Registration Dossier
Registration Dossier
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EC number: 219-754-9 | CAS number: 2524-03-0
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:
- September 1977
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 977
- Report date:
- 1977
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Dilutions of substance added to water with guppies. Number of dead fish counted (out of 3).
- GLP compliance:
- no
Test material
- Reference substance name:
- O,O-dimethyl phosphorochloridothioate
- EC Number:
- 219-754-9
- EC Name:
- O,O-dimethyl phosphorochloridothioate
- Cas Number:
- 2524-03-0
- Molecular formula:
- C2H6ClO2PS
- IUPAC Name:
- O,O-dimethyl chlorophosphonothioate
Constituent 1
Test organisms
- Test organisms (species):
- Poecilia reticulata
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Total exposure duration:
- 24 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- ca. 131 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- mortality (fish)
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- ca. 87 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- mortality (fish)
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- ca. 65 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- mortality (fish)
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- ca. 175 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- mortality (fish)
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- ca. 262 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- mortality (fish)
Any other information on results incl. tables
- Sublethal observations / clinical signs:
a 24 h LC50 for guppies was determined to 220 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The LC50 on fish on the substance has been determined to be 220 mg/l.
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