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EC number: 272-702-7
CAS number: 68909-34-2
Aquatic toxicity data of zirconium, acetate
lactate oxo ammonium complexes are not available. Zirconium, acetate
lactate oxo ammonium complexes consists of ammonium [NH4]+ and zirconium
[Zr]4+ cations and acetate [CH3COO]2- and lactate [CH3CH(OH)COO]2-
anions. A complete dissociation of zirconium, acetate lactate oxo
ammonium complexes resulting in ammonium, zirconium, acetate and lactate
ions may be assumed under environmental conditions. Since acetate,
ammonium, lactate and zirconium ions upon release behave differently in
the environment, the fate and toxicity of acetate, ammonium, lactate and
zirconium ions in the environment is most accurately assessed separately.
potential for acute toxicity of acetate to fish is low based on the 96-h
LC50 of 78 mg/L (non-adapted pH) and a respective QSAR-based estimate of
seems to have a low acute toxicity to fish with 96-h LC50 values ranging
from 74.2 to 218 mg/L and the majority of endpoints being above the OECD
test limit of 100 mg/L.
lactate, experimental and QSAR-based 96-h LC50 values are above the OECD
test limit of 100 mg/L.
Zirconium is poorly soluble and precipitates
under most environmental conditions whereas neodecanoate is rather
potential for acute toxicity of zirconium to fish is thus low based on
the 96h-LL50 above the OECD 203 test limit of 100 mg/L for Danio rerio.
sum, a hazard was not identified for any of the dissociation products of
zirconium, acetate lactate oxo ammonium complexes and a low potential
for acute toxicity to fish is assumed for zirconium, acetate lactate oxo
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