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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
GLP compliance:
yes (incl. QA statement)

Test material

1
Chemical structure
Reference substance name:
3-[(4-hydroxy-3-methoxyphenyl)methyl]pentane-2,4-dione
EC Number:
820-605-0
Cas Number:
30881-23-3
Molecular formula:
C13H16O4
IUPAC Name:
3-[(4-hydroxy-3-methoxyphenyl)methyl]pentane-2,4-dione

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
sewage, domestic, adapted
Duration of test (contact time):
28 d
Reference substance
Reference substance:
other: Potassium hydrogen phthalate

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
11.61
Sampling time:
28 d

BOD5 / COD results

Results with reference substance:
The percent degradation of Potassium hydrogen phthalate on day 28 was 74.63%.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
not readily biodegradable