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EC number: 940-783-4 | CAS number: -
- 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
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Genetic toxicity: in vitro
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
- Study period:
- 08 August 2013 - 06 September 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was performed according to OECD guidelines and GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- GLP compliance:
- yes (incl. QA statement)
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- 1,15-dichloro-3,5,8,11,13-pentaoxapentadecane; 1-chloro-2-[(2-chloroethoxy)methoxy]ethane; 1-chloro-2-{[2-(2-chloroethoxy)ethoxy]methoxy}ethane
- EC Number:
- 940-783-4
- Molecular formula:
- C5H10Cl2O2 C10H20Cl2O5 C7H14Cl2O3
- IUPAC Name:
- 1,15-dichloro-3,5,8,11,13-pentaoxapentadecane; 1-chloro-2-[(2-chloroethoxy)methoxy]ethane; 1-chloro-2-{[2-(2-chloroethoxy)ethoxy]methoxy}ethane
- Test material form:
- other: liquid
- Details on test material:
- Name: PREPOLYMER D
Chemical Name: Reaction mass of Bis (2-chloroethoxy)methane and 1,15-dichloro-3,5,8,11,13-pentaoxa-pentadecane and 1-(2-chloroethoxy)-2-(2-chloroethoxymethoxy)ethane
Batch/Lot Number: 030613
Purity: 100% (multi constituent substance)
Appearance: slightly brownish liquid
Constituent 1
Method
- Target gene:
- histidine/tryptophan operon
Species / strainopen allclose all
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
- Additional strain / cell type characteristics:
- other: see table 1
- Species / strain / cell type:
- E. coli WP2 uvr A
- Additional strain / cell type characteristics:
- other: see table 1
- Metabolic activation:
- with and without
- Metabolic activation system:
- S9
- Test concentrations with justification for top dose:
- Based on the solubility test, 100 mg/mL stock formulation was prepared in the vehicle, which was diluted in 6 steps by factors of 2, 2.5 and approximately √10. The revertant colony numbers and the inhibition of the background lawn of auxotrophic cells of two of the tester strains (Salmonella typhimurium TA98, TA100) were determined at the concentrations of 5000, 2500, 1000, 316, 100, 31.6 and 10 μg/plate of the test item. In the Preliminary Concentration Range Finding Test the plate incorporation method (5.6.4) was used.
Based on the results of the preliminary tests, 100 mg/mL stock solution was prepared from the test item with DMSO, which was diluted by serial dilutions in six steps to obtain seven dosing solutions for lower doses. The maximum test concentration was 5000 μg test item/plate.
Examined concentrations in the Initial Mutation Test and Confirmatory Mutation Test were 5000, 1581, 500, 158.1, 50, 15.81 and 5 μg/plate. - Vehicle / solvent:
- DMSO
Controls
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- other: See table 2
- Details on test system and experimental conditions:
- METHOD OF APPLICATION: In the Range Finding Test and in the Initial Mutation Test, the plate incorporation method was used. In the Confirmatory Mutation Test, the pre-incubation method was used.
DURATION
- Preincubation period: 20 minutes
- Exposure duration: 48 hours
SELECTION AGENT (mutation assays): histidine/tryptophan
NUMBER OF REPLICATIONS:
NUMBER OF CELLS EVALUATED:
DETERMINATION OF CYTOTOXICITY
- Method: mitotic index; cloning efficiency; relative total growth; other:
OTHER EXAMINATIONS:
- Determination of polyploidy:
- Determination of endoreplication:
- Other:
OTHER:
Results and discussion
Test resultsopen allclose all
- Species / strain:
- S. typhimurium TA 1535
- Metabolic activation:
- with and without
- Genotoxicity:
- positive
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Remarks:
- Inhibitory, cytotoxicity of the test item was observed in the Confirmatory Mutation Test in all strains at 5000 μg/plate without metabolic activation; and in Salmonella typhimurium TA98, TA100 and TA1537 strains at 5000 μg/plate.
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- not applicable
- Positive controls validity:
- valid
- Species / strain:
- E. coli WP2 uvr A
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Remarks:
- Inhibitory, cytotoxicity of the test item was observed in the Confirmatory Mutation Test in all strains at 5000 μg/plate without metabolic activation; and in Salmonella typhimurium TA98, TA100 and TA1537 strains at 5000 μg/plate.
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- not examined
- Positive controls validity:
- valid
- Species / strain:
- other: S. typhimurium TA 98, TA 100, TA 1537
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Remarks:
- Inhibitory, cytotoxicity of the test item was observed in the Confirmatory Mutation Test in all strains at 5000 μg/plate without metabolic activation; and in Salmonella typhimurium TA98, TA100 and TA1537 strains at 5000 μg/plate.
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- not examined
- Positive controls validity:
- valid
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information):
other: Positive with and without metabolic activation in TA1535
The test item had slight mutagenic activity in Salmonella typhimurium TA1535 strain under the test conditions of this study. No mutagenic activity was observed in the other four examined bacterium strains under the test conditions of the study. - Executive summary:
The test item was tested for potential mutagenic activity using the Bacterial Reverse Mutation Assay.
The experiments were carried out using histidine-requiring auxotroph strains of Salmonella typhimurium (Salmonella typhimurium TA98, TA100, TA1535 and TA1537) and the tryptophan-requiring auxotroph strain of Escherichia coli (Escherichia coli WP2 uvrA) in the presence and absence of a post mitochondrial supernatant (S9 fraction) prepared from the livers of phenobarbital/β-naphthoflavone-induced rats.
The study included a Preliminary Compatibility Test, a Preliminary Range Finding Test (Informatory Toxicity Test), an Initial Mutation Test (Plate Incorporation Method) and a Confirmatory Mutation Test (Pre-Incubation Method).
Based on the available information, the test item was formulated in DMSO. Concentrations of 5000; 2500; 1000; 316; 100; 31.6 and 10 μg/plate were examined in the Range Finding Test. Based on the results of the Range Finding Test, the test item concentrations in the Initial Mutation Test and Confirmatory Mutation Test were 5000; 1581; 500; 158.1; 50; 15.81 and 5 μg/plate.
In the Initial Mutation Test (using the plate incorporation method) and Confirmatory Mutation Tests (using the pre-incubation method), a clear repeatable positive effect of the test item was obtained in Salmonella typhimurium TA1535 strain as a dose-related increase in the number of revertants occurred and the observed revertant colony numbers were above or near the respective biological threshold value.
No insolubility was detected in the main tests. Inhibitory, cytotoxicity of the test item was observed in the Confirmatory Mutation Test in all strains at 5000 μg/plate concentration without metabolic activation; and in Salmonella typhimurium TA98, TA100 and TA1537 strains at 5000 μg/plate concentration with metabolic activation.
The mean values of revertant colonies of the solvent control plates were within the historical control range, the reference mutagens showed the expected increase in the number of revertant colonies, the viability of the bacterial cells was checked by a plating experiment in each test. At least five analyzable concentrations were presented in all strains of the main tests. The tests were considered to be valid.
The reported data of this mutagenicity assay show (see Appendix 2 to 5) that under the experimental conditions applied the test item induced gene mutations by base pair changes or frameshifts in the genome of the strains used.
In conclusion, the test item had slight mutagenic activity in Salmonella typhimurium TA1535 strain under the test conditions of this study. No mutagenic activity was observed in the other four examined bacterium strains under the test conditions of the study.
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