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EC number: 943-623-1 | CAS number: -
- 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
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- The study was conducted between 17 March 2016 and 31 March 2016.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study is considered to be a reliability 1 as it has been conducted according to OECD Test Guideline 404 using the Acute Dermal Irritation/Corrosion Method and in compliance with GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Reaction mass of rel-(2R,3aR,6R,7aR)-2,6-dimethyl-3a-(propan-2-yl)octahydro-1-benzofuran and rel-(2R,3aR,6S,7aR)-2,6-dimethyl-3a-(propan-2-yl)octahydro-1-benzofuran and rel-(2R,3aS,6S,7aS)-2,6-dimethyl-3a-(propan-2-yl)octahydro-1-benzofuran
- EC Number:
- 943-623-1
- Molecular formula:
- C13 H24 O
- IUPAC Name:
- Reaction mass of rel-(2R,3aR,6R,7aR)-2,6-dimethyl-3a-(propan-2-yl)octahydro-1-benzofuran and rel-(2R,3aR,6S,7aR)-2,6-dimethyl-3a-(propan-2-yl)octahydro-1-benzofuran and rel-(2R,3aS,6S,7aS)-2,6-dimethyl-3a-(propan-2-yl)octahydro-1-benzofuran
- Test material form:
- other: liduid
- Details on test material:
- Identification: IFF 215 (Floriane)
Appearance /physical state: clear colorless liquid
Storage conditions: approximately 4 °C, in the dark
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- Animal Information
Two New Zealand White (Hsdlf:NZW) strain rabbits were supplied by Envigo RMS (UK) Limited, Leicestershire, UK. At the start of the study the animals weighed 2.86 or 3.07 kg and were 12 to 20 weeks old. After an acclimatization period of at least 5 days each animal was given a number unique within the study which was written with a black indelible marker pen on the inner surface of the ear and on the cage label.
Animal Care and Husbandry
The animals were individually housed in suspended cages. Free access to mains drinking water and food (2930C Teklad Global Rabbit diet supplied by Envigo RMS (UK) Limited, Oxon, UK) was allowed throughout the study. The diet and drinking water were considered not to contain any contaminant of a level that might have affected the purpose or integrity of the study.
The temperature and relative humidity were set to achieve limits of 17 to 23 °C and 30 to 70% respectively. The rate of air exchange was at least fifteen changes per hour and the lighting was controlled by a time switch to give 12 hours continuous light and 12 hours darkness.
The animals were provided with environmental enrichment items which were considered not to contain any contaminant of a level that might have affected the purpose or integrity of the study.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- no
- Amount / concentration applied:
- On the day of the test a suitable test site was selected on the back of each rabbit. A quantity of 0.5 mL of the test item was applied directly to the skin under a 2.5 cm x 2.5 cm cotton gauze patch. The patch was secured in position with a strip of surgical adhesive tape. To prevent the animals interfering with the patches, the trunk of each rabbit was wrapped in an elasticated corset and the animals were returned to their cages for the duration of the exposure period.
- Duration of treatment / exposure:
- Four hours.
- Observation period:
- 1, 24, 48 and 72 hours.
- Number of animals:
- Two male rabbits.
- Details on study design:
- Study Design
On the day before the test each of a group of two rabbits was clipped free of fur from the dorsal/flank area using veterinary clippers. Only animals with a healthy intact epidermis by gross observation were selected for the study.
On the day of the test a suitable test site was selected on the back of each rabbit. A quantity of 0.5 mL of the test item was applied directly to the skin under a 2.5 cm x 2.5 cm cotton gauze patch. The patch was secured in position with a strip of surgical adhesive tape. To prevent the animals interfering with the patches, the trunk of each rabbit was wrapped in an elasticated corset and the animals were returned to their cages for the duration of the exposure period.
Four hours after application the corset and patches were removed from each animal and any residual test item removed by gentle swabbing with cotton wool soaked in 74% Industrial Methylated Spirit.
Immediately following removal of the patches and approximately 1, 24, 48 and 72 hours later, the test sites were examined for evidence of primary irritation and scored according to the following scale:
EVALUATION OF SKIN REACTIONS
Erythema and Eschar Formation Value
No erythema 0
Very slight erythema (barely perceptible) 1
Well-defined erythema 2
Moderate to severe erythema 3
Severe erythema (beef redness) to eschar formation preventing grading of erythema 4
Edema Formation
No edema 0
Very slight edema (barely perceptible) 1
Slight edema (edges of area well-defined by definite raising) 2
Moderate edema (raised approximately 1 millimeter) 3
Severe edema (raised more than 1 millimeter and extending beyond the area of exposure) 4
Any other skin reactions and clinical signs of toxicity, if present, were also recorded.
Additional observations were made on Days 7 and 14 to assess the reversibility of skin reactions.
Individual body weights were recorded on Day 0 (the day of dosing) and at the end of the observation period.
