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EC number: 207-074-5 | CAS number: 431-47-0
- 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
Endpoint summary
Administrative data
Key value for chemical safety assessment
Genetic toxicity in vitro
Description of key information
Based on the prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, gene mutation was predicted for Methyl trifluoroacetate. The study assumed the use of Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 with S9 metabolic activation system. Methyl trifluoroacetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro.
Based on the predicted result it can be concluded that the substance is considered to not toxic as per the criteria mentioned in CLP regulation.
Link to relevant study records
- Endpoint:
- in vitro gene mutation study in bacteria
- Remarks:
- Type of genotoxicity: gene mutation
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
- Justification for type of information:
- Data is from OECD QSAR Toolbox version 3.3 and the supporting QMRF report has been attached
- Qualifier:
- according to guideline
- Guideline:
- other: Refer below principle
- Principles of method if other than guideline:
- Prediction is done using OECD QSAR Toolbox version 3.3, 2017
- GLP compliance:
- not specified
- Type of assay:
- bacterial reverse mutation assay
- Specific details on test material used for the study:
- - Name of the test material: Methyl trifluoroacetate
- IUPAC name: Methyl trifluoroacetate
- Molecular formula: C3H3F3O2
- Molecular weight: 128.049 g/mol
- Substance type: Organic
- Smiles: C(C(OC)=O)(F)(F)F - Target gene:
- Histidine
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and TA 102
- Details on mammalian cell type (if applicable):
- Not applicable
- Additional strain / cell type characteristics:
- not specified
- Cytokinesis block (if used):
- No data
- Metabolic activation:
- with
- Metabolic activation system:
- S9 metabolic activation system
- Test concentrations with justification for top dose:
- No data
- Vehicle / solvent:
- No data
- Untreated negative controls:
- not specified
- Negative solvent / vehicle controls:
- not specified
- True negative controls:
- not specified
- Positive controls:
- not specified
- Positive control substance:
- not specified
- Details on test system and experimental conditions:
- No data
- Rationale for test conditions:
- No data
- Evaluation criteria:
- Prediction was done considering a dose dependent increase in the number of revertants/plate
- Statistics:
- No data
- Species / strain:
- S. typhimurium, other: TA 1535, TA 1537, TA 98, TA 100 and TA 102
- Metabolic activation:
- with
- 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
- Additional information on results:
- No data
- Conclusions:
- Methyl trifluoroacetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro.
- Executive summary:
Based on the prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, gene mutation was predicted for Methyl trifluoroacetate. The study assumed the use of Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 with S9 metabolic activation system. Methyl trifluoroacetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro.
Based on the predicted result it can be concluded that the substance is considered to not toxic as per the criteria mentioned in CLP regulation.
Reference
The
prediction was based on dataset comprised from the following
descriptors: "Gene mutation"
Estimation method: Takes highest mode value from the 8 nearest neighbours
Domain logical expression:Result: In Domain
((((((((((("a"
or "b" or "c" or "d" or "e" )
and ("f"
and (
not "g")
)
)
and ("h"
and (
not "i")
)
)
and ("j"
and (
not "k")
)
)
and ("l"
and (
not "m")
)
)
and ("n"
and (
not "o")
)
)
and ("p"
and (
not "q")
)
)
and ("r"
and (
not "s")
)
)
and "t" )
and ("u"
and (
not "v")
)
)
and ("w"
and "x" )
)
Domain
logical expression index: "a"
Referential
boundary: The
target chemical should be classified as Esters (Acute toxicity) by
US-EPA New Chemical Categories
Domain
logical expression index: "b"
Referential
boundary: The
target chemical should be classified as PFOA by OECD HPV Chemical
Categories
Domain
logical expression index: "c"
Referential
boundary: The
target chemical should be classified as Alkyl halide AND Carboxylic acid
ester by Organic Functional groups
Domain
logical expression index: "d"
Referential
boundary: The
target chemical should be classified as Alkyl halide AND Carboxylic acid
ester AND Overlapping groups by Organic Functional groups (nested)
Domain
logical expression index: "e"
Referential
boundary: The
target chemical should be classified as Aliphatic Carbon [C] AND
