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EC number: 701-315-2
CAS number: -
studies showed no toxicity at nominal concentrations up to 10 mg L-1
(highest concentration tested). Analytical monitoring of both the
organic ligand and platinum showed very low concentrations of platinum
and the organic ligand could be detected in solution. As the test item
is very poorly soluble and it was not possible to get more of the test
item into solution, aquatic toxicity is not expected at the limit of
solubility and this was demonstrated in the rangefinding studies.
Definitive ecotoxicity tests were therefore not conducted for this
on the results from solubility trials it is concluded that neither the
organic ligand nor the platinum component of Karstedt concentrate will
enter solution in high enough amounts to lead to aquatic toxicity. This
is supported by the results of the rangefinder studies conducted with
three trophic levels at a highest nominal concentration of 10 mg L-1.
As it is not possible to get more of the test item in solution,
conducting definitive ecotoxicity studies is not considered to be
necessary. To conclude on environmental classification the standard
approach would be to test up to a nominal concentration of 100 mg L-1.
However, for this substance testing at a nominal concentration of 100 mg
L-1 is considered to be unnecessary, as the limit of
solubility appears to have been reached at the nominal concentration of
10 mg L-1, and testing at higher concentrations would not
lead to additional test item in solution. As no toxicity was observed at
the limit of solubility in the rangefinder studies, neither an acute or
chronic environmental classification is considered to be required for
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