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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Study period:
1989
Reliability:
2 (reliable with restrictions)

Data source

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

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
PEG-4 Diheptanoate
Molecular formula:
UVCB
IUPAC Name:
PEG-4 Diheptanoate
Test material form:
liquid
Specific details on test material used for the study:
Batch P-574B9

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Fab Labs, New City, New York
- Housing: Stainless stell wire bottomed cage
- Diet (e.g. ad libitum): Purina Rabbit Pellets ad libitum
- Water (e.g. ad libitum): ad linitum

ENVIRONMENTAL CONDITIONS
- Photoperiod (hrs dark / hrs light): 12 hour light/dark

Test system

Type of coverage:
occlusive
Preparation of test site:
abraded
Vehicle:
unchanged (no vehicle)
Controls:
not specified
Amount / concentration applied:
TEST MATERIAL
- Concentration (if solution): 0.5 %
Duration of treatment / exposure:
24 hours
Observation period:
24 and 72 hours
Number of animals:
1
Details on study design:
TEST SITE
- Area of exposure: 2.5 cm
- Type of wrap if used: the entire trunk of the animal was wrapped with a rubberized elastic cloth to retard evaporation and as an aid in maintening test patch position.

OBSERVATION TIME POINTS
(indicate if minutes, hours or days) 24 and 72 hours

SCORING SYSTEM:
- Method of calculation: FHSLA 16 CFR 1500.41

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:
0
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
0

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
PEG-4 Diheptanoate is considered to be a non primary skin irritant according to the reference.