Registration Dossier
Registration Dossier
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EC number: 266-030-3 | CAS number: 65996-95-4 Substance obtained by acidulating phosphate rock with phosphoric acid. Normally characterized as containing 40% or more available phosphoric oxide (P2O5). Composed primarily of calcium phosphate.
Toxicity to terrestrial plants
Administrative data
- Endpoint:
- toxicity to terrestrial plants
- Type of information:
- not specified
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Data not retrieved
Data source
Reference
- Reference Type:
- publication
- Title:
- Superphosphate, Concd.
- Author:
- European Commission
- Year:
- 2 000
- Bibliographic source:
- International Uniform Chemical Information Database. Year 2000 CD–ROM edition.
Materials and methods
- Principles of method if other than guideline:
- no data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Triple superphosphate
- IUPAC Name:
- Triple superphosphate
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test organisms
- Details on test organisms:
- Freesia and lettuce
Study design
- Test type:
- other: leaf scorch
- Study type:
- laboratory study
- Substrate type:
- not specified
- Remarks:
- no data
Results and discussion
- Details on results:
- In pot tests, leaf scorches on plants were observed only when applied triple superphosphate contained 1.86-2.78% F-. Uptake of F-by plants was reduced by increasing soil pH by liming. Injury symptoms onFreesia hybridaleaves were observed on plants fertilized with triple superphosphate containing 1.0-1.6% F-.
Any other information on results incl. tables
In pot tests, leaf scorches on plants were observed only when applied triple superphosphate contained 1.86-2.78% F-. Uptake of F-by plants was reduced by increasing soil pH by liming. Injury symptoms onFreesia hybridaleaves were observed on plants fertilized with triple superphosphate containing 1.0-1.6% F-.
Applicant's summary and conclusion
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