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EC number: 613-868-6 | CAS number: 65997-12-8
- 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:
- 31 January - 27 February 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- A discussion and report on the read across strategy is given as an attachment in Section 13.
Cross-reference
- Reason / purpose for cross-reference:
- read-across: supporting information
Reference
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 31 January - 27 February 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- A discussion and report on the read across strategy is given as an attachment in Section 13.
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Species / strain:
- S. typhimurium TA 1535
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- not specified
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Additional information on results:
- EXPERIMENT 1:
- The maximum dose level of the test substance was selected as the maximum recommended dose level of 5000 µg/plate.
EXPERIMENT 1 and 2:
- There was no visible reduction in the growth of the bacterial background lawn at any dose level either in the absence or presence of metabolic activation.
- No toxicologically signficant increases in the frequency of revertant colonies were recorded for any of the bacterial strains at any dose of the test susbtance and with or without the S9-mix.
- A cream-coloured test substance film was noted at and above 1500 µg/plate, but it did not prevent the scoring of the revertant colonies.
CONTROLS:
Vehicle control (Acetone) plates: the counts of revertant colonies within the normal range.
Positive control chemicals: induced marked increases in the frequency of revertant colonies, both with and without metabolic activation.
> therefore the sensitivity of the assay and efficiacy of the S9-mix were validated.
HISTORICAL CONTROL DATA (with ranges, means and standard deviation and confidence interval (e.g. 95%) :
- please see Figure 1 in the 'attached background material' sectiom.
- Conclusions:
- Based on the results of the study, the test substance, Resin acids and Rosin acids, esters with trimethylolpropane, was considered to be non-mutagenic in S. typhimurium TA1537, TA1535, TA98 and TA100 strains and E.coli WP2uvrA strain, under the conditions of test.
- Executive summary:
This data is being read across from the source study that tested Resin acids and Rosin acids, esters with trimethylolpropane based oncategory read across that is explained in the category justification document attached in Section 13 of the dossier.
The mutagenicity of the test substance, Resin acids and Rosin acids, esters with trimethylolpropane, was determined in Salmonella Typhimurium (S. Typhimurium) TA98, TA100, TA1535 and TA1537 strains and E.coli Wp2uvrA strain, in a method compatible with the following guidelines: OECD No. 471 'Bacterial Reverse Mutation Test', Method B13/14 of Commission Regulation (EC) number 440/2008 of 30 May 2008, the USA EPA OPPTS 870.5100 - Bacterial Reverse Mutation Test and the Japanese Regulatory Authorities including METI, MHLW and MAFF.
The bacteria were treated with the test substance using both the Ames plate incorporation (Experiment 1) and the pre-incubation method (Experiment 2) at eight dose levels, testing in triplicate with and without the addition of a rat liver homogenate metabolising system (10% liver S9 in standard co-factors). The dose range for Experiment 1 was pre-determined to be 1.5 -5000 µg/plate, based on the General Study Plan. The result of Experiment 1 was deemed negative and so the test was repeated using the pre-incubation method over the dose range of 15 -5000 µg/plate, based on results from Experiment 1. Six test substance concentrations were chosen in Experiment 2 in order to achieve four non-toxic dose levels and the potential toxic limit of the test substance following the change in methodology. The vehicle control used was acetone. The negative untreated controls were employed in order to assess the spontaneous revertant colony rate. The positive controls used were N-ethyl-N'-nitro-N-nitrosoguanidine (ENNG), 9 -Aminoacridine (9AA), 4 -Nitroquinoline-1 -oxide (4NQO), 2 -Aminoanthracene (2AA) and benzo(a)pyrene.
The maximum dose levels of the test substance in Experiment 1 was selected as the maximum recommended dose level of 5000 µg/plate. In both Experiment 1 and 2, there was no visible reduction in the growth of the bacterial background lawn in any of the doses tested in the presence and absence of the S9 -mix. At 1500 µg/plate, there was a cream-coloured test substance film observed, but it did not inhibit the scoring of the revertant colonies. There were also no toxicologically significant increases observed in the frequency of revertant colonies for any of the bacterial strains at any of the doses tested, both with and without the S9 -mix.
