Registration Dossier
Registration Dossier
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EC number: 202-709-2 | CAS number: 98-87-3
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:
- 2 019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Freshwater Alga and Cyanobacteria, Growth Inhibition Test)
- Version / remarks:
- 2011
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- 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
- 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
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella 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
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