Registration Dossier
Registration Dossier
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EC number: 219-706-7 | CAS number: 2503-56-2
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms, other
- Remarks:
- bacteria toxicity (from sludge)
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- other: abstract with graphic
- Title:
- Unnamed
- Year:
- 1 995
- Report date:
- 1995
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- GLP compliance:
- no
Test material
- Reference substance name:
- 5-methyl-s-triazolo[1,5-a]pyrimidin-7-ol
- EC Number:
- 219-706-7
- EC Name:
- 5-methyl-s-triazolo[1,5-a]pyrimidin-7-ol
- Cas Number:
- 2503-56-2
- Molecular formula:
- C6H6N4O
- IUPAC Name:
- 5-methyl-s-triazolo[1,5-a]pyrimidin-7-ol
- Details on test material:
- no information
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test organisms
- Test organisms (species):
- activated sludge
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- no
- Remarks on exposure duration:
- no data
Test conditions
- Nominal and measured concentrations:
- 1000 to 10000 mg/L (taken from graph)
Results and discussion
Effect concentrations
- Dose descriptor:
- EC50
- Effect conc.:
- 5 850 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
Applicant's summary and conclusion
- Conclusions:
- The EC50 of the substance is 5850 mg/L
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.
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