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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
in vitro gene mutation study in bacteria
Remarks:
Type of genotoxicity: gene mutation
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test was conducted according to EU Method B.13/14 and compliant with GLP.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.13/14 (Mutagenicity - Reverse Mutation Test Using Bacteria)
Deviations:
not specified
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Reference substance name:
Phenol, 2-(4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(3-((2- ethylhexyl)oxy)-2-hydroxypropoxy)-
IUPAC Name:
Phenol, 2-(4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(3-((2- ethylhexyl)oxy)-2-hydroxypropoxy)-
Constituent 2
Chemical structure
Reference substance name:
2-(4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(3-((2-ethylhexyl)oxy)-2-hydroxypropoxy)phenol
EC Number:
419-740-4
EC Name:
2-(4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(3-((2-ethylhexyl)oxy)-2-hydroxypropoxy)phenol
Cas Number:
137658-79-8
Molecular formula:
C36H45N3O4
IUPAC Name:
2-[4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl]-5-{3-[(2-ethylhexyl)oxy]-2-hydroxypropoxy}phenol

Method

Species / strain
Species / strain / cell type:
bacteria, other: Salmonella thyphimurium Souches TA 1535, TA 1537, TA 98, TA 100 et Escherichia coli WP2 et WP2 uvrA
Metabolic activation:
with and without
Metabolic activation system:
S 9 mix
Test concentrations with justification for top dose:
Concentration range in the main test (with metabolic activation): 33.3 … 5000 µg/plate
Concentration range in the main test (without metabolic activation): 33.3 … 5000 µg/plate
Vehicle / solvent:
Solvent: Acetone

Results and discussion

Test results
Species / strain:
other: as specified above
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity, but tested up to precipitating concentrations
Remarks on result:
other: other: preliminary test
Remarks:
Migrated from field 'Test system'.

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative with metabolic activation
negative without metabolic activation

The substnace showed no evidence of mutagenic activity when tested in this bacterial system with and without metabolic activation.
Cytotoxic concentration: Not cytotoxic up to 5000 µg/plate