... called oxalates. Oxalic acid and oxalates are useful as reducing agents for photography, bleaching, and rust removal. They are ... agent, waste water treatment. acid rinse in laundries and removing scale from automobile radiators. Oxalic acid, Alkyl ... ; pigment dispersant; intermediates for barbiturates, vitamins, agrochemicals and other organic compounds. nanjing joy chemical supply with dimethyl ...