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EC number: 240-566-8 | CAS number: 16499-88-0
- 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
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Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 13 February 2014 to 13 March 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
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:
- 3-butoxypropylamine
- EC Number:
- 240-566-8
- EC Name:
- 3-butoxypropylamine
- Cas Number:
- 16499-88-0
- Molecular formula:
- C7H17NO
- IUPAC Name:
- 3-butoxypropylamine
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 8291-11-20
- Expiration date of the lot/batch: 2014-07-13
- Purity test date: 2012-07-13
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: 2 to 8ºC, protected from light
Method
- Target gene:
- Histidine locus (histidine-dependent Salmonella strains) and tryptophan locus (tryptophan-dependent E. coli strain)
Species / strainopen allclose all
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
- Additional strain / cell type characteristics:
- not applicable
- Species / strain / cell type:
- E. coli WP2 uvr A
- Additional strain / cell type characteristics:
- not applicable
- Metabolic activation:
- with and without
- Metabolic activation system:
- Aroclor 1254-induced rat liver S9
- Test concentrations with justification for top dose:
- Initial Toxicity-Mutation Assay: 1.5, 5.0, 15, 50, 150, 500, 1500 and 5000 μg per plate with and without metabolic activation.
Confirmatory Mutagenicity Assay: 50, 150, 500, 1500 and 5000 μg per plate with and without metabolic activation.
Since the test item formed a clear solution in sterile water for injection at approx. 50 mg/mL, 5000 µg/plate was selected as the maximum concentration in the initial toxicity-mutation assay.
Based on the findings of the initial toxicity-mutation assay, the maximum dose plated in the confirmatory mutagenicity assay was 5000 μg per plate. - Vehicle / solvent:
- - Vehicle(s)/solvent(s) used: water
- Justification for choice of solvent/vehicle: Sterile water for injection was selected as the solvent of choice based on the solubility of the test article and compatibility with the target cells. The test article formed a clear solution in sterile water for injection at approximately 50 mg/mL, the maximum concentration tested in the solubility test conducted at the laboratory
Controlsopen allclose all
- Untreated negative controls:
- yes
- Remarks:
- solvent control
- Negative solvent / vehicle controls:
- yes
- Remarks:
- water
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- other: 2-aminoanthracene
- Remarks:
- With S9: 1.0 μg/plate for TA98, TA1535 ; 2.0 μg/plate for TA100, TA1537; 15 μg/plate for WP2 uvrA
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- 2-nitrofluorene
- Remarks:
- Without S9: 1.0 μg/plate for TA98
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- sodium azide
- Remarks:
- Without S9: 1.0 μg/plate for TA100, TA1535
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- 9-aminoacridine
- Remarks:
- Without S9: 75 μg/plate for TA1537
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- methylmethanesulfonate
- Remarks:
- Without S9: 1.0 μg/plate for WP2 uvrA
- Details on test system and experimental conditions:
- METHOD OF APPLICATION: in agar (plate incorporation)
On the day of its use, minimal top agar, containing 0.8 % agar (W/V) and 0.5 % NaCl (W/V), was melted and supplemented with L-histidine, D-biotin and L-tryptophan solution to a final concentration of 50 μM each. Top agar not used with S9 or Sham mix was supplemented with 25 mL of water for each 100 mL of minimal top agar. For the preparation of media and reagents, all references to water imply sterile, deionized water. Bottom agar was Vogel-Bonner minimal medium E containing 1.5 % (W/V) agar. Nutrient bottom agar was Vogel-Bonner minimal medium E containing 1.5 % (W/V) agar and supplemented with 2.5 % (W/V) Oxoid Nutrient Broth No. 2 (dry powder). Nutrient Broth was Vogel-Bonner salt solution supplemented with 2.5 % (W/V) Oxoid Nutrient Broth No. 2 (dry powder).