The vehicle (acetone) control produced counts of revertant colonies falling within the normal range and all of the positive control chemicals induced marked increases in the frequency of revertant colonies, both with and without metabolic activation. All of the evaluation and acceptability criteria were, therefore this validated the sensitivity of the assay and the efficacy of the S9 -mix.
Based on the results of the study and in accordance with the evaluation criteria, the test substance, Resin acids and Rosin acids, esters with trimethylolpropane, was considered to be non-mutagenic to the bacterial strains testsed under the conditions of the test.
Plate incorporation method
Manual counts were performed at 5000 µg/plate due to the presence of a test film and also on other plates where there were spreading of revertant colonies, thus distorting the actual plate count.
The result was deemed negative.
Master strains were checked for characteristics, viability and spontaneous reversion rate and were all found to be satisfactory.
Animo acid supplemented top agar, the S9 -mix and test substance formulation were shown to be sterile.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.13/14 (Mutagenicity - Reverse Mutation Test Using Bacteria)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.5100 - Bacterial Reverse Mutation Test (August 1998)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- JAPAN: Guidelines for Screening Mutagenicity Testing Of Chemicals
- Version / remarks:
- Japanese Ministry of Economy, Trafe and Industry, Japanese Ministry of Health, Labour and Welfare and Japanese Ministry of Agriculture, Forestry and Fisheries
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- Resin acids and Rosin acids, esters with trimethylolpropane
- EC Number:
- 284-009-7
- EC Name:
- Resin acids and Rosin acids, esters with trimethylolpropane
- Cas Number:
- 84776-83-0
- Molecular formula:
- UVCB substance - Molecular formula Not applicable for UVCBs
- IUPAC Name:
- Resin acids and Rosin acids, esters with trimethylolpropane
- Test material form:
- solid
- Details on test material:
- Vapour pressure: less than 1.4 x 10-3 Pa at 25 °C
Water solubility: 0.06.09x10-4 kg/m-4 g/l
Density: 1.07 x10³ kg/m³ at 19.8 ∓ 0.5 °C
Appearance: pale yellow solid
Melting point: 24.2 to 51.2 ± 0.5 °C (297 to 324 ± 0.5 K)
Boiling point: 418 ± 0.5 °C (691 ± 0.5 K) at 100.9 kPa.
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Physical state/appearance: light yellow solid flakes
- Batch No.of test material: AN-0400-105
- Expiration date of the lot/batch: 01 January 2019
- Purity test date: UVCB (treated as 100%)
> no correction for purity was required
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: approximately -20°C in the dark under nitrogen
- Stability under test conditions: all test substance formulations were used within 4 hours of preparation and were assumed to be stable during this time.
Method
- Target gene:
- The histidine or tryptophan locus
Species / strainopen allclose all
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
- Remarks:
- TA 1537: his C 3076; rfa-; uvrB-; frame-shift mutation TA98: his D 3052; rfa-; uvrB-; R-factor TA1535: his G 46; rfa-, uvrB-, R-factor; base-pair substitution TA100: his G 46; rfa-;uvrB-; R-factor
- Species / strain / cell type:
- E. coli WP2 uvr A
- Remarks:
- trp-; uvrA-; base-pair substitution
- Metabolic activation:
- with and without
- Metabolic activation system:
- S9-mix
- Test concentrations with justification for top dose:
- Experiment 1 - Plate incorporation method: 1.5, 5, 15, 50, 150, 500, 1500 and 5000 µg/plate
Experiment 2 - Pre-Incubation method: 15, 50, 150, 500, 1500 and 5000 µg/plate - determined by the results of Experiment 1 with the plate incorporation - Vehicle / solvent:
- Vehicle/solvent control used: acetone
- Tested in triplicate
- Justification for choice of solvent/vehicle: test substance was fully soluble in acetone at 100 mg/L in solubility checks performed in-house.
Controls
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Remarks:
- Acetone
- True negative controls:
- not specified
- Positive controls:
- yes
- Positive control substance:
- 4-nitroquinoline-N-oxide
- 9-aminoacridine
- N-ethyl-N-nitro-N-nitrosoguanidine
- benzo(a)pyrene
- other: 2-aminoanthracene (2AA)
- Details on test system and experimental conditions:
- BACTERIAL STRAINS
Source: University of California, Berkeley, on culture discs (04/08/95) and British Industrial Biological Research Association, on nutrient agar plate (17/08/87)
> Salmonella strains
- histidine dependent due to a mutation through the histidine operon and are derived from Salmonella typhimurium (S. typhimurium) strain LT2 via mutations in the histidine locus.
