Registration Dossier
Registration Dossier
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EC number: 201-058-1 | CAS number: 77-78-1
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data taken from EU Risk Assessment
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Reference Type:
- secondary source
- Title:
- EU Risk Assessment Report 12, CAS No. 77-78-1
- Author:
- Office for Official Publications of the European Communities
- Year:
- 2 002
- Bibliographic source:
- Office for Official Publications of the European Communities, 2002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Dimethyl sulphate
- EC Number:
- 201-058-1
- EC Name:
- Dimethyl sulphate
- Cas Number:
- 77-78-1
- Molecular formula:
- C2H6O4S
- IUPAC Name:
- dimethyl sulfate
- Details on test material:
- TS-Freetext:
Dimethyl sulphate
CAS No. 77-78-1
purity: no data
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test organisms
- Test organisms (species):
- activated sludge
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 180 min
Results and discussion
Effect concentrations
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- 377 mg/L
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.
