Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Limit test with saturated solution. Lack of documentation. Only summary available.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1979

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method C.11 (Biodegradation: Activated Sludge Respiration Inhibition Test)
Deviations:
yes
Principles of method if other than guideline:
Performed as a limit screening test with a saturated solution of the testsubstance. No full study report available.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(6-methylbenzothiazol-2-yl)aniline
EC Number:
202-150-4
EC Name:
4-(6-methylbenzothiazol-2-yl)aniline
Cas Number:
92-36-4
Molecular formula:
C14H12N2S
IUPAC Name:
4-(6-methyl-1,3-benzothiazol-2-yl)aniline

Test organisms

Test organisms (species):
activated sludge, industrial

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes

Results and discussion

Effect concentrations
Duration:
30 min
Dose descriptor:
EC50
Effect conc.:
> 10 - < 100 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
inhibition of total respiration
Remarks:
respiration rate

Applicant's summary and conclusion