Aliphatic Carbon [CH] AND Aliphatic Carbon [-CH2-] AND Aliphatic Carbon
[-CH3] AND Carbonyl, aliphatic attach [-C(=O)-] AND Ester, aliphatic
attach [-C(=O)O] AND Fluorine, aliphatic attach [-F] AND Miscellaneous
sulfide (=S) or oxide (=O) AND Olefinic carbon [=CH- or =C<] by Organic
functional groups (US EPA)
Domain
logical expression index: "f"
Referential
boundary: The
target chemical should be classified as No alert found by DNA binding by
OECD
Domain
logical expression index: "g"
Referential
boundary: The
target chemical should be classified as Acylation OR Acylation >>
Isocyanates and Isothiocyanates OR Acylation >> Isocyanates and
Isothiocyanates >> Isothiocyanates OR Acylation >> P450 Mediated
Activation to Isocyanates or Isothiocyanates OR Acylation >> P450
Mediated Activation to Isocyanates or Isothiocyanates >>
Benzylamines-Acylation OR Acylation >> P450 Mediated Activation to
Isocyanates or Isothiocyanates >> Formamides OR Michael addition OR
Michael addition >> P450 Mediated Activation of Heterocyclic Ring
Systems OR Michael addition >> P450 Mediated Activation of Heterocyclic
Ring Systems >> Furans OR Michael addition >> P450 Mediated Activation
of Heterocyclic Ring Systems >> Thiophenes-Michael addition OR Michael
addition >> P450 Mediated Activation to Quinones and Quinone-type
Chemicals OR Michael addition >> P450 Mediated Activation to Quinones
and Quinone-type Chemicals >> Alkyl phenols OR Michael addition >> P450
Mediated Activation to Quinones and Quinone-type Chemicals >> Arenes OR
Michael addition >> P450 Mediated Activation to Quinones and
Quinone-type Chemicals >> Hydroquinones OR Michael addition >> P450
Mediated Activation to Quinones and Quinone-type Chemicals >>
Methylenedioxyphenyl OR Michael addition >> Polarised Alkenes-Michael
addition OR Michael addition >> Polarised Alkenes-Michael addition >>
Alpha, beta- unsaturated aldehydes OR Michael addition >> Polarised
Alkenes-Michael addition >> Alpha, beta- unsaturated esters OR Michael
addition >> Polarised Alkenes-Michael addition >> Alpha, beta-
unsaturated ketones OR Michael addition >> Quinones and Quinone-type
Chemicals OR Michael addition >> Quinones and Quinone-type Chemicals >>
Quinones OR Schiff base formers OR Schiff base formers >> Direct Acting
Schiff Base Formers OR Schiff base formers >> Direct Acting Schiff Base
Formers >> Mono aldehydes OR SN1 OR SN1 >> Carbenium Ion Formation OR
SN1 >> Carbenium Ion Formation >> Aliphatic N-Nitro OR SN1 >> Carbenium
Ion Formation >> Allyl benzenes OR SN1 >> Carbenium Ion Formation >>
N-Nitroso (alkylation) OR SN1 >> Iminium Ion Formation OR SN1 >> Iminium
Ion Formation >> Aliphatic tertiary amines OR SN1 >> Nitrenium Ion
formation OR SN1 >> Nitrenium Ion formation >> Aromatic azo OR SN1 >>
Nitrenium Ion formation >> Aromatic nitro OR SN1 >> Nitrenium Ion
formation >> Primary (unsaturated) heterocyclic amine OR SN1 >>
Nitrenium Ion formation >> Primary aromatic amine OR SN1 >> Nitrenium
Ion formation >> Secondary aromatic amine OR SN1 >> Nitrenium Ion
formation >> Tertiary aromatic amine OR SN1 >> Nitrenium Ion formation
>> Unsaturated heterocyclic azo OR SN1 >> Nitrenium Ion formation >>
Unsaturated heterocyclic ester hydroxylamine OR SN1 >> Nitrenium Ion
formation >> Unsaturated heterocyclic N-hydroxylamines OR SN1 >>
Nitrenium Ion formation >> Unsaturated heterocyclic nitro OR SN2 OR SN2
>> Direct Acting Epoxides and related OR SN2 >> Direct Acting Epoxides
and related >> Aziridines OR SN2 >> Direct Acting Epoxides and related
>> Epoxides OR SN2 >> Episulfonium Ion Formation OR SN2 >> Episulfonium
Ion Formation >> 1,2-Dihaloalkanes OR SN2 >> Episulfonium Ion Formation
>> Mustards OR SN2 >> Nitrosation-SN2 OR SN2 >> Nitrosation-SN2 >>
Nitroso-SN2 OR SN2 >> P450 Mediated Epoxidation OR SN2 >> P450 Mediated
Epoxidation >> Thiophenes-SN2 OR SN2 >> SN2 at an sp3 Carbon atom OR SN2
>> SN2 at an sp3 Carbon atom >> Aliphatic halides by DNA binding by OECD
Domain
logical expression index: "h"
Referential
boundary: The
target chemical should be classified as Non binder, non cyclic structure
by Estrogen Receptor Binding
Domain
logical expression index: "i"
Referential
boundary: The
target chemical should be classified as Moderate binder, OH grooup OR
Non binder, impaired OH or NH2 group OR Non binder, MW>500 OR Non
binder, without OH or NH2 group OR Strong binder, OH group OR Very
strong binder, OH group OR Weak binder, OH group by Estrogen Receptor
Binding
Domain
logical expression index: "j"
Referential
boundary: The
target chemical should be classified as No alert found by Protein
binding by OASIS v1.3
Domain
logical expression index: "k"
Referential
boundary: The
