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EC number: 608-369-5 | CAS number: 29514-94-1
- 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
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- Solubility in organic solvents / fat solubility
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- Endpoint summary
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- 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
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- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
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- Repeated dose toxicity
- Genetic toxicity
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- Additional toxicological data
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Endpoint summary
Administrative data
Description of key information
The potential of SULFONYL VINYL ETHER PERFLUORURATE to act as skin sensitizer was evaluated in an vivo test according to the Buehler method and under GLP.
SULFONYL VINYL ETHER PERFLUORURATE did not show sensitizing capacity.
No data for respiratory sensitization are available.
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
- Study period:
- 07-JAN-2000 to 02-MAY-2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: This GLP-compliant study was conducted in accordance with OECD guideline 406 and EU method B.6.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.6 (Skin Sensitisation)
- Deviations:
- no
- GLP compliance:
- yes
- Type of study:
- Buehler test
- Justification for non-LLNA method:
- The Buehler test was conducted for hazard and risk assessmet purposes before REACH entered into force.
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): Perfluorosulfonyl-vinyl-ether
- Impurities, purity test date: no data available
- Substance type: monoconstituent
- Physical state: colourless liquid
- Analytical purity: 100%
- Density: 1.64
- Lot/batch No.: 6-99
- Expiration date of the lot/batch: MAY-2001
- Storage condition of test material: at room temperature - Species:
- guinea pig
- Strain:
- Dunkin-Hartley
- Sex:
- male
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Source: Charles River Italia S.p.A. / Via Indipendenza, 11 - 23885 Calco (Lecco) / ITALY
- Age at study initiation: ca. 5 weeks at the start of the experiment
- Weight at study initiation: 368 to 421 g at the start of the experiment
- Housing: 2 or 3 animals/cage in an air-conditioned room, in wire cages (40.5x38.5x18h) with a stainless steel feeder
- Diet: ad libitum with a standard diet coded "8 GP 22" (Charles River Italia's feed licensee Mucedola S.r.l., Settimo Milanese) supplemented by the producer with vitamins and trace elements
- Water: ad libitum, filtered water from municipal water main system
- Acclimation period: 5 days
ENVIRONMENTAL CONDITIONS
- Temperature: 22 ± 2°C
- Humidity: 55 ± 10%
- Air changes: ca. 15-20 per hr filtered on HEPA 99.97%
- Photoperiod: 12 hrs dark / 12 hrs light (7 a.m. - 7 p.m.)
IN-LIFE DATES: From 07-JAN-2000 (preliminary test) or 28-JAN-2000 (main study) to 02-MAR-2000 - Route:
- epicutaneous, occlusive
- Vehicle:
- other: acetone
- Concentration / amount:
- 75% in acetone
- Route:
- epicutaneous, occlusive
- Vehicle:
- other: acetone
- Concentration / amount:
- 75% in acetone
- No. of animals per dose:
- 20 animals for the treated group
10 animals for the control group - Details on study design:
- RANGE FINDING TESTS:
The preliminary test was performed on a total of 2 animals in order to select the highest concentration that causes mild irritation to be used in the induction phase and the highest concentration that proves not to be irritating for the challenge exposure.
Two animals were treated by topical application (in the dorsal region) with 3 occlusive patches (2x3 cm). The patches were loaded with 0.3 mL of three test article concentrations in acetone (25, 50 and 75%).
Twenty four hours after the administration, the patches were removed and the animals observed for up to 48 h for local reactions. Results obtained in the preliminary test are reported in Table 1 below in "any other information on materials and methods incl. tables).
It was decided to assay the possible sensitising activity of the test article with the 75% test article concentration in the induction and in the challenge phases.
