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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well-documented study which meets basic scientific principles

Data source

Reference
Reference Type:
publication
Title:
Genetic toxicology testing of 41 industrial chemicals
Author:
Dean BJ, et al.
Year:
1985
Bibliographic source:
Mutat. Res., 153, 57-77

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 471 (Bacterial Reverse Mutation Assay)
Deviations:
yes
Remarks:
only tested up to 4000 µg/plate
GLP compliance:
no
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-iminodiethanol
EC Number:
203-868-0
EC Name:
2,2'-iminodiethanol
Cas Number:
111-42-2
Molecular formula:
C4H11NO2
IUPAC Name:
2,2'-iminodiethanol
Details on test material:
- Name of test material (as cited in study report): Diethanolamine
- Lot/batch No.: 17584,
- purity: 99.7%

Method

Target gene:
histidine operon
Species / strainopen allclose all
Species / strain / cell type:
other: Escherichia coli WP2 and WP2uvrA
Species / strain / cell type:
S. typhimurium, other: TA 1535, TA 1537, TA 1538, TA98, TA100
Metabolic activation:
with and without
Metabolic activation system:
rat liver S9 mix (Aroclor 1254 induced)
Test concentrations with justification for top dose:
125, 250, 500, 1000, 2000, 4000 µg/plate
Vehicle / solvent:
- Vehicle(s)/solvent(s) used: water
Controls
Untreated negative controls:
yes
Negative solvent / vehicle controls:
yes
True negative controls:
no
Positive controls:
yes
Positive control substance:
other: benzo(a)pyrene, ethylmethanesulphonate, methylmethanesulfonate, cyclophosphamide
Details on test system and experimental conditions:
METHOD OF APPLICATION: in medium; in agar (plate incorporation); preincubation; as impregnation on paper disk (all applications investigated)

DURATION
- Preincubation period: 30 min

NUMBER OF REPLICATIONS: at least 3 plates per data point


Results and discussion

Test resultsopen allclose all
Species / strain:
E. coli, other: Escherichia coli WP2 and WP2uvrA
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
not specified
Vehicle controls validity:
not specified
Untreated negative controls validity:
not specified
Positive controls validity:
not specified
Species / strain:
S. typhimurium, other: TA 1535, TA 1537, TA 1538, TA98, TA100
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
not specified
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'.

Any other information on results incl. tables

Data given in tabular form. Individual results were not supplied.

Applicant's summary and conclusion