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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data; Advisory Committee on Existing Chemicals of Environmental Relevance (BUA) authorized by the Federal Ministry of the Environment, Nature Conservation and Nuclear Safety

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2002

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: DIN 38412 Part II
Principles of method if other than guideline:
Daphnia short-term toxicity test (oxygen concentration >= 2mg/l)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chloro-2-nitroaniline
EC Number:
201-925-4
Cas Number:
89-63-4
Molecular formula:
C6H5ClN2O2
IUPAC Name:
4-chloro-2-nitroaniline

Test organisms

Test organisms (species):
Daphnia magna

Test conditions

Dissolved oxygen:
oxygen concentration >= 2mg/l

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC0
Effect conc.:
2.6 mg/L
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
3.2 mg/L
Remarks on result:
other: 2.9 - 3.5 mg/l
Duration:
48 h
Dose descriptor:
EC100
Effect conc.:
5.1 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Remarks:
validity 2
Conclusions:
Due to these study results the biodegradation properties (not readily biodegradable) the substance has to be classified as as R51/R53 according to 67/548/EEC, H411 according to (EC) No 1272/2008 respectively.