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EC number: 807-015-9 | CAS number: 126437-91-0
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Remarks:
- Type of genotoxicity: gene mutation
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- other information
- Study period:
- 2004-02-18 to 2004-03-19
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Well documented guideline conform, scientific GLP report. No toxicity data are available for 1-Tetradecanaminium, N,N,N-trimethyl-, methyl carbonate (CAS No. 126437-91-0, target substance) which is used as precursor for the N,N,N-trimethyltetradecan-1-aminium oxalate (CAS No. 154858-16-9, source substance). As the chemical structure of both chemicals is almost similar with the exception of the methyl carbonate anion for the target substance instead of the oxalate, read across is made to the source substance. The available studies from the source substance are sufficient to provide toxicological information of the target substance (refer to IUCLID point 13, Assessment reports.001- Read across justification).
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Deviations:
- no
- GLP compliance:
- yes
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- Tetradecyltrimethylammonium oxalate
- IUPAC Name:
- Tetradecyltrimethylammonium oxalate
- Reference substance name:
- -
- EC Number:
- 453-080-8
- EC Name:
- -
- IUPAC Name:
- 453-080-8
- Reference substance name:
- 154858-16-9
- Cas Number:
- 154858-16-9
- IUPAC Name:
- 154858-16-9
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Constituent 2
Constituent 3
Method
Species / strain
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and E. coli WP2
- Metabolic activation:
- with and without
- Metabolic activation system:
- Supplemented liver extract (S9-mix) was obtained from rats which were pretreated with phenobarbital/ß-naphthoflavone, inducers of several drug metabolizing enzymes.
- Test concentrations with justification for top dose:
- first plate incorporation test:
a: with metabolic activation: 50, 160,500, 1600 and 5000 µg/plate
b: without metabolic activation: 50, 160, 500, 1600 and 5000 µg/plate
second plate incorporation test:
a: with metabolic activation: 0.5, 1.6,5,16,50 and 160 µg/plate
b: without metabolic activation: 0.16,0.5,1.6,5,16 and 50 µg/plate (TAI00)
0.5, 1.6,5, 16,50 and 160 µg/plate (TAI535, TA1537, TA98, WP2uvrA)
preincubation test:
a: with metabolic activation:
0.16,0.5,1.6,5,16 and 50 µg/plate (TA100, TA1537)
0.5,1.6,5,16,50 and 160 µg/plate (TA1535, TA98, WP2uvrA)
b: without metabolic activation:
0.16,0.5,1.6,5,16 and 50 µg/plate (TA100, TA1535, TA1537)
0.5, 1.6,5, 16,50 and 160 µg/plate (TA98, WP2uvrA) - Vehicle / solvent:
- water
Controls
- Untreated negative controls:
- no
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- 4-nitroquinoline-N-oxide
- 9-aminoacridine
- 2-nitrofluorene
- sodium azide
- other: 2-aminoanthracene
- Remarks:
- Positive controls with metabolic activation for all strains: 2-aminoanthracene
- Evaluation criteria:
- Criteria for a valid assay:
The assay is considered valid if the following criteria are met:
- the solvent control data are within the laboratory's normal control range for the spontaneous mutant frequency
- the positive controls induce increases in the mutation frequency which are significant and within the laboratory's normal range
Criteria for a positive response:
A test compound is classified as mutagenic if it has either of the following effects:
a) it produces at least a 2-fold increase in the mean number of revertants per plate of at least one of the tester strains over the mean number of revertants per plate of the appropriate vehicle control at complete bacterial background lawn
b) it induces a dose-related increase in the mean number of revertants per plate of at least one of the tester strains over the mean number of revertants per plate of the appropriate vehicle control in at least two to three concentrations of the test compound at complete bacterial background lawn.
If the test substance does not achieve either of the above criteria, it is considered to show no evidence of mutagenic activity in this system.
Results and discussion
Test results
- Species / strain:
- S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and E. coli WP2
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- not applicable
- Positive controls validity:
- valid
- 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 with metabolic activation
negative without metabolic activation
The results lead to the conclusion that the test substance is not mutagenic in these bacterial test systems either in the absence or in the presence of an exogenous metabolizing system. - Executive summary:
The test substance was tested for mutagenicity according to OECD guideline 471with the strains TA 100, TA 1535, TA 1537 and TA 98 of Salmonella typhimurium and with Escherichia coli WP2uvrA.
Three independent mutagenicity studies were conducted (two plate incorporation tests, due to high toxicity and one preincubation test), each in the absence and in the presence of a metabolizing system derived from a rat liver homogenate.
For all studies, the test substance was dissolved in deionized water and each bacterial strain was exposed to 5 dose levels in the first plate incorporation test and to 6 dose levels in subsequent tests.
The concentrations used for the first plate incorporation test were 50, 160, 500, 1600 and 5000 µg/plate. This assay had to be repeated with lower concentrations because of toxic effects of the test compound resulting in less than 5 evaluable doses. Dose ranges for the second plate incorporation test and in the preincubation test were modified in individual bacterial strains to account for varying susceptibilities to cytotoxic effects. Low dose levels ranged from 0.16 to 50 µg/plate, and high dose levels ranged from 0.5 to 160 µg/plate. The test substance did not precipitate on the plates up to the highest investigated dose of 5000 µg/plate.
Mutagenicity:
In the presence and in the absence of the metabolic activation system the test substance did not result in relevant or dose-dependent increases in the number of revertants in any of the bacterial strains.
In conclusion, the test substance is not mutagenic in this bacterial mutation test at any dose level either in the absence or presence of an exogenous metabolic activation system.
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