Registration Dossier
Registration Dossier
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EC number: 700-798-7 | CAS number: 877399-00-3
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 24 August to 02 September 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study run to a method comparable with current guidelines and to GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- 5-bromo-3-[(1R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]pyridin-2-amine
- EC Number:
- 700-798-7
- Cas Number:
- 877399-00-3
- Molecular formula:
- C13H10BrCl2FN2O
- IUPAC Name:
- 5-bromo-3-[(1R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]pyridin-2-amine
- Details on test material:
- - Purity: 99.7% area (HPLC)
- Batch No.: E010010557
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River France, L'Arbresle Cedex, France
- Age at study initiation: between 10-20 weeks old
- Weight at study initiation: 2-4 kg
- Housing: housed in labeled cages with perforated floors and shelters
- Diet (e.g. ad libitum): Pelleted diet approximately 100 grams per day, Hay was provided at least three times a week.
- Water (e.g. ad libitum): Free access to tap water
- Acclimation period: at least 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 21.0 ± 3.0ºC (actual range: 19.0-19.9ºC)
- Humidity (%): 40-70% (actual range: 49 - 87%)
- Air changes (per hr): approximately 15 air changes per hour
- Photoperiod (hrs dark / hrs light): 12 hours artificial fluorescent light and 12 hours darkness per day
IN-LIFE DATES: From: 2010-08-24 To: 2010-09-02
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Controls:
- not required
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 grams
- Concentration (if solution):
VEHICLE
- Amount(s) applied (volume or weight with unit): 0.2 mL
- Concentration (if solution):
- Lot/batch no. (if required):
- Purity: - Duration of treatment / exposure:
- 4 hours
- Observation period:
- 72 hours
- Number of animals:
- 3 males
- Details on study design:
- TEST SITE
- Area of exposure: approximately 150 square centimeters (10x15 cm)
- % coverage:
- Type of wrap if used: Micropore tape
REMOVAL OF TEST SUBSTANCE
- Washing (if done): tap water
- Time after start of exposure: 4 hours
SCORING SYSTEM: numerical scoring system
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- other: Mean of 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- other: The exposure period is 4 hours.
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- other: Mean of 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 0
- Remarks on result:
- other: The exposure period is 4 hours.
- Irritant / corrosive response data:
- No skin irritation was caused by 4 hours exposure to the test substance.
- Other effects:
- No staining of the treated skin by the test substance was observed and no test substance remnants were seen.
Any other information on results incl. tables
No symptoms of systemic toxicity were observed in the animals during the test period and no mortality occurred.
Animal |
476 |
479 |
480 |
|||
Time after exposure |
Erythema (0-4) |
Oedema (0-4) |
Erythema (0-4) |
Oedema (0-4) |
Erythema (0-4) |
Oedema (0-4) |
1 hour |
0 |
0 |
0 |
0 |
0 |
0 |
24 hours |
0 |
0 |
0 |
0 |
0 |
0 |
48 hours |
0 |
0 |
0 |
0 |
0 |
0 |
72 hours |
0 |
0 |
0 |
0 |
0 |
0 |
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- No skin irritation was caused by 4 hours exposure to the test substance.
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