[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][Ring1][C][O][O][C][C][Branch1][C][C][O]"}, {"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\nPolypropylene glycol (m w 1,200-3,000) belongs to the family of Secondary Alcohols. These are compounds containing a secondary alcohol functional group, with the general structure HOC(R)(R') (R,R'=alkyl, aryl)."}]