Eight fluorine butane

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　　Product Name: eight fluorine butane Octafluorocyclobutane; Perfluorocyclobutane

　　Perfluoro - butane

　　Molecular formula: C4F8; CF2CF2CF2CF2

　　Properties: colorless, odorless, non flammable gases, the molecular weight of the 200 boiling point of 6.04 DEG C, the melting point of -41.4 Deg. C solubility, density, relative density (water =1) 1.51/21.1 C, relative density (air =1) 7 stability, risk marker 5 (no burning gas) mainly used as a stable non-toxic food aerosol spray, medium eight fluorine gas is mainly used in cyclobutane and etching gas / plasma etching.

　　Use:

　　This product can be used as one of the components of CFC-12 mixed refrigerant, which is a permanent substitute for ozone layer and can be used as aerosol.

　　Emergency handling method:

　　Emergency treatment of leakage

　　Wear self-contained breathing apparatus and wear overalls. Cut-off gas source. Ventilation convection dilution diffusion. Move the leaking container to the open place, and pay attention to the ventilation. The gas container cannot be reused and will be technically treated to remove the remaining gas.

　　Two, protective measures

　　Respiratory protection: should you wear a gas mask when the concentration is high in the air. Self rescue breathing apparatus is recommended for emergency rescue or evacuation.

　　Eye protection: no special protection is required.

　　Body protection: wear overalls.

　　Hand protection: generally no special protection is required.

　　Other: avoid inhalation of high concentrations.

　　Three, first aid measures

　　Inhalation: from the scene to the fresh air. Jingwo rest. Keep warm。 Medical treatment.

　　Fire extinguishing method: cut off gas source. Spray cooling containers and, if possible, move containers from the fire to the open. Fog water.

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