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
Type:
Constituent
Details on test material:
- Name of test material: 2-aminobenzene-1, 4-disulphonic acid
- Molecular formula: C6H7NO6S2
- Molecular weight: 253.25
- Substance type: Organic

Study design

Oxygen conditions:
not specified
Inoculum or test system:
not specified

Results and discussion

% Degradation
Parameter:
other: Halflife
Value:
50
Sampling time:
15 d
Remarks on result:
other: other details not available
Details on results:
Half life = 15 days

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable
Conclusions:
2-aminobenzene-1, 4-disulphonic acid is 50% biodegradable in water in 15 days (half-life) indicating that 2-aminobenzene-1, 4-disulphonic acid is non-persistant in water i.e. 2-aminobenzene-1, 4-disulphonic acid is readily biodegradable.
Executive summary:

2-aminobenzene-1, 4-disulphonic acid is 50% biodegradable in water in 15 days (half-life) indicating that 2-aminobenzene-1, 4-disulphonic acid is non-persistant in water i.e. 2-aminobenzene-1, 4-disulphonic acid is readily biodegradable.

Media

Half-Life (days)

Percent in
Medium

Water

15

  39%