BBI for nickel plating

BBI (Bis(benzene sulphonyl)-imide)
Chemical name: Bis(benzene sulphonyl)-imide
Molecular formula: C12H11O4NS2
CA No. 2618-96-4
Appearance White or yellowish crystal solid
Assay >=90%
PH 1-2 (1% aqueous solution)
Level of addition 50 ~2000 mg/l
Application:
　　Sulfonyl imide compound, it has physical characteristic of Sulfonyl imide, soluble in alkaline solution. In electoplating, it is used as primary brightener instead of saccharin, it has better leveling ability and less consumption than saccharin.