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EC number: 221-998-6 | CAS number: 3312-04-7
- 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 2- phenylethyl benzoate. 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. 2- phenylethyl benzoate 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: 2-phenylethyl benzoate
- IUPAC name: 2-phenylethyl benzoate
- Molecular formula: C15H14O2
- Molecular weight: 226.274 g/mol
- Substance type: Organic
- Smiles: c1(C(OCCc2ccccc2)=O)ccccc1 - 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 is 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:
- 2- phenylethyl benzoate 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 2- phenylethyl benzoate. 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. 2- phenylethyl benzoate 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 6 nearest neighbours
Domain logical expression:Result: In Domain
(((("a"
and ("b"
and (
not "c")
)
)
and "d" )
and ("e"
and (
not "f")
)
)
and ("g"
and "h" )
)
Domain
logical expression index: "a"
Referential
boundary: The
target chemical should be classified as Alkyl chloride OR Alkyl halide
OR Aromatic compound OR Aryl fluoride OR Aryl halide OR Halogen
derivative by Organic functional groups, Norbert Haider (checkmol) ONLY
Domain
logical expression index: "b"
Referential
boundary: The
target chemical should be classified as No alert found by DNA binding by
OASIS v.1.3
Domain
logical expression index: "c"
Referential
boundary: The
target chemical should be classified as AN2 OR AN2 >> Michael-type
addition, quinoid structures OR AN2 >> Michael-type addition, quinoid
structures >> Quinoneimines OR AN2 >> Michael-type addition, quinoid
structures >> Quinones OR AN2 >> Carbamoylation after isocyanate
formation OR AN2 >> Carbamoylation after isocyanate formation >>
N-Hydroxylamines OR AN2 >> Nucleophilic addition to alpha,
beta-unsaturated carbonyl compounds OR AN2 >> Nucleophilic addition to
alpha, beta-unsaturated carbonyl compounds >> alpha, beta-Unsaturated
Aldehydes OR AN2 >> Schiff base formation OR AN2 >> Schiff base
formation >> alpha, beta-Unsaturated Aldehydes OR AN2 >> Schiff base
formation >> Polarized Haloalkene Derivatives OR AN2 >> Schiff base
formation by aldehyde formed after metabolic activation OR AN2 >> Schiff
base formation by aldehyde formed after metabolic activation >> Geminal
Polyhaloalkane Derivatives OR AN2 >> Shiff base formation for aldehydes
OR AN2 >> Shiff base formation for aldehydes >> Geminal Polyhaloalkane
Derivatives OR AN2 >> Shiff base formation for aldehydes >> Haloalkane
Derivatives with Labile Halogen OR AN2 >> Thioacylation via nucleophilic
addition after cysteine-mediated thioketene formation OR AN2 >>
Thioacylation via nucleophilic addition after cysteine-mediated
thioketene formation >> Haloalkenes with Electron-Withdrawing Groups OR
AN2 >> Thioacylation via nucleophilic addition after cysteine-mediated
thioketene formation >> Polarized Haloalkene Derivatives OR Michael
addition OR Michael addition >> Quinone type compounds OR Michael
addition >> Quinone type compounds >> Quinone methides OR Non-covalent
interaction OR Non-covalent interaction >> DNA intercalation OR
Non-covalent interaction >> DNA intercalation >> Acridone, Thioxanthone,
Xanthone and Phenazine Derivatives OR Non-covalent interaction >> DNA
intercalation >> Aminoacridine DNA Intercalators OR Non-covalent
interaction >> DNA intercalation >> Fused-Ring Primary Aromatic Amines
OR Non-covalent interaction >> DNA intercalation >> Quinones OR
Non-specific OR Non-specific >> Incorporation into DNA/RNA, due to
structural analogy with nucleoside bases OR Non-specific >>
Incorporation into DNA/RNA, due to structural analogy with nucleoside
bases >> Specific Imine and Thione Derivatives OR Radical OR Radical
>> Generation of ROS by glutathione depletion (indirect) OR Radical >>
Generation of ROS by glutathione depletion (indirect) >> Haloalkanes
