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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP-Guideline study, only basic data available from SNIF (ECHA)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Report date:
1990

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Version / remarks:
Previous version, 1981. Conforms with method B4 of Annex V to Dir. 67/548/EEC. (OJ vol. 27, 19-9-84)
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
610-025-4
EC Number:
610-025-4
IUPAC Name:
610-025-4
Constituent 2
Chemical structure
Reference substance name:
Bis(3,5-bis(1,1-dimethylethyl)-2-hydroxybenzoato-O1,O2)zinc
EC Number:
403-360-0
EC Name:
Bis(3,5-bis(1,1-dimethylethyl)-2-hydroxybenzoato-O1,O2)zinc
Cas Number:
42405-40-3
Molecular formula:
C30H42O6Zn
IUPAC Name:
bis(3,5-bis(1,1-dimethylethyl)-2-hydroxybenzoato-O1,O2)zinc

Test animals

Species:
other: Albino rabbit New Zealand white

Test system

Type of coverage:
occlusive
Vehicle:
other: Distilled water
Amount / concentration applied:
500 mg
Duration of treatment / exposure:
4 h
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:
ca. 3
Irritation parameter:
erythema score
Basis:
animal #2
Remarks:
Mean score 2
Time point:
other: Overall at 24, 48 and 72 h
Score:
ca. 0
Irritation parameter:
erythema score
Basis:
animal #3
Remarks:
Mean score 3
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #1
Remarks:
Mean score 1
Time point:
other: Overall at 24, 48 and 72 h
Score:
ca. 3
Irritation parameter:
edema score
Basis:
animal #2
Remarks:
Mean score 2
Time point:
other: Overall at 24, 48 and 72 h
Score:
ca. 0
Irritation parameter:
edema score
Basis:
animal #3
Remarks:
Mean score 3
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Other effects:
Intensity and duration of effects:

No oedema and erythema were observed during this period. No dermal irritation was observed during the remainder of the observation period.

Applicant's summary and conclusion

Interpretation of results:
other: not classified