Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
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 201

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 201 (Freshwater Alga and Cyanobacteria, Growth Inhibition Test)
Version / remarks:
2011
Deviations:
no
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
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:
not specified

Test organisms

Test organisms (species):
Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
Details on test organisms:
Strain SAG 61.81 from commercial supplier

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
72 h
Remarks on exposure duration:
Direct application
Post exposure observation period:
72h

Test conditions

Hardness:
Not specified
Test temperature:
21-24°C +- 2°C
pH:
7,5 +- 0,1
Dissolved oxygen:
Not specified
Salinity:
Not specified
Conductivity:
Not specified
Nominal and measured concentrations:
50mL per replicate
Reference substance (positive control):
yes

Results and discussion

Effect concentrations
Key result
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
>= 30 - <= 50 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
cell number
Details on results:
Benzal chloride should not be classified according to CLP-Regulation (EC) No 1272/2008

Any other information on results incl. tables

Benzal chloride should not be classified according to CLP-Regulation (EC) No 1272/2008

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
Benzal chloride should not be classified according to CLP-Regulation (EC) No 1272/2008