Containing Heteroatom OR Radical >> Radical mechanism by ROS formation
OR Radical >> Radical mechanism by ROS formation >> Acridone,
Thioxanthone, Xanthone and Phenazine Derivatives OR Radical >> Radical
mechanism via ROS formation (indirect) OR Radical >> Radical mechanism
via ROS formation (indirect) >> Conjugated Nitro Compounds OR Radical >>
Radical mechanism via ROS formation (indirect) >> Fused-Ring Primary
Aromatic Amines OR Radical >> Radical mechanism via ROS formation
(indirect) >> Geminal Polyhaloalkane Derivatives OR Radical >> Radical
mechanism via ROS formation (indirect) >> Hydrazine Derivatives OR
Radical >> Radical mechanism via ROS formation (indirect) >>
N-Hydroxylamines OR Radical >> Radical mechanism via ROS formation
(indirect) >> Quinones OR Radical >> Radical mechanism via ROS formation
(indirect) >> Specific Imine and Thione Derivatives OR Radical >> ROS
formation after GSH depletion OR Radical >> ROS formation after GSH
depletion (indirect) OR Radical >> ROS formation after GSH depletion
(indirect) >> Quinoneimines OR Radical >> ROS formation after GSH
depletion >> Quinone methides OR SN1 OR SN1 >> Alkylation after
metabolically formed carbenium ion species OR SN1 >> Alkylation after
metabolically formed carbenium ion species >> Polycyclic Aromatic
Hydrocarbon Derivatives OR SN1 >> Nucleophilic attack after carbenium
ion formation OR SN1 >> Nucleophilic attack after carbenium ion
formation >> Acyclic Triazenes OR SN1 >> Nucleophilic attack after
carbenium ion formation >> N-Nitroso Compounds OR SN1 >> Nucleophilic
attack after metabolic nitrenium ion formation OR SN1 >> Nucleophilic
attack after metabolic nitrenium ion formation >> Fused-Ring Primary
Aromatic Amines OR SN1 >> Nucleophilic attack after metabolic nitrenium
ion formation >> N-Hydroxylamines OR SN1 >> Nucleophilic attack after
nitrenium and/or carbenium ion formation OR SN1 >> Nucleophilic attack
after nitrenium and/or carbenium ion formation >> N-Nitroso Compounds OR
SN1 >> Nucleophilic attack after reduction and nitrenium ion formation
OR SN1 >> Nucleophilic attack after reduction and nitrenium ion
formation >> Conjugated Nitro Compounds OR SN1 >> Nucleophilic attack
after reduction and nitrenium ion formation >> Nitrobiphenyls and
Bridged Nitrobiphenyls OR SN1 >> Nucleophilic substitution on diazonium
ions OR SN1 >> Nucleophilic substitution on diazonium ions >> Specific
Imine and Thione Derivatives OR SN2 OR SN2 >> Acylation involving a
leaving group OR SN2 >> Acylation involving a leaving group >> Geminal
Polyhaloalkane Derivatives OR SN2 >> Acylation involving a leaving group
>> Haloalkane Derivatives with Labile Halogen OR SN2 >> Acylation
involving a leaving group after metabolic activation OR SN2 >> Acylation
involving a leaving group after metabolic activation >> Geminal
Polyhaloalkane Derivatives OR SN2 >> Alkylation by epoxide metabolically
formed after E2 reaction OR SN2 >> Alkylation by epoxide metabolically
formed after E2 reaction >> Monohaloalkanes OR SN2 >> Alkylation, direct
acting epoxides and related OR SN2 >> Alkylation, direct acting epoxides
and related >> Epoxides and Aziridines OR SN2 >> Alkylation, direct
acting epoxides and related after cyclization OR SN2 >> Alkylation,
direct acting epoxides and related after cyclization >> Nitrogen
Mustards OR SN2 >> Alkylation, direct acting epoxides and related after
P450-mediated metabolic activation OR SN2 >> Alkylation, direct acting
epoxides and related after P450-mediated metabolic activation >>
Haloalkenes with Electron-Withdrawing Groups OR SN2 >> Alkylation,
direct acting epoxides and related after P450-mediated metabolic
activation >> Polycyclic Aromatic Hydrocarbon Derivatives OR SN2 >>
Alkylation, nucleophilic substitution at sp3-carbon atom OR SN2 >>
Alkylation, nucleophilic substitution at sp3-carbon atom >> Haloalkane
Derivatives with Labile Halogen OR SN2 >> Alkylation, nucleophilic
substitution at sp3-carbon atom >> Monohaloalkanes OR SN2 >> Direct
