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

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 4-aminonaphthalene-1-sulphonate
EC Number:
204-975-5
EC Name:
Sodium 4-aminonaphthalene-1-sulphonate
Cas Number:
130-13-2
Molecular formula:
C10H9NO3S.Na
IUPAC Name:
sodium 4-aminonaphthalene-1-sulfonate
Test material form:
solid: crystalline
Details on test material:
CAS number: 130-13-2
Chemical Name: sodium 4-aminonaphthalene-1-sulphonate
Molecular formula: C10H9NO3S.Na

Study design

Oxygen conditions:
other: modelling database

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:
The chemical sodium 4-aminonaphthalene-1-sulphonate is likely to show 50% biodegradation in water in 38 days (half-life) indicating that the chemical is non-persistant in water i.e. readily biodegradable in water
Executive summary:

The chemical sodium 4-aminonaphthalene-1-sulphonate is likely to show 50% biodegradation in water in 38 days (half-life) indicating that the chemical is non-persistant in water i.e. readily biodegradable in water

Media

Half-Life (days)

Percent in
Medium

Water

38

  16%

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