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EC number: 232-235-1
CAS number: 7790-98-9
Aquatic toxicity of perchlorate has been extensively reviewed. In the
present dossier are presented the main studies available from registrant
side. A more in depth analysis is also provided in the attached position
paper which reviewed available literature and which allowed
determination of a relevant PNEC aquatic for perchlorate.
toxicity to freshwater fish: The median lethal concentration of
Ammonium Perchlorate to Oncorhynchus mykiss was found to be >200
mg/L (>169.3 mg/L as perchlorate ion) under the test conditions.
toxicity to freshwater fish: The NOEC-12 wk of Ammonium
Perchlorate to Danio rerio was found to be 11.48 mg/L (9.7 mg/Las
perchlorate ion) under the test conditions.
toxicity to aquatic invertebrates: The toxic effect of Ammonium
Perchlorate to Daphnia magna was assessed in the static
dose-response test and it was concluded that the 48 hour EC50 value was
>341 mg/L (288.6 mg/L as perchlorate ion).
toxicity to aquatic invertebrates: The NOEC-6d of Ammonium
Perchlorate to Ceriodaphnia dubia was assessed in the semi-static
dose-response test and it was concluded that the NOEC-7d value was 12
mg/L (10.2 mg/L as perchlorate ion).
to aquatic algae and cyanobacteria: The growth inhibition study
of freshwater algae Pseudokirchneriella subcapitata found that
the EC10 of Ammonium Perchlorate was 42.2 mg/L (35.7 mg/L as perchlorate
ion). The EC50 of Ammonium Perchlorate was > 505 mg/L (427.4 mg/L as
perchklorate ion) based on average specific growth rate and 245.6 mg/L
based on yield (207.9 as perchlorate ion).
to amphibians: The NOEC of the perchlorate ion (geometric mean of
the results of 3 laboratories for which iodide concentration data were
relevant and reported) for growth and development was calculated to be
to microorganisms (sludge inhibition test): At the highest
concentration tested (1 g/L) ammonium perchlorate did not inhibit
sludges respiration after 30 minutes of exposure. The 3-hour EC50 of the
test item Perchlorate d’ammonium for activated sludge respiration
inhibition was > 1000 mg/L. The highest test item concentration without
significant effect on the respiration was >= 1000 mg/L 846.4 mg/L as
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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