acting epoxides formed after metabolic activation OR SN2 >> Direct
acting epoxides formed after metabolic activation >> Quinoline
Derivatives OR SN2 >> DNA alkylation OR SN2 >> DNA alkylation >> Vicinal
Dihaloalkanes OR SN2 >> Internal SN2 reaction with aziridinium and/or
cyclic sulfonium ion formation (enzymatic) OR SN2 >> Internal SN2
reaction with aziridinium and/or cyclic sulfonium ion formation
(enzymatic) >> Vicinal Dihaloalkanes OR SN2 >> Nucleophilic substitution
after carbenium ion formation OR SN2 >> Nucleophilic substitution after
carbenium ion formation >> Monohaloalkanes OR SN2 >> Nucleophilic
substitution at sp3 Carbon atom OR SN2 >> Nucleophilic substitution at
sp3 Carbon atom >> Haloalkanes Containing Heteroatom OR SN2 >>
Nucleophilic substitution at sp3 carbon atom after thiol (glutathione)
conjugation OR SN2 >> Nucleophilic substitution at sp3 carbon atom after
thiol (glutathione) conjugation >> Geminal Polyhaloalkane Derivatives OR
SN2 >> SN2 at an activated carbon atom OR SN2 >> SN2 at an activated
carbon atom >> Quinoline Derivatives OR SN2 >> SN2 at sp3 and activated
sp2 carbon atom OR SN2 >> SN2 at sp3 and activated sp2 carbon atom >>
Polarized Haloalkene Derivatives by DNA binding by OASIS v.1.3
Domain
logical expression index: "d"
Referential
boundary: The
target chemical should be classified as SN2 AND SN2 >> SN2 at an sp3
Carbon atom AND SN2 >> SN2 at an sp3 Carbon atom >> Aliphatic halides by
DNA binding by OECD ONLY
Domain
logical expression index: "e"
Referential
boundary: The
target chemical should be classified as Not possible to classify
according to these rules by DPRA Lysine peptide depletion
Domain
logical expression index: "f"
Referential
boundary: The
target chemical should be classified as Low reactive OR Low reactive >>
Benzyl halides by DPRA Lysine peptide depletion
Domain
logical expression index: "g"
Parametric
boundary:The
target chemical should have a value of log Kow which is >= 2.32
Domain
logical expression index: "h"
Parametric
boundary:The
target chemical should have a value of log Kow which is <= 6.49
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 mutagenic nature of 1,1'-(4-Chlorobutylidene)bis(4-fluorobenzene) . 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 2- phenylethyl benzoate. 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. 2- phenylethyl benzoate 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 1,1'-(4-Chlorobutylidene)bis(4-fluorobenzene) 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 1,1'-(4-Chlorobutylidene)bis(4-fluorobenzene) 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 lauryl chloride (RA CAS no 112 -52 -7; IUPAC name: 1 -chlorododecane). The study was performed usingSalmonella typhimurium strainsTA97, 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. Lauryl chloride 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.
Tornero- Velez et al (Drug Matabolism and Disposition, 2004) performed gene mutation toxicity study to determine the mutagenic nature of 1,3- dichloropropane (RA CAS no 142 -28 -9; IUPAC name: 1, 3- dichloropropane). The study was performed using Salmonella typhimurium strainsTA98, TA100, TA104 TA1535, RSJ100, GSST1 in the presence and absence of S9 metabolic activation system. The chemical was dissolved in DMSO as solvent and used at dose levels 0.00, 0.01, 0.05, 0.10, 0.50, 1.00, 2.00 mg/plate. Concurrent solvent and positive controls were included in the study. 1, 3 Dichloropropane did not induce mutation in Salmonella typhimurium TA98, TA100, TA104 TA1535, RSJ100, GSST1 in the presence and absence of S9 metabolic activation system 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, 1,1'-(4-Chlorobutylidene)bis(4-fluorobenzene) 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, 1,1'-(4-Chlorobutylidene)bis(4-fluorobenzene) (CAS no 3312 -04 -7) 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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