... synthetic sodium formate to produce formic acid.1,Application fields of formic acid:a, pharmaceutical industry: Caffeine,Enzinnes, ... products, pls let us know. Specification of formic acid: ItemTop GradeFirst GradeQualified GradePurity%,≥908585Chroma(Pt-Co)≤1020 Dilution ... test(Acid+water=1+3)%, ≤No cloudQualified Chloride(C1)%, ...