Registration Dossier
Registration Dossier
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EC number: 203-247-4 | CAS number: 104-88-1
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- secondary literature
Data source
Reference
- Reference Type:
- secondary source
- Title:
- IUCLID dataset, 4-chlorobenzaldehyde
- Author:
- ECB-IUCLID
- Year:
- 2 000
- Bibliographic source:
- EU Commission - ECB-IUCLID
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- GLP compliance:
- no
Test material
- Reference substance name:
- 4-chlorobenzaldehyde
- EC Number:
- 203-247-4
- EC Name:
- 4-chlorobenzaldehyde
- Cas Number:
- 104-88-1
- Molecular formula:
- C7H5ClO
- IUPAC Name:
- 4-chlorobenzaldehyde
- Details on test material:
- no data
Constituent 1
- 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:
- no
- Details on sampling:
- no data
Test solutions
- Vehicle:
- not specified
- Details on test solutions:
- no data
Test organisms
- Test organisms (species):
- Photobacterium phosphoreum
- Details on inoculum:
- no data
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 30 min
- Post exposure observation period:
- no data
Test conditions
- Hardness:
- no data
- Test temperature:
- no data
- pH:
- no data
- Dissolved oxygen:
- no data
- Salinity:
- no data
- Nominal and measured concentrations:
- no data
- Details on test conditions:
- no data
- Reference substance (positive control):
- not specified
Results and discussion
Effect concentrations
- Duration:
- 30 min
- Dose descriptor:
- EC50
- Effect conc.:
- 10.1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
- Details on results:
- no data
- Results with reference substance (positive control):
- no data
- Reported statistics and error estimates:
- no data
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Based on the results of this study the EC50 of 4-chlorobenzaldehyde to Photobacterium phosphoreum was 10.1 mg/L.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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