Registration Dossier
Registration Dossier
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EC number: 269-128-4 | CAS number: 68187-84-8
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
7h-ErC50: 25 mg/l (read-across from blown linseed oil), which is in excess of the solubility limit.
Key value for chemical safety assessment
- EC50 for marine water algae:
- 25 mg/L
Additional information
Studies are available for blown linseed oil (BLO) and blown rapeseed oil (BRO). The studies are conducted according to OECD 201 and are validated with reliability 2. For BLO, the study resulted in an ErC50 of 25 mg/L, for BRO this was 33 mg/L. In both studies the EbC50, ErC50 and EyC50 are all in excess of the solubility limit, hence in excess of 1 mg/L. Undissolved material has disturbed the measurements of algal cell density. The results of this category are read across to BCO, for which the highest toxicity (lowest toxicity value) is used. Therefore, for BCO a 72-h ErC50 of 25 mg/l is expected, with the additional note that this value is in excess of the solubility limit.
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