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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Direct observations: clinical cases, poisoning incidents and other

Administrative data

Endpoint:
direct observations: clinical cases, poisoning incidents and other
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1987
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Reliable study with limited information about test item.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report date:
1987

Materials and methods

Study type:
study with volunteers
Endpoint addressed:
skin irritation / corrosion
Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: Duhring-Kammer Test
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Tocopherols
EC Number:
604-195-9
Cas Number:
1406-66-2
Molecular formula:
not applicable
IUPAC Name:
Tocopherols
Test material form:
liquid: viscous

Method

Type of population:
general
Subjects:
- Number of subjects exposed: 5
- Known diseases: healthy
Ethical approval:
not specified
Route of exposure:
dermal
Reason of exposure:
intentional
Exposure assessment:
not specified
Details on exposure:
70 µl of the test item was applied on the upper arm (Large Finn chamber) and left theier for 24 h under occlusive conditions.Erythema and edema scores were noted after 1, 24, 48, 72 and 144 h after removal of test item.
Examinations:
Erythema, edema

Results and discussion

Clinical signs:
Only one volunteer showed erythema and edema. The reactions were located in the area of the patch but not where the test item was applied.

Applicant's summary and conclusion

Conclusions:
The test item is well-tolerated by human skin. No signs of irritation were observed.
Executive summary:

The toxic-irritative effect of the test item was investigated in the modified During-chamber test in five volunteers. No reactions were observed (erythema-edema). The test item is considered to be tolerated well on human skin.