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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Qualifier:
according to guideline
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Ammonium glycyrrhizate
EC Number:
258-887-7
EC Name:
Ammonium glycyrrhizate
Cas Number:
53956-04-0
Molecular formula:
C42H65NO16
IUPAC Name:
ammonium glycyrrhizate

Sampling and analysis

Analytical monitoring:
yes

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
Sex: female
Age at test start: < 24 hours old

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
48 h

Test conditions

Hardness:
250 mg.L-1
Test temperature:
20°C ± 2°C
pH:
pH at beginning: 7.35
pH-48h: 7.10
Dissolved oxygen:
Dissolved oxygen concentrations
t=0h 8.87 mg/L
t=48h 7.96 mg/L
Nominal and measured concentrations:
The nominal concentration of 100 mg/L was determined according to a range-finding test.
The concentrations of the test item were satisfactorily maintained within ± 20% of the nominal concentrations throughout the test, the results can therefore be based on nominal values.
Reference substance (positive control):
not required

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Basis for effect:
mobility
Details on results:
After 24 and 48 hours of exposure, no immobilisation of the test animals was observed in the control and the test concentration of 100 mg/L.
24h/48h-EC50 and NOEC > 100 mg/L.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
Daphnia 48h-EC50 and NOEC > 100mg/L.