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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
16 Dec - 19 Dec 1988
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
lack of experimental and test material details

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
yes
Remarks:
lack of experimental and test material details
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
Decanoic acid, mixed diesters with octanoic acid and propylene glycol
EC Number:
271-516-3
EC Name:
Decanoic acid, mixed diesters with octanoic acid and propylene glycol
Cas Number:
68583-51-7

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: David Percival Ltd., Moston, Sandbach, Chesire, UK
- Age at study initiation: 12-16 weeks
- Weight at study initiation: 2.19-2.49 kg
- Housing: individually housed in suspended metal cages
- Diet: Rabbit Diet (Preston Farmers Limited, New Leake, Boston, Lincolnshire, UK), ad libitum
- Water: tap water, ad libitum
- Acclimation period: at least 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 15-18
- Humidity (%): 55-65
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
other: not required, untreated sites of the same animal served as control
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 mL
Duration of treatment / exposure:
4 h
Observation period:
72 h
Reading time points: 1, 24, 48 and 72 h
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: 6.25 cm² on the dorsal flank area
- Type of wrap if used: The treated skin was covered with a gauze patch and held in place with a strip of surgical adhesive tape. Additionally, the trunk of the animal was wrapped in an elasticated corset.

REMOVAL OF TEST SUBSTANCE
- Washing (if done): Residual test material was removed by gently swabbing with cotton wool soaked in distilled water and diethyl ether.
- Time after start of exposure: 4 h

SCORING SYSTEM: Draize scoring system

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0.3
Max. score:
4
Reversibility:
fully reversible within: 48 h
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritation parameter:
edema score
Basis:
animal: #1, #2 and #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritant / corrosive response data:
24 h after removal of the test substance slight erythema in 1/3 animals was observed which was fully reversible within 48 h. The remaining animals revealed no erythema formation. No edema was observed during the study period in any animal.
Other effects:
No further local or systemic effects were reported.

Applicant's summary and conclusion

Interpretation of results:
other: CLP/EU GHS criteria not met, no classification required according to Regulation (EC) No. 1272/2008.