Registration Dossier
Registration Dossier
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EC number: 432-130-2 | CAS number: 119345-01-6
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Not specified
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP (taken from SNIF file). Registrant referring to studies >12 years old at the permission of ECHA.
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 432-130-2
- EC Name:
- -
- Cas Number:
- 119345-01-6
- Molecular formula:
- Not applicable ( a generic molecular formula cannot be provided for this UVCB substance)
- IUPAC Name:
- Reaction products of phosphorous trichloride, with 1,1′-biphenyl and 2,4-bis(1,1-dimethylethyl)phenol
- Details on test material:
- no data
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
no data
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- not specified
- Details on inoculum:
- no data
- Details on study design:
- no data
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradation
- Parameter:
- not specified
- Value:
- 0
- Sampling time:
- 28 d
- Remarks on result:
- other: No further information is available from the SNIF file.
- Details on results:
- Points of degradation plot (test substance):
0 % degradation after 7 d
0% degradation after 14 d
0 % degradation after 21 d
0 % degradation after 27 d
0 % degradation after 28 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
81.5 % degradation after 7 d
87.5% degradation after 14 d
90 % degradation after 21 d
90 % degradation after 27 d
90 % degradation after 28 d
Any other information on results incl. tables
The toxicity control at a concentration of the substance at 100 mg/l (nominal concentration) had no inhibitory effects on the inoculum.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- Not readily biodegradable.
- Executive summary:
Information from migrated NONS file, as per inquiry number 06-0000020725-70-0000, permission to refer granted by ECHA.
Study conducted to GLP (taken from SNIF file). Registrant referring to studies >12 years old at the permission of ECHA.
Not readily biodegradable.
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