"" . . "SDN:P07::CF12N264" . . . "SDN:P07::CF12N264" . "accepted"@en . "false" . "2" . . . "\"Mass concentration\" means mass per unit volume and is used in the construction \"mass_concentration_of_X_in_Y\", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as \"nitrogen\" or a phrase such as \"nox_expressed_as_nitrogen\". The chemical formula for Halon2402 is C2Br2F4. The IUPAC name for Halon2402 is 1,2-dibromo-1,1,2,2-tetrafluoroethane."@en . "2" . "2019-05-14 17:27:19.0" . . "SDN:P07::CF12N264" . "mass_concentration_of_halon2402_in_air"@en . . . . "2019-05-14 17:27:19.0" .