The train was carrying industrial materials used in plastics, paint thinners and other products, according to information provided to the federal government.
Deaths from contaminated cough syrups in Gambia have brought attention to loose regulations in India and a lack of testing capacity in poor importing nations.
Tainted syrup from India may be connected to the deaths of dozens of children in Gambia, officials said. Indonesia banned cough syrup sales, though the link there is unclear.