- possess a 'deep-rough' (rfa-) mutation, which means they have a faulty liposaccharide coat to the bacterial cell surface thus increasing permeability to larger molecules.
- deletion of uvrB- bio gene, thus inactivating the excision repair system and a dependence on exogenous biotin
- in the TA98 and TA100 strains, the R-factor plasmid pKM101 enchances chemical and UV-induced mutagenesis via increasing the error-prone repair pathway and confers ampicillin resistance
>E.coli strain
- mutation in tryptophan operon
- a uvrA- DNA repair deficiency that increases its sensitivity to some mutagenic compounds, allowing the strain to show enahnced mutability as the uvrA repair system would normally act to remove and repair te damage section of the DNA molecule.
Storage: stored at approximately -196°C in a Statebourne liquid nitrogen freezer
TEST SUBSTANCE PREPARATION
- the test substance was accurately weighed and approximate half-log dilutions prepared in acetone by mixing on a vortex micer and sonication for 10 minutes at 40°C on the day of each experiment.
- in Experiment 2 (plate incorporation method), since acetone is toxic to the bacterial cells at 0.1 mL (100 µL), the formulations were prepared at concentrations two times greater than required on the Vogel-Bonner agar plates. Each formulation was dosed using 0.05 mL (50 µL) aliquots and the solvent was dried prior to use, in order to remove water using molecular sieves i.e. 2 mm sodium alumino-silicate pellets with a nominal pore diameter of 4 x10^-4 microns.
METHOD OF APPLICATION: onto Vogel-Bonner agar plates; pre-incubation
DURATION
- Preincubation period: Overnight sub-cultures of appropriate-coded stock cultures were prepared in nutrient broth and incubated at 37°C for approximately 10 hours. Each culture was monitored spectrophotometrically for turbidity with titres determined by viable count analysis on nutrient agar plates.
- Exposure duration: approximately 48 hours at 37 ± 3°C
OBSERVATIONS AND SCORING
- plates were viewed microscopically for evidence of thinning (toxicity) and the presence of revertant colonies were scored via an automated colony counting system
POSITIVE CONTROL CONCENTRATIONS: performed in triplicate
1) ENNG: 2 µg/mL for WP2 uvrA; 3 µg/plate for TA100; 5 µg/plate for TA1535
2) 9AA: 80 µg/plate for TA1537
3) 4NQO: 0.2 µg/plate for TA98
4) 2AA: 1 µg/plate for TA100; 2 µg/plate for TA1535 and TA1537; 10 µg/plate for WP2uvrA
5) BP: 5 µg/plate for TA98
STERILITY CONTROLS: performed in triplicate
1) Top agar and histidine/biotin or tryptothan in the absence of the S9-mix
2) Top agar and histidine/biotin or tryptophan in the presence of the S9-mix
3) The maximum dosing solution of the test substance in the absence of the S9-mix (test in singular only) - Evaluation criteria:
- Any, one, or all of the following can be used to determine the overall result of the study:
1) A dose-related increase in mutant frequency over the dose range tested (De Serres and Shelby, 1979).
2) A reproducible increase at one or more concentrations.
3) Biological relevance against in-house historical control ranges.
4) Statistical analysis of data as determined by UKEMS (Mahon et al., 1989).
5) Fold increase greater than two times the concurrent solvent control for any tester strain (especially if accompanied by an out-of-historical range response (Cariello and Piegorsch, 1996)).
A test item will be considered non-mutagenic (negative) in the test system if the above criteria are not met.
Although most experiments will give clear positive or negative results, in some instances the data generated will prohibit making a definite judgment about test item activity. Results of this type will be reported as equivocal. - Statistics:
- Dunnetts Regression Analysis (* = p < 0.05) for those values that indicate statistically significant increases in the frequency of revertant colonies compared to the concurrent solvent control.
Results and discussion
Test results
- Key result
- Species / strain:
- S. typhimurium TA 1535
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- not specified
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Additional information on results:
- EXPERIMENT 1:
- The maximum dose level of the test substance was selected as the maximum recommended dose level of 5000 µg/plate.
