Wanted: Alternative to thiourea in silver polish


Summary

We are looking for an alternative for thiourea in silver polish/care due to its toxicity and classification according to REACH/CLP. 


Description

We are looking for an alternative for thiourea in silver polish/care due to its toxicity and classification according to REACH/CLP. Acidified thiourea chemically dissolves tarnish from disilver sulfide on silver products, e.g. jewellery. Attached is an example of MSDS for a silver polish.


Alternative should replace

Thiourea, CAS 62-56-6 (*beta*-Thiopseudourea, 2-Thiourea, Isothiourea, Thiocarbamide, Thiocarbonic acid diamide)


Iduna AB
Company
Iduna AB
Contact
Anders Jönsson

Material Article Category
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