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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Water solubility

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Description of key information

Graphistrength C100 TMWCNTs nanoparticles are not water soluble.

Key value for chemical safety assessment

Additional information

Water accommodated fractions of Graphistrength C100 TMWCNTs were prepared in UP water in conditions equivalent to OECD TG 105 (flask method). These suspensions were first filtered on 25 nm filters. Filtrates were analysed for total carbon. No significant difference was observed between blanck (filtered UP water) and WAFs. In order to check for presence of some CNTs into the fitrates these were filtered once again on 100 kDa (6.8 nm) filters. Filters were dried and examined by TEM. No particles with CNT's shape were observed.

This confirms that Graphistrength C100 TMWCNTs nanoparticles are not water soluble.