EXPERIMENT 1 and 2:
- There was no visible reduction in the growth of the bacterial background lawn at any dose level either in the absence or presence of metabolic activation.
- No toxicologically signficant increases in the frequency of revertant colonies were recorded for any of the bacterial strains at any dose of the test susbtance and with or without the S9-mix.
- A cream-coloured test substance film was noted at and above 1500 µg/plate, but it did not prevent the scoring of the revertant colonies.
CONTROLS:
Vehicle control (Acetone) plates: the counts of revertant colonies within the normal range.
Positive control chemicals: induced marked increases in the frequency of revertant colonies, both with and without metabolic activation.
> therefore the sensitivity of the assay and efficiacy of the S9-mix were validated.
HISTORICAL CONTROL DATA (with ranges, means and standard deviation and confidence interval (e.g. 95%) :
- please see Figure 1 in the 'attached background material' sectiom.
Any other information on results incl. tables
Plate incorporation method
Manual counts were performed at 5000 µg/plate due to the presence of a test film and also on other plates where there were spreading of revertant colonies, thus distorting the actual plate count.
The result was deemed negative.
Master strains were checked for characteristics, viability and spontaneous reversion rate and were all found to be satisfactory.
Animo acid supplemented top agar, the S9 -mix and test substance formulation were shown to be sterile.
Applicant's summary and conclusion
- Conclusions:
- Based on the results of the study, the test substance, Resin acids and Rosin acids, esters with trimethylolpropane, was considered to be non-mutagenic in S. typhimurium TA1537, TA1535, TA98 and TA100 strains and E.coli WP2uvrA strain, under the conditions of test.
- Executive summary:
The mutagenicity of the test substance, Resin acids and Rosin acids, esters with trimethylolpropane, was determined in Salmonella Typhimurium (S. Typhimurium) TA98, TA100, TA1535 and TA1537 strains and E.coli Wp2uvrA strain, in a method compatible with the following guidelines: OECD No. 471 'Bacterial Reverse Mutation Test', Method B13/14 of Commission Regulation (EC) number 440/2008 of 30 May 2008, the USA EPA OPPTS 870.5100 - Bacterial Reverse Mutation Test and the Japanese Regulatory Authorities including METI, MHLW and MAFF.
The bacteria were treated with the test substance using both the Ames plate incorporation (Experiment 1) and the pre-incubation method (Experiment 2) at eight dose levels, testing in triplicate with and without the addition of a rat liver homogenate metabolising system (10% liver S9 in standard co-factors). The dose range for Experiment 1 was pre-determined to be 1.5 -5000 µg/plate, based on the General Study Plan. The result of Experiment 1 was deemed negative and so the test was repeated using the pre-incubation method over the dose range of 15 -5000 µg/plate, based on results from Experiment 1. Six test substance concentrations were chosen in Experiment 2 in order to achieve four non-toxic dose levels and the potential toxic limit of the test substance following the change in methodology. The vehicle control used was acetone. The negative untreated controls were employed in order to assess the spontaneous revertant colony rate. The positive controls used were N-ethyl-N'-nitro-N-nitrosoguanidine (ENNG), 9 -Aminoacridine (9AA), 4 -Nitroquinoline-1 -oxide (4NQO), 2 -Aminoanthracene (2AA) and benzo(a)pyrene.
The maximum dose levels of the test substance in Experiment 1 was selected as the maximum recommended dose level of 5000 µg/plate. In both Experiment 1 and 2, there was no visible reduction in the growth of the bacterial background lawn in any of the doses tested in the presence and absence of the S9 -mix. At 1500 µg/plate, there was a cream-coloured test substance film observed, but it did not inhibit the scoring of the revertant colonies. There were also no toxicologically significant increases observed in the frequency of revertant colonies for any of the bacterial strains at any of the doses tested, both with and without the S9 -mix.
The vehicle (acetone) control produced counts of revertant colonies falling within the normal range and all of the positive control chemicals induced marked increases in the frequency of revertant colonies, both with and without metabolic activation. All of the evaluation and acceptability criteria were, therefore this validated the sensitivity of the assay and the efficacy of the S9 -mix.
Based on the results of the study and in accordance with the evaluation criteria, the test substance, Resin acids and Rosin acids, esters with trimethylolpropane, was considered to be non-mutagenic to the bacterial strains testsed under the conditions of the test.
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