Registration Dossier
Registration Dossier
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EC number: 203-299-8 | CAS number: 105-45-3
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: limited information available
Data source
Referenceopen allclose all
- Reference Type:
- secondary source
- Title:
- No information
- Author:
- Hoechst AG
- Year:
- 1 986
- Bibliographic source:
- unpublished data
- Reference Type:
- secondary source
- Title:
- IUCLID data set for CAS: 105-45-3
- Author:
- ECB
- Year:
- 2 000
- Bibliographic source:
- ECB IUCLID
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- ETAD Fermentation Tube Method
- GLP compliance:
- no
Test material
- Reference substance name:
- Methyl acetoacetate
- EC Number:
- 203-299-8
- EC Name:
- Methyl acetoacetate
- Cas Number:
- 105-45-3
- Molecular formula:
- C5H8O3
- IUPAC Name:
- methyl 3-oxobutanoate
- Details on test material:
- - Name of test material (as cited in study report): Methyl acetoacetate
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test organisms
- Test organisms (species):
- anaerobic bacteria from a domestic water treatment plant
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 24 h
Results and discussion
Effect concentrations
- Duration:
- 24 h
- Dose descriptor:
- EC0
- Effect conc.:
- 500 - 1 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: damage threshold
Applicant's summary and conclusion
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
