Registration Dossier
Registration Dossier
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EC number: 212-052-3 | CAS number: 756-79-6
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- 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 209 (Activated Sludge, Respiration Inhibition 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):
- activated sludge
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 180 min
Test conditions
- Nominal and measured concentrations:
- Test concentrations (nominal): 0, 1, 10, 100, 1000, 10000 mg/L
- Reference substance (positive control):
- yes
- Remarks:
- 3,5-Dichlorophenol
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 180 min
- Dose descriptor:
- other: EC20
- Effect conc.:
- 1 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
- Duration:
- 180 min
- Dose descriptor:
- EC50
- Effect conc.:
- > 10 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
- Results with reference substance (positive control):
- EC50 180 min 3,5-Dichlorophenol = 13.6 mg/L
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.
