Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1986-03-04 to 1986-03-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Well performed GLP-study according to previous OECD-TG

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Version / remarks:
1981
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes
Remarks:
GLP compliance statement attached to full study report.

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chloro-2,5-dimethoxyaniline
EC Number:
228-782-0
EC Name:
4-chloro-2,5-dimethoxyaniline
Cas Number:
6358-64-1
Molecular formula:
C8H10ClNO2
IUPAC Name:
4-chloro-2,5-dimethoxyaniline

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
- Source: Hoechst AG, Kastengrund, conventional breed
- Identification: numbered earmarks
- Weight: 2.1 - 2.5 kg
- Age: approx. 3-5 months
- Housing: in air conditioned rooms, single cages
- Temperature: 20 +/- 3 °C
- Rel. humidity: 50 +/- 20 %
- Lighting: 12 hrs daily
- Feed: Altromin 2123 rabbit diet, ad libitum, as well as approx 15 g hay daily
- Water: deionised, chlorinated water from automatic dispenser, ad libitum

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
no
Amount / concentration applied:
- 500 mg of test substance moistened with 0.25 mL polyethyleneglycole 400
Duration of treatment / exposure:
4 hours
Observation period:
30-60mins and 24, 48, 72 hours after removal of patch
Number of animals:
3
Details on study design:
- Area of coverage: 2.5x2.5 cm^2
- After 4 hours removal of patch and washing with luke warm water
- Type of patch: cellulose

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: mean
Score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: mean
Score:
0

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Based on the results of the present study, 4-chloro-2,5-dimethoxyaniline is not classified and labelleded a skin irritant according to 83/467/EEC.
Executive summary:

In the course of the study no signs of irritation were observed. Based on the results of the present study, 4-chloro-2,5-dimethoxyaniline is not classified and labelleded a skin irritant according to 83/467/EEC.