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Na CN Solution is it dangerous

I have information that to wash the metal part (my metal parts Cu plated with Sn) is use NaCN, I have some question :
1. Is it dangerous Na CN solution (1%)?
2. What the supplier (brand) name for Na CN 3. What the other solution that can be use for cleaning (Cu plated with Sn)

Canaria Agus Palmer
electronics - Batam, Riau, Indonesia
2002

NaCN is sodium cyanide and it is HIGHLY TOXIC, even at 1%. If you want a substitute, ask your local chemical supply house.

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
2002

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