Registration Dossier
Registration Dossier
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EC number: 283-810-9 | CAS number: 84713-17-7
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- no data available
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Documentation insufficient for assessment
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 E (Ready biodegradability: Modified OECD Screening Test)
- Version / remarks:
- (1981)
- Deviations:
- not specified
- GLP compliance:
- no
Test material
- Reference substance name:
- 2,2,4(or 2,4,4)-trimethylhexanedinitrile
- EC Number:
- 283-810-9
- EC Name:
- 2,2,4(or 2,4,4)-trimethylhexanedinitrile
- Cas Number:
- 84713-17-7
- Molecular formula:
- C9H14N2
- IUPAC Name:
- 2,2,4-trimethylhexanedinitrile; 2,4,4-trimethylhexanedinitrile
- Details on test material:
- 2,2,4 (or 2,4,4)-Trimethylhexanedinitrile of Hüls AG, commercial purity (not quantified)
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, predominantly domestic (adaptation not specified)
Initial test substance concentration
- Initial conc.:
- 10 mg/L
- Based on:
- DOC
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 15
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegradable
- Conclusions:
- The biodegradability of 2,2,4 (or 2,4,4)-trimethylhexanedinitrile in the Modified OECD Screening Test was determined as 15 % within 28 days.
- Executive summary:
The biodegradability of 2,2,4 (or 2,4,4)-trimethylhexanedinitrile in the Modified OECD Screening Test was determined as 15 % (DOC removal) within 28 days at a starting DOC concentration of 10 mg/l.
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