Data Evaluation
Calculation of Primary Irritation Index and Grading of Irritancy Potential Using the Draize Scheme
The scores for erythema and edema at the 24 and 72 Hour readings were totaled for the two test rabbits (8 values) and this total was divided by 4 to give the primary irritation index of the test item. The test item was classified according to the following scheme devised by Draize, J.H. (1959):
Primary Irritation Index Classification of Irritancy
0 Non-irritant
> 0 to 2 Mild irritant
> 2 to 5 Moderate irritant
> 5 to 8 Severe irritant
If irreversible alteration of the dermal tissue is noted in any rabbit, as judged by the Study Director, which include ulceration and clear necrosis or signs of scar tissue, the test item is classified as corrosive to rabbit skin. Classification according to Draize may, therefore, not be applicable.
Major Computerized Systems
The following computerized system was used in the study:
Delta Controls – ORCAview (Version 3.4.0)
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Remarks:
- 75393 Male
- Time point:
- 24/48/72 h
- Score:
- 2
- Max. score:
- 4
- Reversibility:
- fully reversible within: 14 days
- Remarks on result:
- probability of moderate irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Remarks:
- 75383 Male
- Time point:
- 24/48/72 h
- Score:
- 2
- Max. score:
- 4
- Reversibility:
- fully reversible within: 14 days
- Remarks on result:
- probability of moderate irritation
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Remarks:
- 75393 Male
- Time point:
- 24/48/72 h
- Score:
- 2
- Max. score:
- 4
- Reversibility:
- fully reversible within: 14 days
- Remarks on result:
- probability of moderate irritation
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Remarks:
- 75383 Male
- Time point:
- 24/48/72 h
- Score:
- 2
- Max. score:
- 4
- Reversibility:
- fully reversible within: 14 days
- Remarks on result:
- probability of moderate irritation
Any other information on results incl. tables
Skin Reactions
The individual scores for erythema/eschar and edema are given in the following table:
Individual Skin Reactions
Skin Reaction |
Observation Time |
Individual Scores |
Total |
|
Rabbit Number and Sex |
||||
75393Male |
75383Male |
|||
Erythema/Eschar Formation |
Immediately |
1 |
1 |
(2 ) |
1 Hour |
1 |
1 |
( 2 ) |
|
24 Hours |
2 |
2 |
4 |
|
48 Hours |
2 |
2 |
( 4 ) |
|
72 Hours |
2 |
2 |
4 |
|
7 Days |
?eD+ |
0D |
( 0-4 ) |
|
14 Days |
0 |
0 |
( 0 ) |
|
Edema Formation |
Immediately |
0 |
0 |
( 0 ) |
1 Hour |
1 |
1 |
( 2 ) |
|
24 Hours |
2 |
2 |
4 |
|
48 Hours |
2 |
2 |
( 4 ) |
|
72 Hours |
2 |
2 |
4 |
|
7 Days |
?od |
0 |
( 0-4 ) |
|
14 Days |
0 |
0 |
( 0 ) |
|
Sum of 24 and 72‑Hour Readings (S) : 16 |
||||
Primary Irritation Index (S/4) : 16/4 = 4.0 |
||||
Classification : MODERATEIRRITANT |
( ) = Total values not used for calculation of primary irritation index
D+ = Severe desquamation
D = Moderate desquamation
?e = Presence of adverse dermal reactions (not including staining) precludes macroscopic observation of erythema
?od = Degree of thickening/scabbing is such that a macroscopic observation of edema is not possible
Very slight erythema was noted at both treated skin sites immediately after patch removal with very slight erythema and very slight edema noted 1 hour after patch removal. Well‑defined erythema and slight edema were noted at both treated skin sites at the 24, 48 and 72‑Hour observations.
Severe desquamation, preventing accurate evaluation of erythema and edema, was noted at one treated skin site with moderate desquamation noted at the other treated skin site at the 7‑Day observation.
Both treated skin sites appeared normal at the 14‑Day observation.
Body Weight
Individual body weights and body weight change are given in the following table:
Individual Body Weights and Body Weight Change
Rabbit Number |
Individual Body Weight (kg) |
Body Weight Change (kg) |
|
Day 0 |
Day 14 |
||
75393Male |
3.07 |
3.45 |
0.38 |
75383Male |
2.86 |
3.11 |
0.25 |
Both animals showed expected gain in body weight during the study.
Applicant's summary and conclusion
- Interpretation of results:
- Category 2 (irritant) based on GHS criteria
- Conclusions:
- The test item produced a primary irritation index of 4.0 and was classified as a moderate irritant to rabbit skin according to the Draize classification scheme. No corrosive effects were noted.
- Executive summary:
The skin irritation potential of the test substance, IFF 215 (Floriane) was assessed according to OECD Test Guideline 404 using the acute dermal irritation/corrosion Method. The test material was classified as a moderate irritant to rabbit skin according to the Draize classification scheme and classified as a Category 2 (irritant) based on GHS criteria. No corrosive effects were noted.
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