Dimethyl ether (DME)
Dimethyl ether (DME), also known as methoxymethane, is a colorless, odorless gas used as a propellant in aerosol cans. It can also be used as a blowing agent in the production of polyurethane foam. DME is considered an alternative propellant to other types such as chlorofluorocarbons (CFCs) and hydrofluorocarbons (HFCs). DME is a safe and efficient propellant, making it suitable for a wide range of applications. It is non-toxic and biodegradable in the atmosphere, making it environmentally friendly as it does not deplete the ozone layer or contribute to global warming.
Properties of Dimethyl ether (DME):
- It is a colorless, odorless gas.
- Chemical formula: CH₃OCH₃
- Molecular weight: 32.04 g/mol
- Boiling point: −23.6 °C
- Melting point: −128.2 °C
- Density: 0.72 g/cm³
- Vapor pressure: 4.7 kPa at 20 °C
- Flash point: −40 °C
- Autoignition temperature: 225 °C
- Water solubility: 0.01 g/cm³
In addition to the above properties, DME gas is biodegradable in the atmosphere, has a low global warming potential (GWP), and is therefore environmentally friendly.
Benefits and Industrial Applications of Dimethyl Ether (DME)
Dimethyl ether (DME) has a wide range of industrial applications, including:
- Due to its solvent properties and higher vapor pressure compared to some hydrocarbons, DME is suitable for use as a propellant in aerosol cans for various products such as hairspray, deodorant, sunscreen, insecticides, air fresheners, paints, cleaning products, personal care products, and medical products, etc.
- DME can also be used as a blowing agent in the polyurethane foam manufacturing process for the insulation industry, which helps toproduce low-density foam sheets and reduce overall production costs.
- It can also be used as a raw material in the synthesis of other chemicals, such as in the production of acetic acid or dimethyl sulfate, etc.
- Because DME has properties similar to LPG and is a clean-burning fuel that reduces atmospheric pollution, it can be considered as a clean and efficient alternative energy source.
Looking to purchase Dimethyl ether (DME) for industrial applications?
Thai Engineering Gas Co., Ltd. is a leading importer and distributor of high-purity (99.9%) Dimethyl ether (DME) gas in Thailand. We guarantee quality and performance, suitable for use as an aerosol propellant, in cosmetic products, foam application, etc. Available in 500 kg ton tanks or 14,000 kg isotanks to suit your application needs and ensure maximum reliability in your products.