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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Similar to Guideline Study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981

Materials and methods

Principles of method if other than guideline:
Method:according to OECD-Guideline 471
GLP compliance:
no
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
But-2-yne-1,4-diol
EC Number:
203-788-6
EC Name:
But-2-yne-1,4-diol
Cas Number:
110-65-6
Molecular formula:
C4H6O2
IUPAC Name:
but-2-yne-1,4-diol
Details on test material:
- Name of test material (as cited in study report): Butin2-diol.1,4
- Analytical purity: > 99%

Method

Species / strain
Species / strain / cell type:
other: Salmonella typhimurium (TA 98, TA 100, TA 1535, TA 1537, TA 1538)
Metabolic activation:
with and without
Metabolic activation system:
S-9 mix(rat liver)
Test concentrations with justification for top dose:
20 - 5000 ug/plate

Results and discussion

Test results
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity
Remarks on result:
other: other: Salmonella typhimurium (TA 98, TA 100, TA 1535, TA 1537, TA 1538)
Remarks:
Migrated from field 'Test system'.

Any other information on results incl. tables

Toxicity:

No bacteriotoxic effect was observed.

Mutagenicity:

An increase in the number of his+ revertants was not observed either without S-9 mix or after the addition of a metabolizing system.

According to the result ot the present study, the test substance Butin-2-diol-1,4 is not mutagenic in the Ames test under the experimental condition chosen here.

Applicant's summary and conclusion