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EC number: 271-089-3
CAS number: 68515-47-9
Short-term toxicity to aquatic invertebrates:Conclusion: Results from short-term invertebrate toxicity studies with several invertebrate species show that DTDP does not cause toxicity at the maximum achievable aqueous concentrations investigated in these tests (i.e. in excess of water solubility).
results of short-term toxicity studies are reported as EC50,
LC50, and NOEC values for acute invertebrate toxicity. The
NOEC values represent the highest concentration measured in these
studies that did not demonstrate effects. In all cases this was the
highest concentration attainable and measured under the conditions of
the study. The use of the NOEC values in the results overview table to
derive values for quantitative risk assessment is inappropriate as they
are not true NOEC values.
The data used to characterize the
invertebrate acute toxicity of di-isotrindecyl phthalate (DTDP) ester
are consistent with the data for several high molecular weight phthalate
diesters summarized by Staples et al. (1997). These data show that high
molecular weight phthalate diesters do not produce acute toxicity to
invertebrates at or below their maximum attainable solubliity. The acute
invertebrate dataset includes results for three species, Daphnia
magna, Paratanytarsus parthenogenetica, and Mysidopsis bahia (new
name: Americamysis bahia).
Staples et al. (1997). Aquatic toxicity of
eighteen phthalate esters. Environ. Toxicol. Chem. 16(5): 875 -891.
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