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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Reference
Endpoint:
biodegradation in water: ready biodegradability
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
REPORTING FORMAT FOR THE ANALOGUE APPROACH
Please see attached Read Across Justification in Section 13
Reason / purpose for cross-reference:
read-across source
Reason / purpose for cross-reference:
read-across: supporting information
Reason / purpose for cross-reference:
read-across: supporting information
Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge (adaptation not specified)
Details on inoculum:
Filtered sewage seed
Parameter:
% degradation (O2 consumption)
Value:
62
Sampling time:
5 d
Parameter:
% degradation (O2 consumption)
Value:
68
Sampling time:
10 d
Parameter:
% degradation (O2 consumption)
Value:
75
Sampling time:
15 d
Parameter:
% degradation (O2 consumption)
Value:
79
Sampling time:
20 d
Parameter:
COD
Value:
1.63 g O2/g test mat.
Validity criteria fulfilled:
yes
Interpretation of results:
readily biodegradable

Description of key information

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable
Type of water:
freshwater

Additional information