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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1980

Materials and methods

Principles of method if other than guideline:
Method: acc. to Ames, B.N. et al. (1975): Mutation Research 31, 347:
Screening using the spot test with four tester strains, followed by a full test with a selection of strains
to re-test questionable results, here in TA 100.
GLP compliance:
no
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
Butylamine
EC Number:
203-699-2
EC Name:
Butylamine
Cas Number:
109-73-9
Molecular formula:
C4H11N
IUPAC Name:
butan-1-amine
Test material form:
liquid
Details on test material:
n-Butylamine [CAS No. 109-73-9], commercial, no substance-specific data,
purity checked by TLC, GC or NMR, target purity >97 %

Method

Species / strainopen allclose all
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Species / strain / cell type:
S. typhimurium TA 100
Metabolic activation:
with and without
Metabolic activation system:
Metabolic activation systems were derived from Arochlor-induced livers of male SD rats
Test concentrations with justification for top dose:
1st test: 3.0 µmol/plate (spot test) in all strains
2nd test: 0.03, 0.3, 3.0 und 30 µmol/plate (full plate incorporation assay with TA 100)
Vehicle / solvent:
Ethanol
Controls
Negative solvent / vehicle controls:
yes
Positive controls:
yes
Positive control substance:
other: various from the test spectrum
Details on test system and experimental conditions:
METHOD OF APPLICATION:
Agar spot test (1st test); in agar (plate incorporation) (2nd test, TA100)


NUMBER OF REPLICATIONS: no data


DETERMINATION OF CYTOTOXICITY
- Method: relative total growth; other:


Results and discussion

Test resultsopen allclose all
Metabolic activation:
with and without
Genotoxicity:
negative
Remarks:
spot test
Cytotoxicity / choice of top concentrations:
no cytotoxicity
Vehicle controls validity:
not specified
Positive controls validity:
other: various other substances as expected
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity, but tested up to precipitating concentrations
Vehicle controls validity:
not specified
Positive controls validity:
other: various other substances as expected
Remarks on result:
other: other: Salmonella typhimurium TA 98, TA 1535, TA 1537
Remarks:
Migrated from field 'Test system'.

Applicant's summary and conclusion

Conclusions:
No mutagenic activity was observed under the conditions of this test.

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