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EC number: 309-811-7
CAS number: 101033-44-7
No studies were
conducted on the target substance, Tetrakis
[[2,2',2"-nitrilotris[ethanolato]](1-)-N,O]zirconium. As the target
substance hydrolyses rapidly (half-life < 30 minutes) the intrinsic
properties are related to hydrolysis products of the target substance.
On the basis that if
entering the environmental, this substance will quickly dissociate to
form the inorganic (poorly soluble) zirconium dioxide and
2,2',2''-Nitrilotriethanol (triethanolamine). The zirconium dioxide is
not considered further in this report as aquatic toxicity assessments do
studies of triethanolamine are well-investigated:
Fish: LC50 (96h),
Pimephales promelas, was 11800 mg/l (Geiger, D.L. et al., 1985)
(24h) Daphnia magna, was 1850 mg/l (Bringmann
cyanobacteria: EC50 (72h),Desmodesmus
subspicatus, was 512 mg/l (Aman
and Steinhaeuser, 1986)
(3h), activated sludge, > 1000 mg/l (Klecka, et al. 1985).
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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