. "CF12N522" . "2" . "" . "04-FEB-19" . "CF12N522" . "CF12N522" . "2" . "\"Mole fraction\" is used in the construction \"mole_fraction_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 hcc140a is CH3CCl3. The IUPAC name for hcc140a is 1,1,1-trichloro-ethane." . . "mole_fraction_of_hcc140a_in_air"@en . "accepted" .