Methane, with the molecular formula CH4, is an organic compound. It is a colorless gas at room temperature and pressure, and its pure product has no odor. Methane is the simplest organic compound and belongs to hydrocarbons. It has the smallest carbon content and the largest hydrogen content. It is widely distributed in nature and Съществува в втечнен нефтен газ, въглен газ и биогаз . метан с висока чистота е газ с висока чистота, получен след пречистване и фина обработка, а чистотата му обикновено е над 99 . 999% (5n).
Methane is mainly used in industry and civilian use. It is used as a chemical raw material in the industrial field to produce acetylene, synthetic ammonia, hydrocyanic acid, carbon black, chloroform, carbon tetrachloride and other products, and as a fuel in the civilian field.
От друга страна, има две основни области на приложение с метан с висока чистота .
It is used as a standard gas and calibration gas, used to evaluate instruments and catalysts, for industrial testing (including metallurgy, chemical industry, petroleum, atomic energy, aviation and other industries) and scientific research fields, and can also be equipped with special mixed gas. Second, it is used in the semiconductor, electronics and solar cell industries to prepare amorphous silicon, Транзистори, сензори и други продукти .
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