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        Methane 3N/4N/5N

        Release Date:2022-08-24 15:09:09   Browse:141:

        1624912772223.pngProduct Name: Methane

        Purity: 99.9%, 99.99%, 99.999%

        Gas pressure: can be customized in normal range

        Product packaging: 40L cylinder / 50L cylinder

        Valve model: QF-30A/CGA 350

        Packsge: steel cylinder

        Shipping: The safety cap on the cylinder must be worn when the cylinder is transported. Cylinders are generally placed flat, and the bottle mouth should face the same direction, not crossed; rail transport should be prohibited when slipping put.

        Chinese name  甲烷Foreign name 
        methane
        Alias carbon alkane 
        MFCH4
        Molecular weight 16.043 
        CAS No. 
        74-82-8
        EINECS number 200-812-7 
        Melting point 
        -182.5 ℃
        Appearance Colorless and odorless gas at room temperature
        Water solubility 
        difficult (0.03 at room temperature and pressure)
        Boiling point 
        -161.5 ℃
        Density 0.42(-164℃) (standard condition) 0.717g/L
        Flash point -188 ℃Hazard symbol 
        R12
        UN Dangerous goods number 
        1971
        Safety description 
        S9; S16; S33

        Methane is basically non-toxic to humans, but when the concentration is too high, it can significantly reduce the oxygen content in the air and cause asphyxiation. When the methane in the air reaches 25%-30%, it can cause headache, dizziness, weakness, inattention, accelerated breathing and heartbeat, and ataxia. If not kept away in time, it can lead to death by asphyxiation. Skin contact with liquefied methane can cause frostbite.

        Hazardous characteristics: flammable, mixed with air can form explosive mixtures, and there is a risk of combustion and explosion when encountering heat sources and open flames. Reacts violently with bromine pentafluoride, chlorine gas, hypochlorous acid, nitrogen trifluoride, liquid oxygen, oxygen difluoride and other strong oxidizing agents.

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