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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
2001
Report date:
2002

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-ethylhexyl cyanoacetate
EC Number:
236-425-5
EC Name:
2-ethylhexyl cyanoacetate
Cas Number:
13361-34-7
Molecular formula:
C11H19NO2
IUPAC Name:
2-ethylhexyl 2-cyanoacetate

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Age at study initiation: 9-11 weeks
- Weight at study initiation: approx. 2 kg
- Housing: individually
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: 10 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19°C +/- 2°C
- Humidity (%): 55% +/- 15%
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES: From: 04.03.2002 To: 08.03.2002

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
other: control site at the same animal
Amount / concentration applied:
0.5 ml
Duration of treatment / exposure:
4 hours
Observation period:
1, 24, 48 and 72 hours after the end of the exposure period
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: 6.25 cm2
- Type of wrap if used: gauze square, a strip of parafilm was placed and held in place with elastic adhesive bandage

REMOVAL OF TEST SUBSTANCE
- Washing: cotton wool soaked in water
- Time after start of exposure: 4 hours

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal: 1-3
Time point:
other: 24, 48 and 72 hours
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal: 1-3
Time point:
other: 24, 48 and 72 hours
Score:
0
Max. score:
4
Irritant / corrosive response data:
No irritation was apparent following a 4 hour period of exposure to the test item.
Other effects:
There was no indication of a systemic effect of treatment.

Any other information on results incl. tables

Changes in body weight during the course of the study were not remarkable.

Applicant's summary and conclusion

Interpretation of results:
study cannot be used for classification
Remarks:
Migrated information
Conclusions:
Under the conditions of this skin irritation study in the rabbit the test item is not irritant.