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Data waived - Study technically not feasible.  The study does not need to be conducted because the substance is a solid.  According to Column 2 of REACH Annex IX, viscosity data are not required for solid substances.  The representative substance of Ni sulphamate used for testing of physico-chemical endpoints is a solid, and therefore viscosity data were not deemed relevant.  However, as Ni sulphamate is typically placed on the market in the EU in solution, individual submissions may reflect this information in Section 1.4. 

Key value for chemical safety assessment

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