Registration Dossier
Registration Dossier
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EC number: 202-751-1 | CAS number: 99-34-3
Biodegradation in water and sediment: simulation tests
Administrative data
- Endpoint:
- biodegradation in water and sediment: simulation tests
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other: Prediction model
- Title:
- Biodegradation in water and sediment by EPI (Estimation Programs Interface) Suite
- Author:
- Sustainability Support Service (Europe) AB - estimated
- Year:
- 2 011
- Bibliographic source:
- Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Modelling database
- Principles of method if other than guideline:
- Level III Fugacity Model
- GLP compliance:
- no
Test material
- Reference substance name:
- 3,5-dinitrobenzoic acid
- EC Number:
- 202-751-1
- EC Name:
- 3,5-dinitrobenzoic acid
- Cas Number:
- 99-34-3
- Molecular formula:
- C7H4N2O6
- IUPAC Name:
- 3,5-dinitrobenzoic acid
Constituent 1
- Radiolabelling:
- not specified
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- other: water/sediment
- Parameter followed for biodegradation estimation:
- test mat. analysis
- Details on study design:
- Persistence Time : 1420 (1.42e+003) hr
Reaction Time : 2110 (2.11e+003) hr
Reference substance
- Reference substance:
- not specified
Results and discussion
Mean total recoveryopen allclose all
- Compartment:
- other: water, material (mass) balance
- % Recovery:
- 23.2
- Compartment:
- other: sediment, material (mass) balance
- % Recovery:
- 0.088
% Degradation
- % Degr.:
- 50
- Parameter:
- test mat. analysis
Half-life of parent compound / 50% disappearance time (DT50)open allclose all
- Compartment:
- water
- DT50:
- 900 h
- Type:
- not specified
- Compartment:
- sediment
- DT50:
- 8 100 h
- Type:
- not specified
- Transformation products:
- not specified
- Evaporation of parent compound:
- not specified
- Volatile metabolites:
- not specified
- Residues:
- not specified
- Details on results:
- Biodegradation in water : 50% degradation in 900 hr
Biodegradation in sediment : 50% degradation in 8100 hr
Applicant's summary and conclusion
Validity criteria
- Validity criteria fulfilled:
- yes
- Executive summary:
Biodegradation : 50% degradation in both sediment and water.
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.
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