"2019-05-14 17:27:19.0" . "3" . "3" . . "2019-05-14 17:27:19.0" . "SDN:P07::CF12N49" . . "false" . "" . "SDN:P07::CF12N49" . "atmosphere_mass_content_of_halon1211"@en . . . . . "SDN:P07::CF12N49" . "accepted"@en . "\"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including \"content_of_atmosphere_layer\" are used. The mass is the total mass of the molecules. The chemical formula for Halon1211 is CBrClF2. The IUPAC name for Halon1211 is bromo-chloro-difluoromethane."@en . . . . .