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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 200-836-8 | CAS number: 75-07-0
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
- Study period:
- 1968 and 1995
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- These data are based on the International Programme on Chemical Safety (IPCS) published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization (Environmental Health Criteria 167) and some further publised data.
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Unnamed
- Year:
- 1 995
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- These data are based on the International Programme on Chemical Safety (IPCS) published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization (Environmental Health Criteria 167) and some further publised data. No method or guideline mentioned.
- 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
- Reference substance name:
- AB 1925000
- IUPAC Name:
- AB 1925000
- Details on test material:
- No details available.
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Nitscheria linearis
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 5 d
Results and discussion
Effect concentrations
- Duration:
- 5 d
- Dose descriptor:
- EC50
- Effect conc.:
- >= 237 - <= 249 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
Any other information on results incl. tables
Two values are reported for algae an EC5 of 82 mg/L (IPCS Handbook) and an EC50 ranges from 237 mg/L to 249 mg/L.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The EC50 of Nitzscheria linearis ranges from 237 mg/L to 249 mg/L, after 5 days exposure and under static conditions.
- Executive summary:
Two values are reported for protozoa (Chilomonas paramecium) an EC5 (48 -h; population growth) of 82 mg/L (IPCS Handbook) and the EC50 of Nitzscheria linearis ranges from 237 mg/L to 249 mg/L, after 5 days exposure and under static conditions.
These data are based on the International Programme on Chemical Safety (IPCS) published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization (Environmental Health Criteria 167) and some further publised data.
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.
