Pn (ch3nao4s) Pn (ch3nao4s) Hydroxymethanesulfonic acid, monosodium salt Cas no. 870-72-4 Appearance: clear colorless liquid Assay: 28% Density g/cm3 (20: 1.20~1.25 Ph: 7 Refractive index(20:1.3700~1.3830 Application: it can effectively complex metal ion such as cu, zn, pb, co-depositing with nickel ion.
