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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
toxicity to soil microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 216 (Soil Microorganisms: Nitrogen Transformation Test)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Reference substance name:
2-imidazolidone
EC Number:
204-436-4
EC Name:
2-imidazolidone
Cas Number:
120-93-4
IUPAC Name:
imidazolidin-2-one
Details on test material:
- Name of test material (as cited in study report): BF 222-EU
- IUPAC-name: Imidazolidine-2-one
- Lot-No.:01743-161
- Analytical purity: 88.6 %

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

Test organisms (inoculum):
soil

Study design

Total exposure duration:
28 d

Test conditions

Test temperature:
20 °C (± 2 °C)
Moisture:
45 % of the water holding capacity
Details on test conditions:
TEST SYSTEM
- Test container: 1.5 L glass bottles
- No. of replicates per concentration: 2
- No. of replicates per control: 2

SOIL INCUBATION
- Method: Kept in a temperature controlled incubator in thr dark

Nominal and measured concentrations:
Test concentrations nominal: 0, 0.56 and 5.6 mg/kg dry soil - corresponding to field application rates of 0.42 kg and 4.20 kg substance per ha, respectively

Results and discussion

Effect concentrations
Duration:
28 d
Dose descriptor:
other: Effect > +/- 25% deviation from the control value)
Effect conc.:
>= 5.6 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
nitrate formation rate
Details on results:
The substance caused no short-term or long-term effects (< +/- 25% deviation from the control value) on the nitrogen transformation.

Applicant's summary and conclusion