target chemical should be classified as Acylation OR Acylation >> Direct
acylation involving a leaving group OR Acylation >> Direct acylation
involving a leaving group >> Anhydrides (sulphur analogues of
anhydrides) OR Acylation >> Ester aminolysis OR Acylation >> Ester
aminolysis >> Amides OR Michael Addition OR Michael Addition >> Michael
addition on conjugated systems with electron withdrawing group OR
Michael Addition >> Michael addition on conjugated systems with electron
withdrawing group >> alpha,beta-Carbonyl compounds with polarized triple
bond OR Nucleophilic addition OR Nucleophilic addition >> Addition to
carbon-hetero double bonds OR Nucleophilic addition >> Addition to
carbon-hetero double bonds >> Ketones OR Schiff base formation OR Schiff
base formation >> Schiff base formation with carbonyl compounds OR
Schiff base formation >> Schiff base formation with carbonyl compounds
>> alpha-Ketoesters OR SN2 OR SN2 >> Nucleophilic substitution at sp3
carbon atom OR SN2 >> Nucleophilic substitution at sp3 carbon atom >>
(Thio)Phosphates OR SN2 >> Nucleophilic substitution at sp3 carbon atom
>> Alkyl halides OR SN2 >> Nucleophilic substitution at sp3 carbon atom
>> alpha-Activated haloalkanes OR SN2 >> Nucleophilic substitution at
sp3 carbon atom >> Phosphonates OR SN2 >> SN2 Reaction at a sp3 carbon
atom OR SN2 >> SN2 Reaction at a sp3 carbon atom >> Activated alkyl
esters and thioesters by Protein binding by OASIS v1.3
Domain
logical expression index: "l"
Referential
boundary: The
target chemical should be classified as No alert found by Protein
binding by OECD
Domain
logical expression index: "m"
Referential
boundary: The
target chemical should be classified as Acylation OR Acylation >> Direct
Acylation Involving a Leaving group OR Acylation >> Direct Acylation
Involving a Leaving group >> Acetates by Protein binding by OECD
Domain
logical expression index: "n"
Referential
boundary: The
target chemical should be classified as Halogens AND Non-Metals by
Groups of elements
Domain
logical expression index: "o"
Referential
boundary: The
target chemical should be classified as Alkali Earth by Groups of
elements
Domain
logical expression index: "p"
Referential
boundary: The
target chemical should be classified as Group 14 - Carbon C AND Group 16
- Oxygen O AND Group 17 - Halogens F AND Group 17 - Halogens
F,Cl,Br,I,At by Chemical elements
Domain
logical expression index: "q"
Referential
boundary: The
target chemical should be classified as Group 15 - Nitrogen N OR Group
15 - Phosphorus P OR Group 16 - Sulfur S by Chemical elements
Domain
logical expression index: "r"
Referential
boundary: The
target chemical should be classified as Alkyl fluoride AND Alkyl halide
AND Carbonic acid derivative AND Carboxylic acid derivative AND
Carboxylic acid ester AND Halogen derivative by Organic functional
groups, Norbert Haider (checkmol)
Domain
logical expression index: "s"
Referential
boundary: The
target chemical should be classified as 1,2-diol OR Alcohol OR Carbonyl
compound OR Carboxylic acid OR Dialkylether OR Ether OR Hydroxy compound
OR Ketone OR Primary alcohol OR Secondary alcohol by Organic functional
groups, Norbert Haider (checkmol)
Domain
logical expression index: "t"
Similarity
boundary:Target:
COC(=O)C(F)(F)F
Threshold=10%,
Dice(Atom centered fragments)
Atom type; Count H attached; Hybridization
Domain
logical expression index: "u"
Referential
boundary: The
target chemical should be classified as Not categorized by Repeated dose
(HESS)
Domain
logical expression index: "v"
Referential
boundary: The
target chemical should be classified as Valproic acid (Hepatotoxicity)
Alert by Repeated dose (HESS)
Domain
logical expression index: "w"
Parametric
boundary:The
target chemical should have a value of log Kow which is >= -0.0919
Domain
logical expression index: "x"
Parametric
boundary:The
target chemical should have a value of log Kow which is <= 1.85
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (negative)
Genetic toxicity in vivo
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Gene mutation in vitro:
Prediction model based estimation and data from read across chemical have been reviewed to determine the muategnic nature of Methyl trifluoroacetate. The studies are as mentioned below:
Based on the prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, gene mutation was predicted for Methyl trifluoroacetate. The study assumed the use of Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 with and without S9 metabolic activation system. Methyl trifluoroacetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence and absence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro.
