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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Reliable, but some deficiencies in documentation. Non GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chloro-α,α,α-trifluoro-o-toluidine
EC Number:
207-151-3
EC Name:
4-chloro-α,α,α-trifluoro-o-toluidine
Cas Number:
445-03-4
Molecular formula:
C7H5ClF3N
IUPAC Name:
4-chloro-2-(trifluoromethyl)aniline

Study design

Inoculum or test system:
activated sludge, domestic, non-adapted
Details on inoculum:
Sludge of domestic sewage treatment plant of Frankfurt-Sindlingen.
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
4.75 mg/L
Based on:
COD
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
<= 16
Sampling time:
28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable