Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
short-term toxicity to fish
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
Justification for type of information:
1. SOFTWARE
EPI v4.11

2. MODEL (incl. version number)
ECOSAR v1.11

3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL
CCN1CCN(C(=O)(CL))C(=O)C1(=O)

4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL
- Defined endpoint: Short time fish

Data source

Reference
Reference Type:
other: QSAR model
Title:
EPI Suite v 4.1/ECOSARv1.11
Author:
US EPA
Year:
2011
Bibliographic source:
http://epa.gov/oppt/exposure/pubs/episuite.htm

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH Guidance on QSARs R.6
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-ethyl-2,3-dioxopiperazine-1-carbonyl chloride
EC Number:
261-867-0
EC Name:
4-ethyl-2,3-dioxopiperazine-1-carbonyl chloride
Cas Number:
59703-00-3
Molecular formula:
C7H9ClN2O3
IUPAC Name:
4-ethyl-2,3-dioxopiperazine-1-carbonyl chloride

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
615.826 mg/L
Nominal / measured:
estimated
Conc. based on:
not specified
Basis for effect:
not specified
Remarks on result:
not determinable because of methodological limitations

Applicant's summary and conclusion

Conclusions:
LC50 (96h) 615.826 mg/l is predicted