Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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: No original report available. No GLP.

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)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(4-aminophenyl)-6-methylbenzothiazole-7-sulphonic acid
EC Number:
204-979-7
EC Name:
2-(4-aminophenyl)-6-methylbenzothiazole-7-sulphonic acid
Cas Number:
130-17-6
Molecular formula:
C14H12N2O3S2
IUPAC Name:
2-(4-aminophenyl)-6-methyl-1,3-benzothiazole-7-sulfonic acid

Test organisms

Test organisms (species):
activated sludge

Study design

Test type:
static
Water media type:
freshwater

Results and discussion

Any other information on results incl. tables

The test was conducted as a limit screening test. The minimum effect concentration was found to be in the range of 300 mg/l and the estimated LC50 was in the range of 100 -1000 mg/l.

Applicant's summary and conclusion