MAIN STUDY
A. INDUCTION EXPOSURE
- No. of exposures: 3 (on days 0, 7 and 14)
- Exposure period: 14 days
- Test groups: group 1 (left flank: test article)
- Control group: group 2 (left flank: vehicle)
- Site: one day prior to the beginning of the induction exposure (day -1), an area of ca. 6x6 cmq on the left flank of the animals of the two groups was clipped. Care was taken to avoid abrading the skin, which could alter the results of the study. On the first day of administration (day 0), a filter paper (3M Whatman 2x3 cm) was fully-loaded with the test article or vehicle and applied to the skin areas clipped the day before. The patch was covered by an overlapping impermeable, hypoallergenic, plastic adhesive tape (3M Blenderm). This in turn was firmly secured by adhesive bandage (3M Micropore), wound around the torso of the animal.
- Frequency of applications: once a week
- Duration: 6 hrs per patch
- Concentrations: 75% (0.3 mL/patch for each exposure)
B. CHALLENGE EXPOSURE
- No. of exposures: 1
- Duration of exposure: 6 hours
- Day(s) of challenge: on day 28
- Test groups: group 1 (right posterior flank: test article; right anterior flank: vehicle)
- Control group: group 2 (the animals were challenged in the same way as group 1)
- Site: an area of ca. 6x6 cm on the right flank of the animals of the two groups was clipped. An occlusive patch (2x3 cm) loaded with the test article was applied to the posterior of the right flank of all animals, while the vehicle was similarly applied to the anterior of the flank. The patches were kept in contact for 6 hrs.
- Concentrations: 75% (0.3 mL/patch for each exposure)
- Evaluation: on day 29, 30 hrs after the application of the challenge patch; (approximately 21 hours after removing the patches the challenge areas were clipped and approximately 3 hours later the skin was observed and any reaction recorded (day 29). Twenty-four hours after the above observation a second observation was made and once again recorded (day 30).
OTHER:
- Evaluation of skin reactions:
0: absent
1: discrete or patchy erythema
2: moderate and confluent erythema
3: intense erythema and swelling
The results were expressed in terms of incidence and severity of response:
- incidence: the number of animals showing responses of 1 or greater at either 24 or 48 hours divided by the number of animals tested.
- severity: the sum of the test grades divided by the number of animals tested. - Positive control substance(s):
- not required
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 75% test item in acetone
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Clinical observations:
- no positive skind reaction. No moratlity occurred. No signs of general toxicity observed in any animal. BW gain was normal.
- Remarks on result:
- no indication of skin sensitisation
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 75% test item in acetone
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Clinical observations:
- no positive skind reaction. No moratlity occurred. No signs of general toxicity observed in any animal. BW gain was normal
- Remarks on result:
- no indication of skin sensitisation
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- vehicle alone
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Clinical observations:
- no positive skind reaction. No moratlity occurred. No signs of general toxicity observed in any animal. BW gain was normal
- Remarks on result:
- no indication of skin sensitisation
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- vehicle alone
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Clinical observations:
- no positive skind reaction. No moratlity occurred. No signs of general toxicity observed in any animal. BW gain was normal
- Remarks on result:
- no indication of skin sensitisation
- Reading:
- 1st reading
- Hours after challenge:
- 0
- Group:
- positive control
- Dose level:
- 2-mercaptobenzothiazole 50% solution in acetone and PEG 400 in the ratio 70:30
- No. with + reactions:
- 3
- Total no. in group:
- 10
- Remarks on result:
- positive indication of skin sensitisation
- Reading:
- 2nd reading
- Hours after challenge:
- 24
- Group:
- positive control
- Dose level:
- 2-mercaptobenzothiazole 50% solution in acetone and PEG 400 in the ratio 70:30
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- no indication of skin sensitisation
- Reading:
- 1st reading
- Hours after challenge:
- 0
- Group:
- positive control
- Dose level:
- vehicle alone [cottonseed oil and acetone : PEG 400 (70:30) ]
- No. with + reactions:
- 2
- Total no. in group:
- 10
- Remarks on result:
- positive indication of skin sensitisation
- Reading:
- 2nd reading
- Hours after challenge:
- 24
- Group:
- positive control
- Dose level:
- vehicle alone [cottonseed oil and acetone : PEG 400 (70:30) ]
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- no indication of skin sensitisation
- Interpretation of results:
- not sensitising
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- Under the experimental conditions applied, the test article did not show a skin sensitizing capacity.
