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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:
experimental study
Adequacy of study:
supporting study
Reliability:
3 (not reliable)

Data source

Reference
Reference Type:
publication
Title:
COMPARISON OF TWO STRATEGIES FOR ASSESSING ECOTOXICOLOGICAL ASPECTS OF COMPLEX WASTEWATER FROM A CHEMICAL-PHARMACEUTICAL PLANT
Author:
Brorson, T
Year:
1994
Bibliographic source:
Environmental Toxicology and Chemistry, Vol. 13, No. 4, pp. 543-552

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 7827 (Evaluation in an Aqueous Medium of the "Ultimate" Aerobic Biodegradability of Organic Compounds - Method by Analysis of Dissolved Organic Carbon (DOC))
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Warfarin sodium
EC Number:
204-929-4
EC Name:
Warfarin sodium
Cas Number:
129-06-6
IUPAC Name:
sodium 2-oxo-3-(3-oxo-1-phenylbutyl)-2H-chromen-4-olate
Details on test material:
- Purity: not reported

Study design

Oxygen conditions:
aerobic
Duration of test (contact time):
28 d

Results and discussion

Details on results:
Warfarin sodium salt was considered not readily biodegradable; the COD reduction within 28 d was 13%.

BOD5 / COD results

BOD5 / COD
Parameter:
COD
Value:
13 other: %

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable, 13% in 28 days.
Conclusions:
Warfarin sodium salt was considered not readily biodegradable; the COD reduction within 28 d was 13%.