Chemicals, dyestuff and dye Intermediates, Sulphur dyes and Disperse dyes, 2, 4-dinitrochlorobenzene, 2, 4-dinitrophenol(sodium), 2, 4-dinitroaniline, 2-amino-4-nitrophenol(sodium), 6-chloro-2, 4-dinitroaniline, 6-bromo-2, 4-dinitroaniline, Soda and so on.