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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Genetic toxicity: in vitro

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Administrative data

Endpoint:
in vitro cytogenicity / chromosome aberration study in mammalian cells
Remarks:
Type of genotoxicity: chromosome aberration
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Bio-anticlastogenic effects of unsaturated fatty acids included in fish oil - docosahexaenoic acid, docosapentaenoic acid, and eicosapentaenoic acid - in cultured Chinese hamster cells
Author:
Sasaki, Yu. F.; Sakaguchi, Masaayuki; Yamagishi, Tatsunori; Yamada, Hiroshi; Shirasu, Yasuhiko
Year:
1994
Bibliographic source:
Mutation Research; vol. 320; nb. 1/2; (1994); p. 9 - 22

Materials and methods

Principles of method if other than guideline:
Data is from Mutation Research
GLP compliance:
not specified
Type of assay:
in vitro mammalian chromosome aberration test

Test material

Constituent 1
Chemical structure
Reference substance name:
Icosanoic acid
EC Number:
208-031-3
EC Name:
Icosanoic acid
Cas Number:
506-30-9
Molecular formula:
C20H40O2
IUPAC Name:
icosanoic acid
Details on test material:
- Name of test material (as cited in study report): Eicosanoic acid
- Molecular formula: C20H40O2
- Molecular weight: 312.53
- Substance type:organic
- Physical state:solid

Method

Species / strain
Species / strain / cell type:
Chinese hamster Ovary (CHO)
Additional strain / cell type characteristics:
not specified
Metabolic activation:
not specified
Metabolic activation system:
no data
Test concentrations with justification for top dose:
5 - 20 mg/l

Results and discussion

Test results
Species / strain:
Chinese hamster Ovary (CHO)
Metabolic activation:
not specified
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity
Vehicle controls validity:
not specified
Untreated negative controls validity:
not specified
Positive controls validity:
not specified
Remarks on result:
other: all strains/cell types tested
Remarks:
Migrated from field 'Test system'.

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative

Based on the data for in vitro mammalian chromosome aberration test on Chinese hamster Ovary (CHO K1) cells it was found that Eicosanoic acid does not exhibit positive chromosomal and cytotoxic effect .
Executive summary:

Based on the data for in vitro mammalian chromosome aberration test on Chinese hamster Ovary (CHO K1) cells it was found that Eicosanoic acid does not exhibit positive chromosomal and cytotoxic effect .