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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
ISO 6341 (Water quality - Determination of the Inhibition of the Mobility of Daphnia magna Straus (Cladocera, Crustacea))
Principles of method if other than guideline:
Tst was perfomred according to DIN 38412, part 11
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dichloro-1-(trichloromethyl)benzene
EC Number:
235-868-1
EC Name:
2,4-dichloro-1-(trichloromethyl)benzene
Cas Number:
13014-18-1
Molecular formula:
C7H3Cl5
IUPAC Name:
2,4-dichloro-1-(trichloromethyl)benzene
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
no data

Sampling and analysis

Analytical monitoring:
not specified
Details on sampling:
no data

Test solutions

Vehicle:
no
Details on test solutions:
The test material was dissolved in water under conditions of hydrolysis: pH 9 - 10; mixed for 48h. The experiments was determined with a saturated solution.

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
no data

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Post exposure observation period:
not relevant (continuous exposure)

Test conditions

Hardness:
no data
Test temperature:
room temperature
pH:
no data
Dissolved oxygen:
no data
Salinity:
no data
Nominal and measured concentrations:
saturated test item solution
Details on test conditions:
no data
Reference substance (positive control):
no

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC0
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Details on results:
No effects observed
Results with reference substance (positive control):
not relevant
Reported statistics and error estimates:
no data

Applicant's summary and conclusion

Conclusions:
Under the conditions of the study the EC0 value (24h) for 2,4-Dichlorobenzotrichloride was > 100 mg/L in Daphnia magna.