Registration Dossier
Registration Dossier
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EC number: 269-798-8 | CAS number: 68333-89-1 The non-volatile, high-boiling residue from the distillation of products from cumene-phenol process. It consists predominantly of substituted phenyl groups crosslinked by carbon-oxygen bonds and phenylaliphatic bonds.
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
The acute toxicity of Z-Oil towards Daphnia magna was investigated in a study conducted according to OECD Guideline 202 and EU Method C.2. The 48 h NOEC, LOEC, and EL50 were determined to be 40, 80, 76.5 mg/L (nominal), respectively.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 76.5 mg/L
Additional information
The acute toxicity of Z-Oil towards Daphnia magna was investigated in a study conducted according to OECD Guideline 202 and EU Method C.2. Daphnids (5 daphnids/replicate) were exposed to Z-Oil for 48 h at nominal concentrations ranging from 5 to 100 mg test item/L under static conditions. As the test item is poorly water-soluble, the aqueous extracts (WAFs) of the test substance were used in the test. The actual test concentration was checked by IR-spectroscopy. As the test item proved to be stable in the aqueous phase (>=80% recovery after 48 h), the test results were based on nominal concentrations. The 48 h NOEC, LOEC, and EL50 were determined to be 40, 80, 76.5 mg/L (nominal), respectively.
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