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|EINECS No.::||200-814-8||Other Names:||Bimethyl;C2H6;Dimethyl;ethane,refrigeratedliquid;Ethyl Hydride;ethylhydride;Methylmethane;R170|
|Appearance::||Colorless Liquefied Gas||CAS No.:||74-84-0|
|Application:||Food Processing,steam Cracking||Flammability Range (in Air):||Flammable|
Ethane gas , Methylmethane R170 Refrigerant , Colorless Odorless Gas
R-170 refrigerant, alias R170, the Chinese name of ethane, the English name ethane, chemical formula C2H6, trade name Reflube 170. R170 is a hydrocarbon refrigerant - the ozone layer without damage, and the greenhouse effect is very small, it is today's most environmentally friendly refrigerant, from the environmental point of view, almost all countries around the world for the R170 refrigerant in the new refrigeration equipment On the initial installation, as well as the use of after-sales maintenance process are not restricted.
Organic Gases Ethane is an organic chemical compound with chemical formula C2H6. At standard temperature and pressure, ethane is a colorless, odorless gas. Like many hydrocarbons, ethane is isolated on an industrial scale from natural gas and as a petrochemical byproduct of petroleum refining. Its chief use is as feedstock for ethylene production.
1. Physical properties
|Density||0.362 g/mL at 20 °C(lit.)|
|Vapor density||1.05 (vs air)|
|Vapor pressure||37.95 atm ( 21.1 °C)|
|Stability:||Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with strong oxidizing agents.|
|CAS DataBase Reference||74-84-0 (CAS DataBase Reference)|
2. Typical technical data
|Product Name:||Ethane (R170)|
|Product Categories:||refrigerants;Organics;Chemical Synthesis;Compressed and Liquefied Gases;Synthetic Reagents;Chemical Synthesis;Specialty Gases;Synthetic Reagents|
|Mol File:||74-84-0 mol|
3. Ethane Usage And Synthesis
A colorless odorless gas. ETHANE is easily ignited. The vapors are heavier than air. ETHANE can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Contact with the liquid may cause frostbite.
|Air & Water Reactions||
Saturated aliphatic hydrocarbons, such as ETHANE, may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. Peroxidizable
In high vapor concentrations, can act as simple asphyxiant. Liquid causes severe frostbite.
|The chief use of ethane is the production of ethene (ethylene) ,Refrigerant And Semiconductor||
When diluted with steam and briefly heated to very high temperatures (900 °C or more), heavy hydrocarbons break down into lighter hydrocarbons, and saturated hydrocarbons become unsaturated. Ethane is favored for ethene production because the steam cracking of ethane is fairly selective for ethene, while the steam cracking of heavier hydrocarbons yields a product mixture poorer in ethene and richer in heavier alkenes (olefins), such as propene (propylene) and butadiene, and in aromatic hydrocarbons, Refrigerant And Semiconductor.
|Experimentally, ethane is under investigation as a feedstock for other commodity chemicals.||
Oxidative chlorination of ethane has long appeared to be a potentially more economical route to vinyl chloride than ethene chlorination. Many processes for producing this reaction have been patented, but poor selectivity for vinyl chloride and corrosive reaction conditions (specifically, a reaction mixture containing hydrochloric acid at temperatures greater than 500 °C) have discouraged the commercialization of most of them. Presently, INEOS operates a 1000 t/a (tonnes per annum) ethane-to-vinyl chloride pilot plant at Wilhelmshaven in Germany.
Similarly, the Saudi Arabian firm SABIC has announced construction of a 30,000 tonnes per annum plant to produce acetic acid by ethane oxidation at Yanbu.
|The economic viability of this process may rely on the low cost of ethane near Saudi oil fields, and it may not be competitive with methanol carbonylation elsewhere in the world.|
|Ethane can be used as a refrigerant in cryogenic refrigeration systems.||
On a much smaller scale, in scientific research, liquid ethane is used to vitrify water-rich samples for electron microscopy (cryo-electron microscopy). A thin film of water, quickly immersed in liquid ethane at −150 °C or colder, freezes too quickly for water to crystallize. With slower freezing methods, ice crystals can disrupt soft structures, damaging the samples.