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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
weight of evidence
Study period:
1959
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Limited documentation
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1959
Report date:
1959

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
A cotton swab impregnated with the test substance was applied into the interior of a rabbit ear by means of adhesive bandage for a period of 4 and 8 hours
GLP compliance:
no
Remarks:
GLP was not mandatory at the time of the study

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2,4,6,6-pentamethylheptane-4-thiol
EC Number:
296-714-7
EC Name:
2,2,4,6,6-pentamethylheptane-4-thiol
Cas Number:
93002-38-1
Molecular formula:
C12H26S
IUPAC Name:
2,2,4,6,6-pentamethylheptane-4-thiol
Details on test material:
- Name of test material (as cited in study report): TDM (tertiar dodecylmercaptan)
- Analytical purity: not reported

Test animals

Species:
rabbit
Strain:
not specified

Test system

Type of coverage:
semiocclusive
Vehicle:
unchanged (no vehicle)
Controls:
not specified
Amount / concentration applied:
Not reported
Duration of treatment / exposure:
4 and 8 hours
Observation period:
not reported
Number of animals:
not reported

Results and discussion

In vivo

Irritant / corrosive response data:
At the end of the 4-hour exposure a temporary slight reddening of the skin was observed at the exposure site. Later, a slight scabbing was noted at the same site. After 8-hour exposure a strong reddening and swelling of the skin was observed.

Any other information on results incl. tables

At the end of the 4-hour exposure a temporary slight reddening of the skin was observed at the exposure site. Later, a slight scabbing was noted at the same site. After 8-hour exposure a strong reddening and swelling of the skin was observed.

Applicant's summary and conclusion