Common name: metham-sodium Molecular Formula: C2H4NaS2 Molecular weight: 129.2 Properties: Purity is ... solution is corrosive to brass,copper and zinc...Application:.Metham-sodium is a new type round disinfector which have suffocating efficacy ... ,root rot and weed seed in soil...Specification for Metham-sodium 500g/l SL.. ItemIndexAppearanceBrown liquidActivity ingredient , ≥500g/LInsoluble material, %≤ ...