Gas Cylinder Safety Guidelines

Gas Cylinder Safety Guidelines 26 Appendix II. Common Flammable or Toxic (Health 3 or 4)* Compressed or Liquefied Gases Gas State Flammable Health Acetylene gas y Allene (propadiene) liquid y Ammonia liquid y 3 Arsine liquid y 4 Boron Trichloride gas n 3 Boron Trifluoride gas n 3 1,3-Butadiene liquid y n-Butane liquid y iso-Butane liquid y 1-Butene liquid y 2-Butene liquid y Carbon Monoxide gas y 3 Carbonyl Chloride (phosgene) gas n 4 Carbonyl Fluoride gas n 4 Carbonyl Sulfide liquid y 3 Chlorine gas n 3 Chlorine Dioxide gas n 4 Chlorine Monoxide gas y 3 Chlorine TriFluoride gas n 4 1-Chloro-1,1-difluoroethane liquid y Chlorotrifluoroethylene liquid y Cyanogen liquid n 4 Cyanogen Chloride liquid n 4 Cyclobutane gas y Cyclopropane liquid y Deuterium gas y Diazomethane gas y 4 Diborane gas spontaneously ignitable 3 1,1-Difluoroethane liquid y 1,1-Difluoroethylene liquid y 3 Dimethylamine gas y 3 Dimethyl Ether liquid y 2,2-Dimethylpropane liquid y Ethane gas y Ethylacetylene liquid y Ethylamine liquid y 3 Ethyl Chloride liquid y Ethylene gas y Ethylene Oxide liquid y 3 Fluorine gas n 4 Gas State Flammable Health Formaldehyde gas y 3 Germane gas y Hexafluoroacetone gas n 3 Hydrogen gas y Hydrogen Bromide gas n 3 Hydrogen Chloride gas n 3 Hydrogen Cyanide liquid y 4 Hydrogen Fluoride gas n 4 1,1-Difluoroethane liquid y Hydrogen Selenide liquid y 3 Hydrogen Sulfide liquid y 4 Ketene gas y Methane gas y Methylacetylene (propyne) liquid y Methylamine liquid y 3 Methylbromide liquid y 3 3-Methyl-1-butene liquid y Methyl Chloride liquid y Methyl Ether gas y Methyl Fluoride liquid y Methyl Mercaptan liquid y 4 2-methylpropene gas y Natural Gas gas y Nitric Oxide gas n 3 Nitrogen Dioxide gas n 3 Nitrogen Trioxide gas n 3 Nitrogen Trifluoride gas n 3 Nitrosyl Chloride gas n 3 Oxygen Difluoride gas n 4 Ozone gas n 4 Pentaorane liquid spontaneously ignitable 4 iso-Pentane liquid y Phosphine gas spontaneously flammable 4 Propane liquid y Propylene liquid y Selenium Hexafluoride gas n 3 Silane gas spontaneously flammable Silicon Tetrafluoride gas n 4 Stibine gas y 4