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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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: Data derived from expert judgement

Data source

Reference
Reference Type:
other: Expert judgement
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Principles of method if other than guideline:
Expert Judgement

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-(phenylazo)naphthalene-2,7-disulphonate
EC Number:
213-903-1
EC Name:
Sodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-(phenylazo)naphthalene-2,7-disulphonate
Cas Number:
1064-48-8
Molecular formula:
C22H16N6O9S2.2Na
IUPAC Name:
sodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-(phenylazo)naphthalene-2,7-disulphonate
Test material form:
solid: particulate/powder

Study design

Inoculum or test system:
other: Expert judgement

Results and discussion

% Degradation
Parameter:
other: Expert judgement
Remarks on result:
other: Not ready biodegradable based on expert judgement

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
not readily biodegradable
Conclusions:
Not readily biodegradable
Executive summary:

Not readily biodegradable