Registration Dossier
Registration Dossier
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EC number: 219-706-7 | CAS number: 2503-56-2
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 27 October 1995
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- other: one page summary
- Title:
- Unnamed
- Year:
- 1 995
- Report date:
- 1996
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 solutions
- Details on test solutions:
- stirred for 24 hours with magnetic stirrer (undissolved substance was filtered and discarded)
Test organisms
- Test organisms (species):
- Danio rerio (previous name: Brachydanio rerio)
- Details on test organisms:
- zebra fish
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- yes
- Remarks on exposure duration:
- no data
Test conditions
- Nominal and measured concentrations:
- no data
- Details on test conditions:
- no details provided
Results and discussion
Effect concentrations
- Dose descriptor:
- LC50
- Effect conc.:
- > 10 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat. (dissolved fraction)
- Basis for effect:
- mortality (fish)
Applicant's summary and conclusion
- Conclusions:
- The LD50 in fish was assessed to be > 10000 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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