Product
name : Dimethyl
ether other
names:
Methoxymethane.Methyl
ether.Wood
ether.Dimethyl
oxide.Demeon
Abbreviations: DME
Molecular formular:
CH2OCH6 Purity:
*9.9%**9.*9% CAS number : *******6
UN number : ***3
Main applicationof dimethyl ether
(DME): 1aerosol
propellant:used
as propellant for aerosol product like
hairspray,paintspray,polyurethane
foam sealant, aerosol pesticide, air fresher ,blowing
agentfor
foam,cosmetic industry ,fragrance
ect.
2 refrigerant : substitute for CFCs, no damage to the ozone
layer
3 automotive fuel : substitute for diesel and gasoline
4 domestic fuel : substitute for LPG
5 chemical feedstock: a chemical intermediate ,solvent ,extraction
agent
6 cutting gas for welding,cutting and brazing
Physics and chemical propertiesof dimethyl ether
dme: PH value: **7
Appearance : Colourless gas
odor: Peculiar to ethers
Melting point( °C ) :**1.5
Relative density (water=1): 0.**1 (*0/4°C)
Boiling point (°C ) :*4.9
Vapor density ( kg/m3 ): 1.****1.**8 (**8.*6k,1 atm)
Saturated vapor pressure(kPa): **3.2 (*0 °C)
Heat of combustion (kJ/mol): ***5
Critical temperature (°C ): **8.8
Critical pressure (MPa): 5.*3
Octanol-water partition coefficients: 0.1
Flash point (°C ): *1.4 ( open up )
Upper explosive limit%(V/V): *6.7
Autoignition temperature (°C ): **0
Lower explosive limit%(V/V): 3.5
