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EC number: 231-955-3
CAS number: 7782-42-5
The substance graphite is expected to be not bioavailable. This
assumption is based firstly on its negligible solubility in water and in
organic solvents and secondly on its molecular size, making crossing
biological membranes unlikely. Furthermore, the crystal modification
graphite is the thermodynamic most stable modification of the element
Therefore, potential toxic effects are expected to be triggered by
graphite's impurities, which consist mainly of aluminium silicates such
as muscovite and iron oxide but not by the substance graphite itself. In
the environment, the impurities of graphite are present unlimited, hence
derivation of PNEC values for graphite appears scientifically not to be
A classification of the substance graphite is scientifically not
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