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Physical & Chemical properties


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Administrative data

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

Key value for chemical safety assessment

Additional information

According to the ECHA Endpoint specific guidance (R.7a), viscosity measurement is only relevant to liquids. As NMMO is a solid at ambient temperature, the study has been omitted, in accordance with Annex XI (Section 2) of the REACH Regulation.