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EC number: 271-089-3
CAS number: 68515-47-9
Sediment toxicity:Conclusion: Results from short-term toxicity studies with an analog substance with 2 sediment invertebrates show that DTDP does not cause toxicity at the high concentrations investigated in these tests.
results of short-term toxicity studies reported as NOEC values for
sediment toxicity. The NOEC values from these studies represent the
highest concentrations tested and measured under the conditions of the
The data used to characterize the sediment
toxicity of di-isotridecyl phthalate (DTDP; CAS #68515 -47 -9) ester are
for di-isodecyl phthalate (DIDP; CAS #68515-49-1) ester, which is an
analog to DTDP. Results of studies with DIDP suggest that DTDP will not
cause toxicity to sediment dwelling organisms at high levels. Therefore,
because of the structural similarity between these substances and the
similar biological behavior of high molecular weight phthalate esters in
general, data for the analog can be used to characterize the biological
effects of DTDP for this endpoint. The sediment toxicity dataset
includes results for three species, Chironomus tentans,
Hyalella azteca, and Rana arvalis.
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