Ammonium thiosulphate

Key Attributes.

Formula :(NH 4)2 S2O3 Molecular Weight : 148.21 Specific Gravity :1.320 to 1.340 Free Ammonia : 1 % Max Sulphite Content :1.5 % Max pH:8 to 9.5 pH Assay as (NH4)2S2O3:58 to 60 % W/W Description: Perfectly clear Colorless Solution with faint smell of Ammonia.