Registration Dossier
Registration Dossier
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EC number: 235-186-4 | CAS number: 12125-02-9
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Acutely harmful to aquatic invertebrates.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 136.6 mg/L
Additional information
For risk assessment of ammonium chloride the total topic of ammonia toxicity was regarded. Species mean acute values (SMAV), as given by U.S. EPA (1999) were considered as relevant endpoints. According to the U.S. EPA (1999) approach, the species mean acute values (SMAV) expressed in terms of total ammonia nitrogen at pH 8 range from 25.78 to 1466.35 mg N/L for aquatic invertebrates. The lowest SMAV at pH 8 was obtained in Ceriodaphnia acanthina: 25.78 mg N/L = 98.5 mg/L ammonium chloride. The adjusted species mean total ammonium nitrogen acute value for Daphnia magna is 35.76 mg N/L at pH 8 and corresponds to 136.6 mg/L for ammonium chloride.
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