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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
Qualifier:
according to guideline
Guideline:
ISO DIS 9408 (Ultimate Aerobic Biodegradability - Method by Determining the Oxygen Demand in a Closed Respirometer)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(trifluoromethyl)benzene-1-sulfonamide
EC Number:
700-280-0
Cas Number:
1869-24-5
Molecular formula:
C7H6F3NO2S
IUPAC Name:
2-(trifluoromethyl)benzene-1-sulfonamide
Constituent 2
Reference substance name:
2-(Trifluoromethyl)benzenesulfonamide
IUPAC Name:
2-(Trifluoromethyl)benzenesulfonamide

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, domestic, non-adapted
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
100 mg/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
20
Sampling time:
28 d
Remarks on result:
other: O2 consumption <20 % after 28 days

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
Within 28 days a degradation of <20 was determined.
The TS has to be classified as Not Readily Biodegradable.