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Diss Factsheets

Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
-
EC Number:
430-200-7
EC Name:
-
IUPAC Name:
tridecalithium(1+) tetradecasodium 3-({4-[(4-amino-3-sulfophenyl)amino]-6-[methyl(2-sulfoethyl)amino]-1,3,5-triazin-2-yl}amino)-10-({4-[(10-amino-6,13-dichloro-4,11-disulfo-5,12-dioxa-7,14-diazapentacen-3-yl)amino]-6-[methyl(2-sulfoethyl)amino]-1,3,5-triazin-2-yl}amino)-6,13-dichloro-5,12-dioxa-7,14-diazapentacene-4,11-disulfonate 3-amino-10-({4,6-bis[(4-amino-3-sulfophenyl)amino]-1,3,5-triazin-2-yl}amino)-6,13-dichloro-5,12-dioxa-7,14-diazapentacene-4,11-disulfonate 3-amino-10-({4-[(10-amino-6,13-dichloro-4,11-disulfo-5,12-dioxa-7,14-diazapentacen-3-yl)amino]-6-[methyl(2-sulfoethyl)amino]-1,3,5-triazin-2-yl}amino)-6,13-dichloro-5,12-dioxa-7,14-diazapentacene-4,11-disulfonate 3-amino-10-({4-[(4-amino-3-sulfophenyl)amino]-6-[methyl(2-sulfoethyl)amino]-1,3,5-triazin-2-yl}amino)-6,13-dichloro-5,12-dioxa-7,14-diazapentacene-4,11-disulfonate 3-amino-10-[(4-{[4-({4-[(10-amino-6,13-dichloro-4,11-disulfo-5,12-dioxa-7,14-diazapentacen-3-yl)amino]-6-[methyl(2-sulfoethyl)amino]-1,3,5-triazin-2-yl}amino)-2-sulfophenyl]amino}-6-[methyl(2-sulfoethyl)amino]-1,3,5-triazin-2-yl)amino]-6,13-dichloro-5,12-dioxa-7,14-diazapentacene-4,11-disulfonate

Test organisms

Test organisms (species):
activated sludge, domestic

Study design

Test type:
other: aerated
Water media type:
freshwater
Limit test:
no
Total exposure duration:
3 h

Test conditions

Nominal and measured concentrations:
10, 32, 100, 320 and 1000 mg/l
Reference substance (positive control):
yes

Results and discussion

Effect concentrationsopen allclose all
Duration:
3 h
Dose descriptor:
IC50
Effect conc.:
> 1 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
inhibition of total respiration
Remarks:
respiration rate
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
1 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
inhibition of total respiration
Remarks:
respiration rate
Results with reference substance (positive control):
3,5-dichlorophenol: IC50: 21.0 mg/l

Applicant's summary and conclusion

Validity criteria fulfilled:
yes