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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1986
Report date:
1986

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
Propylidynetrimethanol, ethoxylated, propoxylated, esters with acrylic acid (<6.5 mol EO and <6.5 mol PO)
EC Number:
701-361-3
Molecular formula:
C6 H14 O3 . 3 (C3 H6 O . C2 H4 O)x . x C3 H4 O2
IUPAC Name:
Propylidynetrimethanol, ethoxylated, propoxylated, esters with acrylic acid (<6.5 mol EO and <6.5 mol PO)
Specific details on test material used for the study:
- Lot/batch No.: Batch no. 7/85, 8.7.85

Test animals

Species:
rabbit
Strain:
Vienna White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Gaukler, Offenbach/Main
- Age at study initiation: not mentioned
- Weight at study initiation: male: 3.02 kg; females: 3.13 kg (mean of two animals)
- Housing: single housing
- Diet: Kliba 341, 4 mm, Klingentalmuehle AG, Switzerland (about 130 g per animal per day)
- Water: about 250 ml tap water per animal per day
- Acclimation period: at least 8 days before the beginning of the study

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:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
TEST MATERIAL
- Amount applied: 0.5 ml
- Concentration: undiluted


Duration of treatment / exposure:
4 hrs
Observation period:
72 hrs
Number of animals:
3 (one male, two females)
Details on study design:
TEST SITE
- Area of exposure: 2.5 cm x 2.5 cm
- Type of wrap: test patches with a porous dressing (four layers of absorbent gauze + porous bandage)

REMOVAL OF TEST SUBSTANCE
- Washing: with Lutrol and Lutrol/water (1:1)
- Time after start of exposure: 4 hrs

OBSERVATION TIME POINTS
30-60 minutes after removal of the test patches and 24 hrs, 48 hrs, 72 hrs after the beginning of application.

SCORING SYSTEM: according to OECD Guideline 404

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:
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:
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 #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 #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 #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritant / corrosive response data:
At the 4 hrs reading, erythema could be detected (score 1) on the skin of all three tested animals, but it was reversible within 24 hrs.
Other effects:
No other effects were detected.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met