Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 408-050-9 | CAS number: 76855-69-1 4-AA; AOSA; AZETIDONE-KANEKA; GR91990X
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- Principles of method if other than guideline:
- ETAD Method 103
- GLP compliance:
- yes
Test material
- Reference substance name:
- (2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
- EC Number:
- 408-050-9
- EC Name:
- (2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
- Cas Number:
- 76855-69-1
- Molecular formula:
- C13H25NO4Si
- IUPAC Name:
- (2R,3R)-3-[(1R)-1-[(tert-butyldimethylsilyl)oxy]ethyl]-4-oxoazetidin-2-yl acetate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Study design
- Water media type:
- not specified
- Total exposure duration:
- 3 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 3 h
- Dose descriptor:
- IC50
- Effect conc.:
- > 100 mg/L
- Duration:
- 3 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 10 mg/L
- Details on results:
- Results are based on nominal concentrations
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.
