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EC number: 204-569-8 | CAS number: 122-72-5
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Endpoint summary
Administrative data
Description of key information
Key value for chemical safety assessment
Skin sensitisation
Link to relevant study records
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Dta is from publication
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- Principles of method if other than guideline:
- Maximization test was conducted on human to determine skin sensitisation of chemical 3- Phenylpropyl acetate.
- GLP compliance:
- not specified
- Type of study:
- other: Human Maximization test
- Justification for non-LLNA method:
- not specified
- Species:
- human
- Strain:
- other: not applicable
- Sex:
- male
- Details on test animals and environmental conditions:
- - Age at study initiation: Adult
- Route:
- epicutaneous, occlusive
- Vehicle:
- petrolatum
- Concentration / amount:
- 8% (5520 µg/cm2)
- Route:
- epicutaneous, occlusive
- Vehicle:
- petrolatum
- Concentration / amount:
- 8% (5520 µg/cm2)
- No. of animals per dose:
- 25 volunteers
- Details on study design:
- A. INDUCTION EXPOSURE- No. of exposures: for five alternate days- Exposure period: 48 h periods.- Test groups:25- Control group: No data- Site:Forarms- Frequency of applications: for five alternateday, 48 h periods- Duration:5 days- Concentrations:8% in petrolatumB. CHALLENGE EXPOSURE- No. of exposures:- Day(s) of challenge: 10 days after challenge exposure period- Exposure period:48-hrs- Test groups:25 - Control group: No data- Site: applied to different site.- Concentrations: 8 % in petrolatum- Evaluation (hr after challenge): Scoring was done upon patch removal and 24 h thereafter
- Challenge controls:
- no data
- Positive control substance(s):
- not specified
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 8%
- No. with + reactions:
- 0
- Total no. in group:
- 25
- Clinical observations:
- Non sensitizing effects were observed after patch removal and 24 hours.
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 8%. No with. + reactions: 0.0. Total no. in groups: 25.0. Clinical observations: Non sensitizing effects were observed after patch removal and 24 hours..
- Interpretation of results:
- not sensitising
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- Non-sensitizing effects were known in maximisation test of chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) exposed to 25 human volunteers.
- Executive summary:
A Human maximization test was carried out in 25 adult male patients to assess the sensitization potential of 3- Phenylpropyl acetate (CAS No: 122-72-5).
In the induction phase of a maximization study,an 8% (5520 µg/ cm2) concentration of 3-phenylpropyl acetate was applied under occlusion for five alternate day, 48 h periods to the forearm of 25 adult male patients. Following a 10 day rest period, a challenge concentration of 8% 3-phenylpropyl acetate was applied under occlusion for 48 h to a different site. The induction application was preceded by a 24 h treatment with 5% sodium lauryl sulfate and the challenge dose was preceded by a 1 h application of 10% sodium lauryl sulfate. Scoring was done upon patch removal and 24 h thereafter.
Since non sensitizing effects were observed after 24 hours in all the patients, the test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) was considered to be non-sensitizing on human skin.
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
- Additional information:
Skin sensitization
Various studies were performed for test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) to observe its sensitization potential that have been summarized as below;
G. Klecak (1985), D. McGinty, C.S. Letizia, A.M. Api (2012) and The RIFM Expert Panel - D. Belsito, D. Bickers, M. Bruze, P. Calow, M.L. Dagli, A.D. Fryer,H. Greim, Y. Miyachi, J.H. Saurat, I.G. Sipes (2012) reported skin sensitization tests for target substance 3- Phenylpropyl acetate (CAS No: 122-72-5) in humans and guinea pigs via human maximization test and open epicutaneous test respectively as follows;
A Human maximization test was carried out in 25 adult male patients to assess the sensitization potential of 3- Phenylpropyl acetate (CAS No: 122-72-5). In the induction phase of a maximization study, an 8% (5520 µg/ cm2) concentration of 3-phenylpropyl acetate was applied under occlusion for five alternate day, 48 h periods to the forearm of 25 adult male patients. Following a 10 day rest period, a challenge concentration of 8% 3-phenylpropyl acetate was applied under occlusion for 48 h to a different site. The induction application was preceded by a 24 h treatment with 5% sodium lauryl sulfate and the challenge dose was preceded by a 1 h application of 10% sodium lauryl sulfate. Scoring was done upon patch removal and 24 h thereafter. Since non sensitizing effects were observed after 24 hours in all the patients, the test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) was considered to be non-sensitizing on human skin.
An open epicutaneous test was conducted on 6-8 guinea pigs in which 0.1 mL of 3- phenylpropyl acetate at concentrations of 100%, 30%, 10%, 3%, 1%, or 0.3% was applied daily for 3 weeks with the site uncovered. Following induction, the animals were challenged on days 21 and 35 with 0.025 mL of 8% 3-phenyl propyl acetate. The sites were scored 24, 48 and 72 h after exposure. None of the test animals elicit sensitization effects at challenge concentration, hence the test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) is not-sensitizing to the skin of guinea pigs.
According to Danish (Q) SAR Database 2016, the sensitization effects were observed for target 3- Phenylpropyl acetate (CAS No: 122-72-5) in guinea pig and human. Based on the QSAR prediction done using the Danish (Q)SAR Database, the skin sensitization was estimated to be non-sensitizer on guinea pig and human for 3- Phenylpropyl acetate (CAS No: 122-72-5) . Thus it can be concluded that the substance 3- Phenylpropyl acetate (CAS No: 122-72-5) has negative skin sensitization effects.
The available data for test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) suggests that the test chemical is unlikely to cause skin sensitization and thus can be classified as non-skin sensitizer.
Migrated from Short description of key information:
A Human maximization test was carried out in 25 adult male patients to assess the sensitization potential of 3- Phenylpropyl acetate (CAS No: 122-72-5). In the induction phase of a maximization study, an 8% (5520 µg/ cm2) concentration of 3-phenylpropyl acetate was applied under occlusion for five alternate day, 48 h periods to the forearm of 25 adult male patients. Following a 10 day rest period, a challenge concentration of 8% 3-phenylpropyl acetate was applied under occlusion for 48 h to a different site. The induction application was preceded by a 24 h treatment with 5% sodium lauryl sulfate and the challenge dose was preceded by a 1 h application of 10% sodium lauryl sulfate. Scoring was done upon patch removal and 24 h thereafter. Since non sensitizing effects were observed after 24 hours in all the patients, the test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) was considered to be non-sensitizing on human skin.
Justification for selection of skin sensitisation endpoint:
Non-sensitizing effects were known in maximisation test of chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) exposed to 25 human volunteers.
Respiratory sensitisation
Endpoint conclusion
- Endpoint conclusion:
- no study available
Justification for classification or non-classification
The skin sensitization potential of test chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) was observed in various studies. From the results obtained from these studies it is concluded that the chemical 3- Phenylpropyl acetate (CAS No: 122-72-5) was unable to cause skin sensitization and hence can be classified as non-skin sensitizer.
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