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Link to relevant study record(s)

Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is a solid

Description of key information

Not applicable.

Key value for chemical safety assessment

Additional information

In accordance with Section 2 of Annex XI of Regulation (EC) No 1907/2006 (REACH), information requirement section 7.17, this study cannot be conducted on solid materials or gases.  According to guidance on information requirements Chapter R7, viscosity measurement is only relevant to liquids. Thus as the test item is a solid at room temperature no study was conducted.

In addition the read across substance calcium carbonate is a solid which remains solid at temperatures significantly above room temperature (melting point >825 °C). OECD Guideline no. 114 on the viscosity of liquids, indicates that the substances to be tested must be liquid at room temperature, and therefore a study of the viscosity of calcium carbonate is not required.