Registration Dossier
Registration Dossier
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EC number: 402-670-3 | CAS number: 106797-53-9 DAROCUR (R) 2959; DAROCUR 2959
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:
- no data
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Test was conducted according to Directive 92/69/EEC,C3, OECD 201(1984) and compliant with GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- EC Number:
- 402-670-3
- EC Name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- Cas Number:
- 106797-53-9
- Molecular formula:
- C12H16O4
- IUPAC Name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- Details on test material:
- Identity and concentration of auxiliary solvent for dispersal: none
Constituent 1
Test organisms
- Test organisms (species):
- other: Scenedesmus subspicatus (green algae)
Study design
- Test type:
- static
- Limit test:
- no
Test conditions
- Hardness:
- 24 mg CaCO3/L
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 97.6 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 mg/L
- Basis for effect:
- growth rate
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.
