Registration Dossier
Registration Dossier
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EC number: 221-304-1 | CAS number: 3061-75-4
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
NOEC (21 d) > 80 µg/L for Daphnia magna (OECD 202), no long term effects in the range of water solubility.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 80 µg/L
Additional information
The hazard assessment is based on the data currently available. This information will be submitted later based on ECHA communication/decision number TPE/CCH-D-2114598209-34-01/F
No data are available for the long-term toxicity of docosanamide (CAS No. 3061-75-4) towards aquatic invertebrates. Therefore data from the analogue substance (Z) -docos-13-enamide (CAS No.112-84-5) are used as read across.
The long-term toxicity of (Z) -docos-13-enamide to aquatic invertebrates was investigated in one prolonged study according to OECD guideline 202 (Marshall and Harding, 1996). In this test, Daphnia magna was exposed to analytically verified concentrations of 23 and 80 µg/L (nominal 33 and 100 µg/L) for 21 days under semi-static conditions. As the number of neonates, time for first brood and size of first brood of exposed daphnids did not differ significantly from the control groups; the NOEC (21 d) is stated as ≥ 80 µg/L (measured).
Based on read across to (Z) -docos-13-enamide (CAS No.112-84-5), long term effects are not expected for docosanamide (CAS No. 3061-75-4).
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