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EC number: 214-987-2
CAS number: 1241-94-7
2EHDPP is a “poorly soluble” substance with tendency to stay undissolved when its concentration exceed the water solubility value. Effects observed in the presence of undissolved test material are not indicative of true toxicity but rather indicates physical effects.
The available studies on the short-term
toxicity to invertebrates of 2EHDPP are listed in the table below:
2. Aquatic toxicity data for S141.
48-h EC50: 0.38 mg/L
Effects only observed at concentrations ≥solubility
LeBlanc and Cary (1979)
48-h EC50: 0.15 mg/L
Wilson and LeBlanc (1979)
48-h LC50: 0.67 mg/L
Effects only observed at concentrations >solubility
Calvert et al. (1982a)
48-h LC50: 0.50 mg/L
Renaudette et al. (1982)
all measured toxicity values are well above the water solubility (50.6
ug/l) of the substance, 2EHDPP can not be classified as toxic to the
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