... reducing agent,used as the raw material in the manufactuers of sodium hydrosulphite, formic acid and oxalic acid,used as ... road antifreeze and cement antifreeze. mainly applied to the manufacture of formic aicd and oxalic acid and dimethyl formamide,also in ... 03.0Organic Substance (by butt),%,≤2.55.08.0Sodium formate (by butt), %,≤979590Chloride (by butt), %,≤0.51.02Content of Fe(by butt),%,≤0.050.050 ...