Registration Dossier
Registration Dossier
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EC number: 212-052-3 | CAS number: 756-79-6
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Test procedure according to national standards. Non-GLP study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 973
- Report date:
- 1973
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: German industrial standard test guideline DIN 38409 part 43
- GLP compliance:
- no
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:
- - Name of test material (as cited in study report): Dimethylmethanphosphonal
- Analytical purity: 79%
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- not specified
Initial test substance concentration
- Initial conc.:
- 50 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 7.42
- Sampling time:
- 5 d
BOD5 / COD results
BOD5 / CODopen allclose all
- Parameter:
- BOD5
- Value:
- 62 mg O2/g test mat.
- Parameter:
- COD
- Value:
- 835 mg O2/g test mat.
- Parameter:
- BOD5*100/COD
- Value:
- 7.42
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
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