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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
long-term toxicity to fish, other
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:
OECD Guideline 204 (Fish, Prolonged Toxicity Test: 14-day Study)
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:
Substance concentration determined before study and once a week until the end

Test organisms

Test organisms (species):
Danio rerio (previous name: Brachydanio rerio)

Study design

Test type:
flow-through
Water media type:
freshwater
Total exposure duration:
28 d

Test conditions

Hardness:
2.5 - 2.7 mmol/l
Test temperature:
21 - 23 ºC
pH:
7.9 - 8.3
Details on test conditions:
Conductivity: 630 - 700 uS/cm
Photoperiod: 6 am to 6 pm
Light intensity: approx. 700 lux

Test concentrations: 0 / 0.005 / 0.016 / 0.05 / 0.16 / 0.5 mg/l (10 fish used per concentration)

Results and discussion

Effect concentrationsopen allclose all
Duration:
28 d
Dose descriptor:
LOEC
Effect conc.:
0.16 mg/L
Basis for effect:
mortality
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
0.05 mg/L
Basis for effect:
mortality
Duration:
28 d
Dose descriptor:
LOEC
Effect conc.:
0.05 mg/L
Basis for effect:
other: any observed effect
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
0.016 mg/L
Basis for effect:
other: any observed effect
Details on results:
No lethality occurred in the concentration of 0.05 mg/l or less.
Results with reference substance (positive control):
No lethality occurred in the control group.

Applicant's summary and conclusion