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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental study based upon guideline OECD 202

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
α,α-dichlorotoluene
EC Number:
202-709-2
EC Name:
α,α-dichlorotoluene
Cas Number:
98-87-3
Molecular formula:
C7H6Cl2
IUPAC Name:
(dichloromethyl)benzene
Constituent 2
Reference substance name:
Dichloromethylbenzene
EC Number:
249-854-8
EC Name:
Dichloromethylbenzene
Cas Number:
29797-40-8
IUPAC Name:
(dichloromethyl)benzene
Details on test material:
- Name of test material (as cited in study report): Benzylidenchlorid
No more data available

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
yes

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h
Remarks on exposure duration:
Direct application

Test conditions

Test temperature:
21°C
pH:
7
Salinity:
Not specified
Conductivity:
Not specified
Nominal and measured concentrations:
Measurements at 0, 24, 48h
Details on test conditions:
Not specified
Reference substance (positive control):
yes

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
>= 2.6 - <= 8.4 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Details on results:
The EC50(48h) on immobilization of Daphnia magna exposed to benzal chloride was estimated to be between 2,6 and 8,4 mg/l. Under these test conditions benza lchloride can not be classified based on the CLP regulation (EC) No 1272/2008.

Any other information on results incl. tables

The EC50(48h) on immobilization of Daphnia magna exposed to benzal chloride was  estimated to be between 2,6 and 8,4 mg/l. Under these test conditions benza lchloride can not be classified based on the CLP regulation (EC) No 1272/2008.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The EC50(48h) on immobilization of Daphnia magna exposed to benzal chloride was estimated to be between 2,6 and 8,4 mg/l. Under these test conditions benza lchloride can not be classified based on the CLP regulation (EC) No 1272/2008.