[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][N+1][Branch1][C][C][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is used as a food additive [EAFUS] (\"EAFUS: Everything Added to Food in the United States. [http://www.eafus.com/]\").\n\nDimethyl dialkyl ammonium chloride belongs to the family of Quaternary Ammonium Salts. These are compounds containing positively charged polyatomic ion of the structure NR4+, R being an alkyl group or an aryl group[1]. (Reference: [1] Quaternary ammonium cation: http://en.wikipedia.org/wiki/Quaternary_ammonium_cation)."}]