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EC number: 500-464-9
CAS number: 160901-27-9
1 - 2.5 moles ethoxylated
ErC50 (72 h) > 100 mg a.i./L (nominal) and NOEC (72 h) = 31.3 mg a.i./L (nominal) for Pseudokirchneriella subcapitata.
The assessment is based on the data currently available. New
studies, based on the category review and the final decisions issued for
some of the category substances, which are also relevant for this
assessment, are currently being conducted. The hazard assessment with
respect to aquatic toxicity will be updated once all ongoing studies
have been finalised.
For aquatic algae no studies on toxic effects of effects AES (C9
-11, 1 -2.5EO) NH4 (CAS 160901 -27 -9) are available. Therefore, a
read-across approach from the structural comparable AES (C8 -10, 1
-2.5EO) NH4 (CAS 68891 -29 -2) mixture was applied.
For AES (C8 -10, 1 -2.5EO) NH4 a GLP-study was performed according
to OECD guideline 201. Based on growth rate an EC50 (72 h) > 100 mg
a.i./L (nominal) for Pseudokirchneriella subcapitata was determined. The
corresponding NOEC (72 h) was 31.3 mg a.i./L (nominal) (BASF, 2013).
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.
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