Registration Dossier
Registration Dossier
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EC number: 212-052-3 | CAS number: 756-79-6
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Original reference not yet available (Reliability 1 is refered in HPV ICCA IUCLID)
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Unnamed
- Year:
- 1 990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Dimethyl methylphosphonate
- EC Number:
- 212-052-3
- EC Name:
- Dimethyl methylphosphonate
- Cas Number:
- 756-79-6
- Molecular formula:
- C3H9O3P
- IUPAC Name:
- dimethyl methylphosphonate
- Details on test material:
- - Purity: 99.4 %
- Name of test material (as cited in study report): Fyrol DMMP
- Batch No.: 8114 S-10-1
Constituent 1
Test organisms
- Test organisms (species):
- Oncorhynchus mykiss (previous name: Salmo gairdneri)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 96 h
Test conditions
- Hardness:
- 202-216 mg/L CaCO3
- Test temperature:
- 13.2-14.9 °C
- pH:
- 7.6-8.1
- Nominal and measured concentrations:
- Test concentrations (nominal): 560, 1000, 1800,3200, and 5600 mg/L
- Details on test conditions:
- - Ten fish per group
- One control group
- Fish were observed at 0.25, 2.0, 24 and thereafter every 24 hours
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 2 259 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: median lethal concentration
- Duration:
- 96 h
- Dose descriptor:
- LC100
- Effect conc.:
- 3 200 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
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.
