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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Study period:
not declared
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: The study was provided us by ECHA under the 12 years rule. Available data contain scanty study details: the limited amount of information and the lack of the full study report do not allow a proper reliability assessment.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
EC 422-310-9 (identity was verified by ECHA while providing us with information in response to our inquiry)
IUPAC Name:
EC 422-310-9 (identity was verified by ECHA while providing us with information in response to our inquiry)

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
occlusive
Preparation of test site:
not specified
Vehicle:
unchanged (no vehicle)
Controls:
not specified
Amount / concentration applied:
500 mg
Duration of treatment / exposure:
24 h
Observation period:
up to 5 days
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.3
Irritation parameter:
erythema score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.7
Irritation parameter:
erythema score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.3
Irritation parameter:
erythema score
Max. score:
1
Remarks on result:
other: Max. duration: d; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
edema score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Max. score:
0
Remarks on result:
other: Max. duration: d; Max. value at end of observation period: 0 (related to all animals)
Irritant / corrosive response data:
Reversibility of any observed effect: changes fully reversible within 5 days.

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
According to Directive 67/548/EEC and to Regulation (EC) n. 1272/2008, study results indicate that the substance should not be classified for skin irritation.