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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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study (GLP), detailed documentation not available

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
Unnamed
Year:
1993
Report date:
1993
Reference Type:
publication
Title:
Unnamed
Year:
1994
Report date:
1993

Materials and methods

Principles of method if other than guideline:
Method: other: Japanese Guideline for Screening Mutagenicity Testing of Chemicals
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
Lactonitrile
EC Number:
201-163-2
EC Name:
Lactonitrile
Cas Number:
78-97-7
Molecular formula:
C3H5NO
IUPAC Name:
2-hydroxypropanenitrile
Details on test material:
2-Hydroxypropanenitrile, commercial
Purity: 92.3 %

Method

Species / strain
Species / strain / cell type:
other: S. typhimurium TA 98, TA 100, TA 1535, TA 1537 and TA 1538, E. coli WP2 uvrA
Metabolic activation:
with and without
Test concentrations with justification for top dose:
S. typhimurium: 4.69, 9.38, 18.75, 37.5, 75, 150 ug/plate, E. coli WP2 uvrA: 75, 150, 300, 600, 1200 or 2400 ug/plate
Details on test system and experimental conditions:
IUCLID4 Type: Ames test

Results and discussion

Test results
Species / strain:
other: S. typhimurium TA 98, TA 100, TA 1535, TA 1537 and TA 1538, E. coli WP2 uvrA
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
cytotoxicity
Remarks on result:
other: other: S. typhimurium TA 98, TA 100, TA 1535, TA 1537 and TA 1538, E. coli WP2 uvrA
Remarks:
Migrated from field 'Test system'.

Any other information on results incl. tables

Cytotoxicity 
With metabolic activation: 150 pg/plate (TA), 1500 ug/plate (WP2)
Without metabolic activation: 150 ug/plate (TA), 2400 ug/plate (WP2)

Precipitation
negative

Mutagenicity
With metabolic activation: negative for all strains
Without metabolic activation: negative for all strains

Applicant's summary and conclusion