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Toxicological information

Skin irritation / corrosion

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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004
Report date:
2004

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Glycerol, ethoxylated, esters with acrylic acid
EC Number:
500-322-6
EC Name:
Glycerol, ethoxylated, esters with acrylic acid
Cas Number:
144086-03-3
Molecular formula:
UVCB substance
IUPAC Name:
Glycerol, ethoxylated, esters with acrylic acid
Details on test material:
- Name of test material (as cited in study report): Glycerin3EOTA
- Physical state: Liquid / beige, turbid
- Analytical purity: >99%
- Lot/batch No.: GK0561/160
- Stability under test conditions: The stability under storage conditions over the study period was guaranteed by the sponsor, and the sponsor holds this responsibility.
- Storage condition of test material: Room temperature
- Other: pH ca. 5

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Centre Lago S.A., France
- Age at study initiation: 8 - 9 months
- Weight at study initiation: 3.72 kg - 3.93 kg
- Housing: Single housing in stainless steel wire mesh cages with grating, floor area: 3000 cm2
- Diet: Kliba-Labordieat (Kaninchen & Meerschweinchenhaltung "GLP"), Provimi Kuiba SA, Switzerland (about 130 g/animal per day)
- Water (e.g. ad libitum): Tap water
- Acclimation period: at least 5 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20-24
- Humidity (%): 30-70
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Type of coverage:
semiocclusive
Preparation of test site:
other: clipping
Vehicle:
unchanged (no vehicle)
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 mL
Duration of treatment / exposure:
4 hour(s)
Observation period:
up to 72 h after patch removal
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: dorsolateral part of the trunk


REMOVAL OF TEST SUBSTANCE
- Washing (if done): The test substance was removed at the end of the exposure period with Lutrole and Lutrole/ water (1 :1).


SCORING SYSTEM: Draize scores

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
other: 24 - 48 - 72 h
Score:
0.33
Max. score:
4
Reversibility:
fully reversible within: 48 h
Remarks on result:
other: Score 2 was observed both, directly after patch removal and one hour thereafter
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
other: 24 - 48 - 72 h
Score:
0.33
Max. score:
4
Reversibility:
fully reversible within: 48 h
Remarks on result:
other: Score 2 was observed both, directly after patch removal and one hour thereafter
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
other: 24 - 48 - 72 h
Score:
0.33
Max. score:
4
Reversibility:
fully reversible within: 48 h
Remarks on result:
other: Score 2 was observed directly after patch removal and Score 1 one hour thereafter
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24 - 48 - 72 h
Score:
0
Max. score:
4
Reversibility:
other: no effect

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: OECD GHS