- Executive summary:
The potential of the test material to act as a skin sensitizer was investigated in accordance with the OECD guideline 406 and EU Method B.6 (Buehler test) and in compliance with good laboratory practices.
The study assessed the skin sensitisation potential of the test material in male Dunkin-Hartley guinea-pigs following topical application in the dorsal region. The induction phase consisted of guinea-pigs (n = 20) treated three times (once per week, 6 hrs per patch) with 0.3 mL/patch of the test material diluted in acetone at the concentration of 75%. The challenge phase consisted of a single application of the test article at the concentration of 75% (6 hrs per patch, 15 days after the last inductive exposure). A further group of 10 animals was treated with the vehicle alone during the induction phase and in the same way as the test group animals at the challenge.
No animals treated with the test article showed positive reaction at the challenge.
On the basis of this result, under the experimental conditions applied, the test article did not show a skin sensitizing capacity.
Reference
No mortalities occurred and no signs of general toxicity were observed in any animal. The body weight gain of the animals throughout the test was normal.
Twenty-four hours after each treatment of the induction phase no signs of skin irritation were observed in all test article-treated animals. No reaction was seen after treatment with the vehicle alone.
Table 2 shows the results obtained at the challenge exposure with a 75% concentration of the test article applied with an occlusive patch (vehicle acetone). No animals showed positive reactions at the challenge.
Table 2: Challenge in treated animals
|
Challenge |
|||
Day 29 |
Day 30 |
|||
Group 1 |
Test article |
Vehicle |
Test article |
Vehicle |
Guinea pig No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
No. of positive animals at the challenge: 0
No skin reactivity was observed in the negative control group (see Table 3).
Table 3: Challenge in control animals
|
Challenge |
|||
Day 29 |
Day 30 |
|||
Group 2 |
Test article |
Vehicle |
Test article |
Vehicle |
Guinea pig No. 21 22 23 24 25 26 27 28 29 30 |
0 0 0 0 0 0 0 0 0 0 |
0 0 0 0 0 0 0 0 0 0 |
0 0 0 0 0 0 0 0 0 0 |
0 0 0 0 0 0 0 0 0 0 |
No. of positive animals at the challenge: 0
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
- Additional information:
The potential of the test material to act as a skin sensitizer was investigated in accordance with the OECD guideline 406 and EU Method B.6 (Buehler test) and in compliance with GLP (Vigna E., 2000).
The study assessed the skin sensitisation potential of the test material in male Dunkin-Hartley guinea-pigs following topical application in the dorsal region. The induction phase consisted of guinea-pigs (n = 20) treated three times (once per week, 6 hrs per patch) with 0.3 mL/patch of the test material diluted in acetone at the concentration of 75%. The challenge phase consisted of a single application of the test article at the concentration of 75% (6 hrs per patch, 15 days after the last inductive exposure). A further group of 10 animals was treated with the vehicle alone during the induction phase and in the same way as the test group animals at the challenge.
No animals treated with the test article showed positive reaction at the challenge.
On the basis of this result, under the experimental conditions applied, the test article did not show a skin sensitizing capacity, therefore warranting no classification for skin sensitisation according to the criteria of Regulation (EC) No. 1272/2008.
Respiratory sensitisation
Endpoint conclusion
- Endpoint conclusion:
- no study available
- Additional information:
There is no data available for respiratory sensitisation.
Justification for classification or non-classification
The available data on the test substance showed that skin sensitisation did not occur in guinea-pigs. Thus, the test item is not classified as a skin sensitizer according to classification criteria of Regulation (EC) No. 1272/2008.
No data are available for respiratory sensitisation; therefore no conclusion can be drawn on the classification of the test substance for this endpoint.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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