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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
(Q)SAR
Adequacy of study:
key 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
Justification for type of information:
The water solubility is < 0.01mg/l and in common with higher olefins, it is not considered possible to dissolve a meaningful level of the substance in water for ecotoxicity testing.
Models such as ECOSAR are widely used to predict toxicity to aquatic organisms

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2021
Report date:
2021

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Use of Ecosar model as partof EPISuite
Each componentwas assessed (C17linear and C22 branched).
No indicationof biologal effect

Test material

Constituent 1
Chemical structure
Reference substance name:
Isoalkanes, C17 -C22 linear and branched
EC Number:
954-736-0
Molecular formula:
C17H36 x C22H46
IUPAC Name:
Isoalkanes, C17 -C22 linear and branched
Test material form:
liquid

Test organisms

Test organisms (species):
not specified
Details on test organisms:
The model does not specify species

Study design

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

Test conditions

pH:
Not applicable

Results and discussion

Effect concentrations
Duration:
72 h
Dose descriptor:
EC0
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
other: WAF
Basis for effect:
growth rate
Details on results:
Predicted no adverse effect
Water solubility < 0.01 mg/l

Applicant's summary and conclusion

Conclusions:
Predicted no adverse effect
Water solubility < 0.01 mg/l