Registration Dossier
Registration Dossier
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EC number: 700-919-3 | CAS number: 1379524-03-4
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- other: Estimate based on read across from fractions of natural crude oil
- Adequacy of study:
- key study
- Study period:
- September 2012
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
- Principles of method if other than guideline:
- The substance is a complex UVCB for which standard test methods for this endpoint and QSBR modelling do not apply. This assessment is based on a combination of read-across data from other crude oils and relevant data for gasoline, kerosene, gasoil and distillate residue fractions of Hamaca crude oil.
- GLP compliance:
- no
Test material
- Reference substance name:
- Crude oil (petroleum) with recycled naphtha, distilled, cracked, hydrotreated and hydrodesulfurized
- EC Number:
- 700-919-3
- Cas Number:
- 1379524-03-4
- Molecular formula:
- C3H8 to C[>100]H[>202]. Also some organic sulfur & nitrogen compounds - refer to analytical reports.
- IUPAC Name:
- Crude oil (petroleum) with recycled naphtha, distilled, cracked, hydrotreated and hydrodesulfurized
Constituent 1
Results and discussion
% Degradation
- Remarks on result:
- other: The substance is not readily biodegradable but largely inherently biodegradable, containing components likely to persist in water.
Any other information on results incl. tables
The substance is not readily biodegradable but largely inherently biodegradable, containing components likely to persist in water.
Applicant's summary and conclusion
- Interpretation of results:
- inherently biodegradable, not fulfilling specific criteria
- Conclusions:
- The substance is not readily biodegradable but largely inherently biodegradable, containing components likely to persist in water.
- Executive summary:
Based on read-across biodegradability data to other crude oils, the substance is not expected to be classified as readily biodegradable.
However, the majority of individual constituent hydrocarbons present are considered inherently biodegradable. The synthetic crude oil should thus be regarded as being largely inherently biodegradable, noting that some of the higher molecular weight components (e.g. tars and asphaltenes) will persist in water.
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