Registration Dossier
Registration Dossier
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 233-135-0 | CAS number: 10043-01-3
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22 to 25 February 1990
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- GLP guideline study well conducted.
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable.
- GLP compliance:
- yes
Test material
- Reference substance name:
- Reference substance 002
- Cas Number:
- 16828-12-9
- Molecular formula:
- Al2 (SO4)3, 14 H2O
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Name of test material (as cited in study report): ALUM - 17
- Physical state: white powder
- Storage condition of test material: room temperature
- Receiving date: 19 January 1990
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: David Percival Ltd.
- Age at study initiation: approximately twelve to sixteen weeks old.
- Weight at study initiation: 2.24 - 2.68 Kg.
- Housing: individually
- Diet (e.g. ad libitum): Rabbit Diet, Preston Farmers Limited.
- Water (e.g. ad libitum): drinking water
- Acclimation period: five days.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 - 21°C
- Humidity (%): 68 - 74%
- Air changes (per hr): 15 changes per hour.
- Photoperiod (hrs dark / hrs light): 12 hrs dark / 12 hrs light.
IN-LIFE DATES: no data.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- water
- Controls:
- yes, concurrent no treatment
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 g
VEHICLE
- Amount(s) applied (volume or weight with unit): 0.5 mL - Duration of treatment / exposure:
- 4 hours
- Observation period:
- 1, 24, 48 and 72 hours after the patches removal.
- Number of animals:
- Three (1 male and 2 females)
- Details on study design:
- TEST SITE
- Area of exposure: 2.5 cm x 2.5 cm gauze patch and placed in position on the shorn skin.
- % coverage: the patch was secured in position with a strip of surgical adhesive tape (BLENDER: approximate size 2.5 cm x 4.0 cm)
- Type of wrap if used: elasticated corset (TUBIGRIP)
REMOVAL OF TEST SUBSTANCE
- Washing (if done): residual test material removed by gentle swabbing with cotton wool soaked in distilled water.
- Time after start of exposure: 4 hours
SCORING SYSTEM: Draize method.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Remarks:
- Mean individual score
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: Not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Remarks:
- Mean Individual score
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: Not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Remarks:
- Mean Individual score
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: Not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Remarks:
- Mean individual score
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: Not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Remarks:
- Mean Individual score
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: Not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #3
- Remarks:
- Mean Individual score
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: Not applicable
- Remarks on result:
- no indication of irritation
- Irritant / corrosive response data:
- None
- Other effects:
- no data
Any other information on results incl. tables
Table 7.3.1/1: Individual Skin Reactions
Skin Reaction |
Observation Time (following patch removal) |
Individual Scores – Rabbit Number and Sex |
||
145 Male |
146 Female |
148 Female |
||
Erythema/Eschar Formation |
Immediately |
0 |
0 |
0 |
1 h |
0 |
0 |
0 |
|
24 h |
0 |
0 |
0 |
|
48 h |
0 |
0 |
0 |
|
72 h |
0 |
0 |
0 |
|
Mean (24, 48 and 72 h) |
0.0 |
0.0 |
0.0 |
|
Oedema Formation |
Immediately |
0 |
0 |
0 |
1 h |
0 |
0 |
0 |
|
24 h |
0 |
0 |
0 |
|
48 h |
0 |
0 |
0 |
|
72 h |
0 |
0 |
0 |
|
Mean (24, 48 and 72 h) |
0.0 |
0.0 |
0.0 |
|
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Under the test conditions of this study, the test material ALUM-17 was found to be non-irritant to the rabbit skin. Therefore, no classification is required according to Regulation (EC) N° 1272-2008 (CLP) and the GHS.
- Executive summary:
In a primary dermal irritation study performed according to OECD Guideline 404 and in compliance with GLP, three New Zealand White rabbits were dermally exposed to 0.5 g of ALUM-17 as a powder (analytical purity of min. ) moistened with distilled water (0.5 mL) under a semi-occlusive dressing for 4 h. After removal of the residual test item, skin irritation was scored by the method of Draize (1959) at 24, 48 and 72 h after exposure.
No skin responses were noted during the study. All treated skin sites appeared normal at the 24 h observation. Mean individual scores at 24, 48 and 72 h after exposure for the 3 animals were 0, 0, 0 for erythema and 0, 0, 0 for oedema score, respectively. In this study, ALUM-17 is therefore not a skin irritant on rabbits.
Under the test conditions, Aluminium sulphate is not classified as irritating to skin according to the Regulation (EC) N° 1272-2008 (CLP) and the GHS.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
