Registration Dossier
Registration Dossier
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EC number: 232-379-5 | CAS number: 8011-76-5 Substance obtained by treating phosphate rock with sulfuric acid or a mixture of sulfuric and phosphoric acids. Composed primarily of calcium phosphates and calcium sulfate.
Toxicity to other aquatic organisms
Administrative data
- Endpoint:
- toxicity to other aquatic vertebrates
- Adequacy of study:
- supporting study
- Study period:
- 72 - 96 hours
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: non-standard test
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: American Public Health Association 1975
- Deviations:
- not specified
- Principles of method if other than guideline:
- American Public Health Association 1975 Bioassays were performed under two different temperatures (22.7oC and 30.8oC) for 72-h in 500 mL beakers for plankton and for 96-h for other animals. Each container held 20 animals and six replicates were used for each test.
- GLP compliance:
- no
Test material
- Reference substance name:
- commercial grade superphosphate (N-P2O5-K2O ratio = 0-16-0)
- IUPAC Name:
- commercial grade superphosphate (N-P2O5-K2O ratio = 0-16-0)
- Test material form:
- not specified
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test organisms
- Test organisms (species):
- other: Moina micrura (zooplankton), Cyclops viridis (zooplankton), Branchiura sowerbyi (worm), Chironomus (insect larvae), Dragonfly nymph (insect larvae), Planorbis exustus (mollusc), Lymnaea leuteola (mollusc), Viviparus bengalensis (mollusc)
Study design
- Test type:
- not specified
- Water media type:
- not specified
- Total exposure duration:
- 72 h
- Remarks on exposure duration:
- or 96 hours
Results and discussion
Any other information on results incl. tables
Avg.LC50(Moina micrura; 72-h) = 1,625 ppm superphosphate
Avg. LC50(Cyclops viridis; 72-h) = 2,305 ppm superphosphate
Avg. LC50(Branchiura sowerbyi; 96-h) = 3,320 ppm superphosphate
Avg. LC50(Chironomus; 96-h) = 1,510 ppm superphosphate
Avg. LC50(Dragonfly nymph; 96-h) = 1,133 ppm superphosphate
Avg. LC50(Planorbis exustus; 96-h) = 5,005 ppm superphosphate
Avg. LC50(Lymnaea leuteola; 96-h) = 2,950 ppm superphosphate
Avg. LC50(Viviparus bengalensis; 96-h) = 2,350 ppm superphosphate
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.
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