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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic plants other than algae

Administrative data

Endpoint:
toxicity to aquatic plants other than algae
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004
Report date:
2004

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 221 (Lemna sp. Growth Inhibition Test)
Deviations:
no

Test material

Test organisms

Test organisms (species):
Lemna minor

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
7 d

Test conditions

Reference substance (positive control):
yes

Results and discussion

Effect concentrationsopen allclose all
Duration:
7 d
Dose descriptor:
EC50
Effect conc.:
> 184.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:
Remarks on result:
other:
Duration:
7 d
Dose descriptor:
LOEC
Effect conc.:
> 184.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:
Duration:
7 d
Dose descriptor:
NOEC
Effect conc.:
184.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other:
Duration:
7 d
Dose descriptor:
EC50
Effect conc.:
> 184.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate
Remarks on result:
other:
Duration:
7 d
Dose descriptor:
LOEC
Effect conc.:
> 184.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate
Duration:
7 d
Dose descriptor:
NOEC
Effect conc.:
184.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion

Validity criteria fulfilled:
yes