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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to microorganisms

Currently viewing:

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16/06/1996-21/06/1996
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Well documented and scientifically acceptable report.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
DIN 38412-8 (Pseudomonas Zellvermehrungshemmtest)
Deviations:
yes
Remarks:
The growth characteristics of the bacteria were not measured by turbidimetr by using a microbiological method with Petri dish cultures according to Bringmann and Kühn, 1977.
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Trimethyl-3-[(1-oxoallyl)amino]propylammonium chloride
EC Number:
256-181-3
EC Name:
Trimethyl-3-[(1-oxoallyl)amino]propylammonium chloride
Cas Number:
45021-77-0
Molecular formula:
C9H19N2O.Cl
IUPAC Name:
trimethyl-3-[(1-oxoallyl)amino]propylammonium chloride
Details on test material:
- Name of test material: DIMAPA Quat
- Physical state: liquid
- Analytical purity: 60%
- Composition of test material, percentage of components: 100%
- Lot/batch No.: not specified
- pH-value: 8
- Storage condition of test material: room temperature

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
yes
Details on test solutions:
Demineralised water

Test organisms

Test organisms (species):
Pseudomonas putida

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
5 d

Test conditions

Nominal and measured concentrations:
The nominal concentrations tested were 3.9, 7.8, 15.6, 31.3, 62.5, 125, 250, 500, 1000, 2000, 4000 mg/L.
Reference substance (positive control):
no

Results and discussion

Effect concentrations
Duration:
5 d
Dose descriptor:
NOEC
Effect conc.:
4 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth inhibition

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
APTAC had no inhibitory effect on the growth of Pseudonomas putida at 4000 mg/l after 5 days.