Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
The study was requested under CCH-D-2114556696-33-01/F. It is currently in progress and the dossier will be updated as soon as results are available. Justification letter from the laboratory in charge is attached in "attached justification"
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2023

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
pentasodium 4-hydroxybenzene-1,3-disulfonate 4-hydroxybenzene-1-sulfonate sulfate
EC Number:
939-154-7
Cas Number:
not available
Molecular formula:
C6H5NaO4S - C6H4Na2O7S2 - Na2SO4
IUPAC Name:
pentasodium 4-hydroxybenzene-1,3-disulfonate 4-hydroxybenzene-1-sulfonate sulfate
Test material form:
solid: particulate/powder

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, non-adapted

Results and discussion

% Degradation
Remarks on result:
other: Study in progress

Applicant's summary and conclusion