Product English name: Tin(11) methanesulfonate Cas no.: 53408-94-9 HS no.: 2931000090 Detailed specification DetailsSpecification Appearanceachromatic or light-yellow clear liquid （Sn2+） Stannous Tin g/l300~315 Free MSA %4~6 Specific gravity g/cm31.500~1.550 (Cl-) mg/kg Chloride50 max (Fe) mg/kg Iron20 max （Zn） mg/kg Zinc3 max （Cu） mg/kg Copper4 max （Pb） mg/kg Lead50 max % Content52~54 (SO42-) mg/kg Sulfate50 max Package: 250 kg HDPE drums on pallets UN-certified. MOQ:250kgs or 25KGS Payment terms: by L/C at sight or T/T