Registration Dossier
Registration Dossier
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EC number: 200-836-8 | CAS number: 75-07-0
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 995
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Acetaldehyde
- EC Number:
- 200-836-8
- EC Name:
- Acetaldehyde
- Cas Number:
- 75-07-0
- Molecular formula:
- C2H4O
- IUPAC Name:
- acetaldehyde
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Tetrahymena pyriformis
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 9 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 3 h
- Dose descriptor:
- IC50
- Effect conc.:
- 625 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
- Duration:
- 6 h
- Dose descriptor:
- IC50
- Effect conc.:
- 44 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
- Duration:
- 9 h
- Dose descriptor:
- IC50
- Effect conc.:
- 44 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
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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