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.
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.
