Registration Dossier
Registration Dossier
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EC number: 215-158-8 | CAS number: 1308-14-1
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Information from a peer reviewed Assessment Report. Chromium(III) hydroxide is insoluble between pH 6.8 and 11 (see section 4.8). Under conditions < pH 6.8 hydrolysis takes place and at > pH11.5 hydroxocomplexes are formed. The main toxic principle of these solutions < pH6.8 and > pH11.5 is dissolved Cr(III). Therefore Chromium(III) nitrate is used as supporting substance.
Data source
Reference
- Reference Type:
- other: Peer reviewed assessment report
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Principles of method if other than guideline:
- Summary of 96h LC50 values from peer reviewed assessment report
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Chromium trinitrate
- EC Number:
- 236-921-1
- EC Name:
- Chromium trinitrate
- Cas Number:
- 13548-38-4
- Reference substance name:
- Chromium(III) nitrate
- IUPAC Name:
- Chromium(III) nitrate
Constituent 1
Constituent 2
Test organisms
- Test organisms (species):
- Oncorhynchus mykiss (previous name: Salmo gairdneri)
- Details on test organisms:
- Rainbow trout
Study design
- Test type:
- not specified
- Water media type:
- freshwater
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 24.1 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- other: mg chromium/L
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: Rainbow trout (Oncorhynchus mykiss)
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 4.4 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- other: mg chromium/L
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: Rainbow trout (Oncorhynchus mykiss)
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- 96h Acute toxicity of chromium(III)nitrate to Rainbow trout (Oncorhynchus mykiss) is reported to be between 4.4 – 24.1 mg chromium/L in freshwater.
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