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Ecotoxicological information

Long-term toxicity to fish

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Administrative data

Endpoint:
long-term toxicity to fish
Type of information:
(Q)SAR
Adequacy of study:
supporting study
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 adequate and reliable documentation / justification

Data source

Reference
Reference Type:
other: QSAR
Title:
ECOSAR v1.11
Author:
US EPA
Year:
2013
Bibliographic source:
https://www.epa.gov/tsca-screening-tools/ecological-structure-activity-relationships-program-ecosar-whats-new-v20

Materials and methods

Principles of method if other than guideline:
QSAR method
GLP compliance:
no
Remarks:
not applicable

Test material

Constituent 1
Chemical structure
Reference substance name:
3,6,9,12-tetraoxotridecanol
EC Number:
245-883-5
EC Name:
3,6,9,12-tetraoxotridecanol
Cas Number:
23783-42-8
Molecular formula:
C9H20O5
IUPAC Name:
2,5,8,11-tetraoxatridecan-13-ol
Test material form:
liquid
Details on test material:
- Physical state: colorless liquid

Test organisms

Test organisms (species):
not specified
Details on test organisms:
fish species not specified in model

Study design

Test type:
other: QSAR model
Water media type:
freshwater
Total exposure duration:
30 d

Results and discussion

Effect concentrations
Duration:
30 d
Dose descriptor:
other: ChV value
Effect conc.:
25 g/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
not specified
Remarks on result:
ChV (chronic value, QSAR)

Applicant's summary and conclusion

Executive summary:

A reliable QSAR model estimates that the 30 day NOEC for fish (chronic toxicity) will be 11482mg/l. The model also indicates that with increasing numbers of ethylene oxide units in the molecule, the toxicity further decreases.