Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
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:
Bio-degradation in water by Environmental Science Center’s PBT profiler
Author:
Environmental Science Center
Year:
2010
Bibliographic source:
PBT profiler, Office of Chemical Safety and Pollution Prevention , U.S. Environmental Protection Agency; version 1.301

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Modelling database
Principles of method if other than guideline:
PBT profiler database
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material: 4-fluoroaniline
- Molecular formula: C6H6FN
- Molecular weight: 111.12
- Substance type: Organic
- Physical state: Liquid

Study design

Oxygen conditions:
other: modelling database
Inoculum or test system:
not specified
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
test mat. analysis
Reference substance
Reference substance:
not specified

Results and discussion

% Degradation
Parameter:
other: Halflife
Value:
50
Sampling time:
38 d
Remarks on result:
other: Other details not available
Details on results:
Half life = 38 days

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable
Conclusions:
Biodegradation in water: 50% degradation in 38 days.
Based upon this half life value it is concluded that 4-fluoroaniline is readily biodegradable in water
Executive summary:

Half life (50% degradation) of 4 -fluoroaniline in water is 38 days. Based upon this half life value, it is concluded that 4-fluoroaniline is readily biodegradable in water.