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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: conforms to guideline & GLP

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: OECD 202. Part 2 - effects on biotic systems. 14-d reproduction test
Deviations:
yes
Remarks:
modificated to 21 days
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
1-chloro-2,4-dinitrobenzene
EC Number:
202-551-4
EC Name:
1-chloro-2,4-dinitrobenzene
Cas Number:
97-00-7
Molecular formula:
C6H3ClN2O4
IUPAC Name:
1-chloro-2,4-dinitrobenzene
Details on test material:
Analytical purity: 99.7 %

Sampling and analysis

Analytical monitoring:
yes
Details on sampling:
water samples taken from the beginning and the end in 3 intervals

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
Clone 5 (IRChA, France):

Study design

Test type:
semi-static
Water media type:
freshwater
Total exposure duration:
21 d

Test conditions

Test temperature:
20.5 - 21.5 ºC
pH:
8.1 - 8.4
Dissolved oxygen:
8.1 - 9.0 mg/l
Details on test conditions:
Test concentrations: 0 / 0.01 / 0.032 / 0.1 / 0.32 / 1 mg/l (10 animals used per concentration and control group)

Results and discussion

Effect concentrationsopen allclose all
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
0.32 mg/L
Basis for effect:
immobilisation
Duration:
21 d
Dose descriptor:
LOEC
Effect conc.:
1 mg/L
Basis for effect:
immobilisation
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
0.1 mg/L
Basis for effect:
reproduction
Duration:
21 d
Dose descriptor:
LOEC
Effect conc.:
0.32 mg/L
Basis for effect:
reproduction

Applicant's summary and conclusion