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EC number: 201-114-5
CAS number: 78-40-0
A long-term study in terrestrial plants, althought having some
restrictions can be used for assessment. This study yields a NOEC of 2
mg/kg wwt.. Recalcution into dry weight and normalisation with the
organic matter content (1.5%) according to REACH Guidance Document R10
gives a NOEC of 4 mg/kg d.w..
The phytotoxicity of triethylphosphate was investigated following foliar
or soil application to sorghum-sudangrass, tomato or glossy privet
(vegetative growth). The effects on seedling emergence were also
assessed on sorghum-sudangrass, tomato and cucumber. Evidence of
phytotoxicity (growth and seedling emergence) was seen in this study
only at the highest application rate of 40000 mg/m2 (soil or foliar). No
effects were seen at an application rate of 400 mg/m2.
This study has some limitations (the number of species and endpoints is
low). Additionally a high spacing factor of 100 was used. Nevertheless a
clear NOEC can be derived.
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