hydride, lithium aluminum hydride. Upon standing and exposure to air (oxygen) tendency to form explosive peroxides. When ethers containing peroxides are heated (distilled) they can detonate [Lewis, 3rd ed., 1993, p. 854].
Health HazardInhalation produces some anesthesia (but less than that of ethyl ether), blurring of vision, headache, intoxication, loss of consciousness. Liquid or concentrated vapor irritates eyes. Contact of liquid with skin may cause frostbite.
Fire HazardBehavior in Fire: Containers may explode. Vapors are heavier than air and may travel long distance to a source of ignition and flash back.
Safety ProfileSlightly toxic by inhalation. Very dangerous fire hazard when exposed to heat, flame, or oxidzers. Dangerous explosion hazard when exposed to flame, sparks, etc. Violent reaction with AH3 and LiAlH2. Keep in closed container away from heat and open flame. To fight fire, stop flow of gas. When heated to decomposition it emits acrid smoke and irritating fumes.
Purification MethodsDry methyl ether by passing over alumina and then BaO, or over CaH2, followed by fractional distillation at low temperatures. Its solubility is 37mL per mL of H2O at 18o, and it is very soluble
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