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Diss Factsheets

Toxicological information

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
7 - 10 October 1991
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EPA OPP 81-5 (Acute Dermal Irritation)
Qualifier:
according to guideline
Guideline:
other: Japanese Agricultural Chemicals Laws and regulations Testing Guidelines for Toxicology Studies published by the Society of Agricultural Chemical Industry, under the Ministry of Agriculture, Forestry and Fisheries
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrahydrofurfuryl alcohol
EC Number:
202-625-6
EC Name:
Tetrahydrofurfuryl alcohol
Cas Number:
97-99-4
Molecular formula:
C5H10O2
IUPAC Name:
tetrahydrofuran-2-ylmethanol
Details on test material:
- Name of test material (as cited in study report): Cryoban A

- Physical state: Clear liquid

- Storage condition of test material: Sealed container at room temperature

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Hazleton research Products, Inc. Pennsylvania
- Age at study initiation: Young adult
- Weight at study initiation: 2638 - 2838 grams
- Housing: Individual suspended mesh - bottom cages
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: minimum 6 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 - 21
- Humidity (%): 52-62
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
no
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 ml
Duration of treatment / exposure:
4 hours
Observation period:
72 hours
Number of animals:
6F
Details on study design:
TEST SITE
- Area of exposure: the back of rabbits
- Type of wrap if used: gauze patches that were overwrapped with a gauze binder and secured with Dermiform tape

REMOVAL OF TEST SUBSTANCE
- Washing (if done): The sites were wiped with disposable paper towels moistened with deionized water.
- Time after start of exposure:

SCORING SYSTEM: Draize

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
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
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
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
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
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
Remarks on result:
no indication of irritation
Irritation parameter:
erythema score
Basis:
animal #4
Time point:
24/48/72 h
Score:
0
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
animal #4
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
erythema score
Basis:
animal #5
Time point:
24/48/72 h
Score:
0.33
Max. score:
4
Reversibility:
fully reversible within: 48 hours
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
animal #5
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
erythema score
Basis:
animal #6
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
animal #6
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritant / corrosive response data:
The test material induced very slight erythema in three rabbits. There was no oedema. All erythema completely subsided by day 3 or earlier. There were no other dermal findings.
Other effects:
None of the rabbits died. There were no significant body weight changes during the study period.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test material was found not irritating to the skin of rabbits in a reliable study conducted according to current guideline and in compliance with GLP.