Gene mutation toxicity was predicted for methyl trifluoroacetate using the battery approach from Danish QSAR database (2017). The study assumed the use of Salmonella typhimurium bacteria in the Ames test. The end point for gene mutation has been modeled in the Danish QSAR using the three software systems Leadscope, CASE Ultra and SciQSAR. Based on predictions from these three systems, a fourth and overall battery prediction is made. The battery prediction is made using the so called Battery algorithm. With the battery approach it is in many cases possible to reduce “noise” from the individual model estimates and thereby improve accuracy and/or broaden the applicability domain.Gene mutation toxicity study as predicted by Danish QSAR for methyl trifluoroacetate is negative and hence the chemical is predicted to not classify as a gene mutant in vitro.
In a study for structurally and functionally similar read across chemical, Gene mutation toxicity study was performed by Zeiger et al (Environmental and molecular mutagenesis, 1992) to determine the mutagenic nature of ethyl acetate (RA CAS no 141 -78 -6; IUPAC name: Ethyl acetate). The study was performed using Salmonella typhimurium strains TA97, TA98, TA100, TA1535 and TA1537 in the presence and absence of S9 metabolic activation system. The chemical was dissolved in DMSO as solvent and used at dose levels 0, 100, 333, 1000, 3333 or 10000 µg/plate by the preincubation method. The doses were selected on the basis of preliminary dose range finding study and concurrent solvent and positive controls were included in the study. Ethyl acetate did not induce mutation in Salmonella typhimurium TA97, TA98, TA100, TA1535 and TA1537 in the presence and absence of S9 metabolic activation system and hence is not likely to classify as a gene mutant in vitro.
Ishidate et al (Food and chemical toxicology, 1984) performed gene mutation toxicity study to determine the mutagenic nature of structurally and functionally similar read across chemical Ethyl butyrate (RA CAS no 105 -54 -4; IUPAC name: Ethyl butyrate). The study was performed using S. typhimurium strains TA92, TA1535, TA100, TA1537, TA94 and TA98 with and without S9 metabolic activation system. The test was performed as per the preincubation assay at six different concentration with 10mg/plate being the maximum concentration. Preincubation was performed for 20 mins and the exposure duration was for 48 hrs. The result was considered positive if the number of colonies found was twice the number in the control (exposed to the appropriate solvent or untreated). Ethyl butyrate dd not induce a doubling of revertant colonies over the control using S. typhimurium strains TA92, TA1535, TA100, TA1537, TA94 and TA98 in the presence and absence of S9 metabolic activation system and hence is not likely to classify as a gene mutant in vitro.
In the same study by Ishidate et al (1984), Chromosomal aberration study was performed to determine the mutagenic nature of ethyl butyrate (RA CAS no 105 -54 -4). The cells were exposed to the test material at three different doses with 4 mg/mL being the maximum concentration for 24 and 48 hr. Colcemid (final concn 0.2µg/ml) was added to the culture 2 hr before cell harvesting. The cells were then trypsinized and suspended in a hypotonic KCI solution (0.075 M) for 13 min at room temperature. After centrifugation the cells were fixed with acetic acid-methanol (1:3, v/v) and spread on clean glass slides. After air-drying, the slides were stained with Giemsa solution for 12-15 min. A hundred well-spread metaphases were observed under the microscope. In the present studies, no metabolic activation systems were applied. The incidence of polyploid cells as well as of cells with structural chromosomal aberrations such as chromatid or chromosome gaps, breaks, exchanges, ring formations, fragmentations and others, was recorded on each culture plate. Untreated cells and solvent-treated cells served as negative controls, in which the incidence of aberrations was usually less than 3.0%. The results were considered to be negative if the incidence was less than 4.9%, equivocal if it was between 5.0 and 9.9%, and positive if it was more than 10.0%. Ethyl butyrate did not induce chromosomal aberration in chinese hamster fibroblast cell line CHL and hence is not likely to classify as a gene mutant in vitro.
Based on the data available for the target chemical and its read across, Methyl trifluoracetate (CAS no 431 -47 -0) does not exhibit gene mutation in vitro. Hence the test chemical is not likely to classify as a gene mutant in vitro.
Justification for classification or non-classification
Based on the data available for the target chemical and its read across, Methyl trifluoracetate (CAS no 431 -47 -0) does not exhibit gene mutation in vitro. Hence the test chemical is not likely to classify as a gene mutant in vitro.
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