... .98% Min4.Use as fireworks, explosive, match and paper and pulp processing and calico printing.Sodium Chlorate Formula: NaClO3 Appearance: White ... .005 Application:Use as fireworks, explosive, match and paper and pulp processing and calico printint and water purification. It is used ... own manufacturering bases. UN Number: 1495 Class: 5.1 NACLO3 (pulp bleaching)