Registration Dossier
Registration Dossier
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EC number: 906-170-0 | CAS number: -
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- January 09 to March 02, 1987
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study according to OECD Guideline 404 under GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
- Report date:
- 1987
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 dimethyl adipate and dimethyl glutarate and dimethyl succinate
- EC Number:
- 906-170-0
- Molecular formula:
- CH3CO2(CH2)nCO2CH3 Where n = 2, 3 and 4
- IUPAC Name:
- Reaction mass of dimethyl adipate and dimethyl glutarate and dimethyl succinate
- Test material form:
- other: colorless liquid
- Details on test material:
- See information in the field "Confidential details on test material"
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: L'Abbaye de Bellefontaine, F-49122 Begrolles en Mauges, France
- Weight at study initiation: 2.5 ± 0.1 kg
- Housing: Individually in polystyrene cages
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: 6 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 ±3 °C
- Humidity (%): 50 ± 20
- Photoperiod (hrs dark / hrs light): 12/12
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- unchanged (no vehicle)
- Controls:
- not required
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit):0.5 ml - Duration of treatment / exposure:
- 4 hours
- Observation period:
- 1h, 24h, 48 h, and 72 h after exposure termination;
- Number of animals:
- 3 animals
- Details on study design:
- TEST SITE
- Area of exposure: right flank
- coverage: 6 cm²
- Type of wrap if used: gauze patch held in place with semi-occlusive dressing
SCORING SYSTEM:
Erythema score: 0-4
Edema score: 0-4
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Remarks on result:
- no indication of irritation
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: OECD GHS
- Conclusions:
- Under the conditions of this assay, the test article has no skin irritating potential.
- Executive summary:
DBE has been tested for skin irritation on 3 New Zealand White rabbits according to OECD guideline n° 404 and EU guideline n° B.4 (Draize Method) in compliance with Good Laboratory Practice. The rabbits received a dermal dose of 0.5 ml of DBE on a gauze on intact and abraded skin sites under an semiocclusive dressing for a period of 24 hours. Scores for erythema and oedema were measured 1, 24, 48 and 72 hours after patch removal and primary cutaneous index was calculated (maximum possible index =12)
No sign of dermal irritation (score = 0 for erythema and oedema) was observed for intact skin site of the 3 rabbits at any reading time. Primary Irritation Index was = 0.0. No other signs of intoxication were observed.
Based on these results DBE is not classified irritating to skin according to the criteria of the Directive 67/548/CEE and according to EU Regulation 1272/2008 (CLP).
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