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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1990
Report date:
1990

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
GLP compliance:
no
Remarks:
not necessary

Test material

Constituent 1
Chemical structure
Reference substance name:
[(2-methoxyphenyl)amino]methanesulphonic acid
EC Number:
202-220-4
EC Name:
[(2-methoxyphenyl)amino]methanesulphonic acid
Cas Number:
93-13-0
Molecular formula:
C8H11NO4S
IUPAC Name:
[(2-methoxyphenyl)amino]methanesulfonic acid

Test organisms

Test organisms (species):
activated sludge

Study design

Total exposure duration:
3 h

Test conditions

Test temperature:
21 ºC
pH:
pH 7.0 buffered with sodium bicarbonate solution
Reference substance (positive control):
yes
Remarks:
3,5-dichlorophenol

Results and discussion

Effect concentrations
Duration:
3 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L

Applicant's summary and conclusion

Conclusions:
EC50 (3 h) is > 100 mg/l