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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
other: expert judgement
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: expert judgement based available information

Data source

Reference
Reference Type:
other: expert judgement
Title:
Unnamed
Year:
2017

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
Expert judgement based on available data

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrasodium 4-[[3,5-bis[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]-2,4(or 2,6)-dihydroxyphenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
EC Number:
304-762-8
EC Name:
Tetrasodium 4-[[3,5-bis[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]-2,4(or 2,6)-dihydroxyphenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
Cas Number:
94279-16-0
Molecular formula:
C40H24N10Na4O19S4
IUPAC Name:
tetrasodium 4-[[3,5-bis[[4-[(4-nitro-2-sulphonatophenyl)amino]phenyl]azo]-2,4(or 2,6)-dihydroxyphenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Study design

Inoculum or test system:
other: -

Results and discussion

% Degradation
Parameter:
probability of ready biodegradability (QSAR/QSPR)
Value:
0
Remarks on result:
not readily biodegradable based on QSAR/QSPR prediction
Details on results:
Assessment made with QSAR predictions and existing study.

Applicant's summary and conclusion

Interpretation of results:
not readily biodegradable
Conclusions:
Not readily biodegradable
Executive summary:

Based on available data the tested substance should be considered as not readily biodegradable.

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