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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
other information
Study period:
1994-02-22-1994-02-24
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Daphnien- Kurztest nach DIN 38412 Teil 11 , Richtline 84/449/EWG (C2), OECD Guideline 202 (I)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
5-Fluoro-2-nitrobenzoic acid methyl ester
EC Number:
609-664-1
Cas Number:
393-85-1
Molecular formula:
C8H6FNO4
IUPAC Name:
5-Fluoro-2-nitrobenzoic acid methyl ester
Test material form:
other: yellowish liquid
Details on test material:
Purity: 96.9%

Test organisms

Test organisms (species):
Daphnia magna

Study design

Limit test:
no

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
10 - 100 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
EC0
Effect conc.:
10 - 100 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
LC100
Effect conc.:
100 - 1 000 mg/L
Nominal / measured:
nominal
Reported statistics and error estimates:
Probit-method

Applicant's summary and conclusion

Conclusions:
The LC50 after 48 h was 10-100 mg/L.