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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
October/November 2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study was conducted according to OECD and GLP guidelines

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report date:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 92/69/EWG, C.4-D (Manom. Respirat.)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
4-bromo-2,6-difluorobenzoic acid
EC Number:
457-940-3
EC Name:
4-bromo-2,6-difluorobenzoic acid
Cas Number:
183065-68-1
Molecular formula:
Hill formula: C7H3BrF2O2 CAS formula: C7H3BrF2O2
IUPAC Name:
4-bromo-2,6-difluorobenzoic acid

Study design

Reference substance
Reference substance:
other: Anilin

Results and discussion

% Degradation
Parameter:
% degradation (CO2 evolution)
Value:
0
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
3 % degradation after 7 d
0 % degradation after 14 d
0 % degradation after 21 d
0 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
31 % degradation after 7 d
81 % degradation after 14 d
91 % degradation after 21 d
96 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable
Executive summary:

The ready biodegradability of 4-Bromo-2,6-difluorobenzoic acid was tested according to OECD 301F. 4-Bromo-2,6-difluorobenzoic acid was shown to be not ready biodegradable.