Registration Dossier
Registration Dossier
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EC number: 607-485-3 | CAS number: 25015-63-8
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
With high probability acutely not harmful to aquatic invertebrates.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 760 mg/L
Additional information
The test substance is known to rapidly hydrolyse in aquatic systems forming Pinacol (CAS 76-09-5), boric acid (10043-35-3) and elemental hydrogen (H2). The toxicity of the hydrolysis product boric acid was investigated in study published in 1984 (ECB IUCLID 2000). In this study, the LC50 (48h) on Daphnia magna was found to be 760 mg/L. Furthermore, a QSAR calculation using ECOSAR v1.11 for the hydrolysis product Pinacol revealed an estimated EC50 (48h) value of ca. 981 mg/L on daphnids (BASF SE, 2013). The result of this calculation is considered to be valid due to the simple molecular structure of the hydrolysis product Pinacol. Based on these values, the test substance and its products of hydolysis are not considered to be acutely harmful to aquatic invertebrates.
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