acidity regulator air gun airsoft alkane antioxidant argon aroma compound asphyxia autogas barbecue boiling point bus butane cas registry number calcium peroxide camper carbon carbon dioxide carbon monoxide chemspider chicago transit authority coal combustion decane density dichlorodifluoromethane dodecane e number electricity retailing ethane ethanethiol flamethrower flammability flavour enhancer foaming agent food coloring gasoline glazing agent halite heating oil helium heptane hexane hot air balloon hydrocarbon hydrogen ice resurfacer infrared spectroscopy international union of pure and applied chemistry nomenclature isobutane joule kerosene liquefied petroleum gas list of r-phrases list of s-phrases list of alkanes locomotive mass spectrometry material safety data sheet melting point methane molar mass nmr spectroscopy natural gas nevada nitrogen nitrous oxide nonane octane octane rating off-the-grid oil refinery oxygen ozone depletion potential ph packaging gas pentane petrochemical petroleum portable stove preservative propellant pubchem recreational vehicle refrigerant silicon carbide simplified molecular input line entry specification solubility sugar substitute tare weight taxicab un number undecane water wax wikimedia commons wood fuel wood pellet