Each plate was labeled with a code system that identified the test article, test phase, dose level, tester strain and activation. One-half (0.5) milliliter of S9 or Sham mix, 100 μL of tester strain (cells seeded) and 100 μL of vehicle or test article dilution were added to 2.0 mL of molten selective top agar at 45±2°C. After vortexing, the mixture was overlaid onto the surface of 25 mL of minimal bottom agar. When plating the positive controls, the test article aliquot was replaced by a 50 μL aliquot of appropriate positive control. After the overlay had solidified, the plates were inverted and incubated for 48 to 72 hours at 37±2°C. Plates that were not counted immediately following the incubation period were stored at 2-8°C until colony counting could be conducted.
DURATION
- Exposure duration: 48 to 72 hours
- Selection time (if incubation with a selection agent): 48 to 72 hours (simultaneous with exposure)
SELECTION AGENT (mutation assays): Histidine (S. typhimurium) or Tryptophan (E. coli)
NUMBER OF REPLICATIONS:
Initial toxicity-mutation assay: duplicate
Confirmatory mutagenicity assay: triplicate
DETERMINATION OF CYTOTOXICITY
- Method: reduction in the growth of the bacterial background lawn and/ reduction in the number of revertants - Evaluation criteria:
- For the test article to be evaluated positive, it must cause a dose-related increase in the mean revertants per plate of at least one tester strain over a minimum of two increasing concentrations of test article.
Data sets for tester strains TA1535 and TA1537 were judged positive if the increase in mean revertants at the peak of the dose response was greater than or equal to 3.0-times the mean vehicle control value. Data sets for tester strains TA98, TA100 and WP2 uvrA were judged positive if the increase in mean revertants at the peak of the dose response was greater than or equal to 2.0-times the mean vehicle control value.
An equivocal response is a biologically relevant increase in a revertant count that partially meets the criteria for evaluation as positive. This could be a dose-responsive increase that does not achieve the respective threshold cited above or a non-dose responsive increase that is equal to or greater than the respective threshold cited. A response was evaluated as negative, if it was neither positive nor equivocal. - Statistics:
- No formal hypothesis testing was done.
For each replicate plating, the mean and standard deviation of the number of revertants per plate were calculated and are reported.
Results and discussion
Test resultsopen allclose all
- Species / strain:
- S. typhimurium, other: TA98, TA100, TA1535, TA1537
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Species / strain:
- E. coli WP2 uvr A
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Additional information on results:
- TEST-SPECIFIC CONFOUNDING FACTORS
- Water solubility: Soluble at 50 mg/mL
- Precipitation: no precipitation has been observed
- Other: sterility results: No contaminant colonies were observed on the sterility plates for the vehicle control, the test article dilutions or the S9 and Sham mixes.
RANGE-FINDING/SCREENING STUDIES:
The initial toxicity-mutation assay was used to establish the dose-range for the confirmatory mutagenicity assay and to provide a preliminary mutagenicity evaluation. Vehicle control, positive controls and eight dose levels of the test article were plated, two plates per dose, with overnight cultures of TA98, TA100, TA1535, TA1537 and WP2 uvrA on selective minimal agar in the presence and absence of Aroclor-induced rat liver S9. Based on the findings of the initial toxicity-mutation assay, the maximum dose plated in the confirmatory mutagenicity assay was 5000 μg per plate.
HISTORICAL CONTROL DATA (with ranges, means and standard deviation and confidence interval (e.g. 95%)
- Positive historical control data: all positive controls exhibited at least 3-fold increases in the number of revertants
- Negative (solvent/vehicle) historical control data: the number of revertants was within the characteristic ranges for all vehicle controls
All criteria for a valid study were met as described in the protocol
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results: negative with and without metabolic activation
The results of the Bacterial Reverse Mutation Assay indicate that, under the conditions of this study, the test item did not cause a positive mutagenic response with any of the tester strains in either the presence or absence of Aroclor-induced rat liver S9.
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