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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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-[(1E)-2-{2,6-dihydroxy-3,5-bis[(1E)-2-{4-[(4-nitro-2-sulfonatophenyl)amino]phenyl}diazen-1-yl]phenyl}diazen-1-yl]-5-hydroxynaphthalene-2,7-disulfonate
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.