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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Description of key information

  • Data waived - Study scientifically not necessary / other information available. The study does not need to be conducted because the melting point is above 300oC.
  • No data are available for vapour pressure of nickel sulphate, as reported in the EU Risk Assessment for nickel sulphate (2008-2009). Column 2 of REACH Annex VII provides the following exemption: A vapour pressure study does not need to be conducted for solids which either melt above 300°C or decompose before boiling. The melting point for the anhydrous form of nickel sulphate is >800°C; see IUCLID Section 4.2 and the “Overview of physico-chemical properties” table above (Table 7).

Key value for chemical safety assessment

Additional information