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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Referenceopen allclose all

Reference Type:
other: predicted data
Title:
No information
Author:
Gedeon Richter Plc. Health and Safety Department
Year:
2015
Bibliographic source:
QSAR Toolbox 3.1.0.21
Reference Type:
other: predicted data
Title:
No information
Author:
Gedeon Richter Plc. Health and Safety Department
Year:
2015
Bibliographic source:
T.E.S.T. version 4.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSARs R.6, May/July2008

Test material

Constituent 1
Chemical structure
Reference substance name:
(+)-13-Ethylgon-4-ene-3,17-dione
EC Number:
606-833-1
Cas Number:
21800-83-9
Molecular formula:
C19H26O2
IUPAC Name:
(+)-13-Ethylgon-4-ene-3,17-dione

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
3.524 mg/L
Nominal / measured:
estimated

Any other information on results incl. tables

Sublethal observations / clinical signs:

Software Database / Method Endpoint Test duration Species Predicted value
QSAR Toolbox Aquatic Japan MoE LC50 96 h Oryzias latipes 10 mg/L
T.E.S.T. Group Contribution Method LC50 96 h Fathead minnow 1,08 mg/L
T.E.S.T. FDA Method LC50 96 h Fathead minnow 3,81 mg/L
T.E.S.T. Nearest neighbor method LC50 96 h Fathead minnow 1,53 mg/L
T.E.S.T. Consensus method LC50 95 h Fathead minnow 1,2 mg/L
Inferential result  3,524 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
According to (Q)SAR modells: QSAR Toolbox, T.E.S.T. the predicted values indicated that levodione is hazardous to fishes. The result meets the requirement of Aquatic Acute Category 2.