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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2-methylcyclopentane-1,3-dione
EC Number:
212-153-2
EC Name:
2-methylcyclopentane-1,3-dione
Cas Number:
765-69-5
Molecular formula:
C6H8O2
IUPAC Name:
2-methylcyclopentane-1,3-dione

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
723.155
Nominal / measured:
estimated
Remarks on result:
not measured/tested

Any other information on results incl. tables

Sublethal observations / clinical signs:

Software Database / Method Endpoint Test duration Species Predicted value (mg/L)
QSAR Toolbox Aquatic OASIS LC50 96 h Pimephales promales 426
T.E.S.T. Consensus method LC50 96 h Fathead minnow 466,46
T.E.S.T. Hiearchical Clustering Method LC50 96 h Fathead minnow 1045,86
T.E.S.T. Single Model Method LC50 96 h Fathead minnow 923,29
T.E.S.T. Group Contribution Method LC50 96 h Fathead minnow 515,5
T.E.S.T. Nearest neighbor method LC50 96 h Fathead minnow 961,82
Inferential result 723,155 mg/L

Applicant's summary and conclusion

Conclusions:
According to (Q)SAR modells: QSAR Toolbox, T.E.S.T. the predicted values indicated that methyl-ciklopentanedione is not hazardous to fishes. The result does not meet the requirement of any Aquatic Acute Category.