Registration Dossier
Registration Dossier
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EC number: 267-184-4 | CAS number: 67801-64-3
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
The influence of 2-tert-butylcyclohexyl ethyl carbonate on the growth of the freshwater green algae Pseudokirchneriella subcapitata was assessed in a static dose response test in a GLP study following OECD 201. The 72-hour ErC50 value was calculated to be 10.7 mg test item/L.
The ErC10 value was calculated to be 3.76 mg test item/L, the 72-hour NOErC was determined to be 1.35 mg test item/L and the associated 72-hour LOErC was 3.35 mg test item/L. As the test item was found to be stable over the study period all results are based on initial measured concentrations (nominals were not used as the original stock solution was prepared at a concentration known to be above the solubility limit and all test solutions were either the stock solution itself or serial dilutions of it).
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 10.7 mg/L
- EC10 or NOEC for freshwater algae:
- 1.35 mg/L
Additional information
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