Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 290-844-8 | CAS number: 90268-43-2
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
EC50 > 100 mg/L
EC10 = 88.0 mg/L
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 100 mg/L
- EC10 or NOEC for freshwater algae:
- 88 mg/L
Additional information
The influence of the test item Sulfosuccinate of Lanolin Alcohol on the growth of the green algal species Pseudokirchneriella subcapitata, formerly known as Selenastrum capricornutum, was investigated in a 72-hour test according to the OECD Guideline No. 201, 2006.
For this purpose, exponentially growing test algae were exposed for 72 hours to an aqueous test medium containing the active ingredient at five different concentrations, namely 1.0, 3.1, 9.8, 31.3 and 100.0 mg/L, corresponding to 3.2, 10.2, 32.5, 104.2 and 333.3 mg/L as test item (active ingredient content 30 %).
In the test item solutions the algal growth rate (r) after 72 hours of exposure was inhibited by a minimum value of 1.1 % for the nominal active ingredient concentration of 1.0 mg/L ( 3.2 mg/L as test item) to a maximum value of 11.2 % for the highest active ingredient concentration of 100.0 mg/L (333.3 mg/L as test item), compared to the negative control.
In the test item solutions the algal yield (Y) after 72 hours of exposure was inhibited by a minimum value of 6.0 % for the nominal active ingredient concentration of 1.0 mg/L ( 3.2 mg/L as test item) to a maximum value of 45.9 % for the highest active ingredient concentration of 100.0 mg/L (333.3 mg/L as test item), compared to the negative control.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
