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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996

Materials and methods

Principles of method if other than guideline:
Assessment of Ready Biodegradability using the Closed Bottle Test (OECD 301D) - results of toxicity control group
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4,6-tris(dimethylaminomethyl)phenol
EC Number:
202-013-9
EC Name:
2,4,6-tris(dimethylaminomethyl)phenol
Cas Number:
90-72-2
Molecular formula:
C15H27N3O
IUPAC Name:
2,4,6-tris[(dimethylamino)methyl]phenol

Test organisms

Test organisms (species):
activated sludge, domestic

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
28 d

Results and discussion

Effect concentrations
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
inhibition of total respiration
Remarks:
respiration rate

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
The NOEC for sludge inhibition over a 28-day period was 2 mg/l.
Executive summary:

Ancamine K54 at a dose concentration of 2 mg/l was not toxic to the inoculum over the course of a 28 day (OECD 301D) biodegradation test.