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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 gene mutation study in bacteria
Remarks:
Type of genotoxicity: gene mutation
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Not specified
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP (taken from SNIF file). Registrant referring to studies >12 years old at the permission of ECHA.

Data source

Reference
Reference Type:
other: body responsible for the test.
Title:
Unnamed
Report date:
1991

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 84/449/EWG, B.14 (Ames-Test); OECD 471 (1983)
Deviations:
no
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
406-040-9
EC Name:
-
Cas Number:
125643-61-0
Molecular formula:
C17 H25 O3 R, Where R = (C7 H15) or (C8 H17) or (C9 H19)
IUPAC Name:
C7-9-(branched)-alkyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate

Method

Species / strainopen allclose all
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Additional strain / cell type characteristics:
not specified
Species / strain / cell type:
E. coli WP2 uvr A
Additional strain / cell type characteristics:
not specified
Metabolic activation:
with and without
Metabolic activation system:
Aroclor induced rat liver S9-Mix, Rat Tif: RAif (SPF)
Test concentrations with justification for top dose:
Concentration range in the main test (with metabolic activation): 313 ... 5000 µg/plate
Concentration range in the main test (without metabolic activation): 313 ... 5000 µg/plate
Vehicle / solvent:
Acetone
Controls
Untreated negative controls:
not specified
Negative solvent / vehicle controls:
not specified
True negative controls:
not specified
Positive controls:
not specified
Positive control substance:
not specified

Results and discussion

Test resultsopen allclose all
Species / strain:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
(>5000 µg/plate
Vehicle controls validity:
not specified
Untreated negative controls validity:
not specified
Positive controls validity:
not specified
Species / strain:
E. coli WP2 uvr A
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks:
(>5000 µg/plate
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

The substance was negative both with and without metabolic activation.
Executive summary:

The substance was negative both with and without metabolic activation.

No classification is applicable.