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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Sensitisation data (human)

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Administrative data

Endpoint:
sensitisation data (humans)
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: It is not clear whether the individuals used were sensitized to the test substance itself, and therefore whether the negative result in this test is reliable.

Data source

Reference
Reference Type:
publication
Title:
Allergens in Rubber Products.
Author:
Kantoh H, Ishihara M, Itoh M, Hosono K
Year:
1992
Bibliographic source:
Skin Res., 27, 501-509

Materials and methods

Type of sensitisation studied:
skin
Study type:
other: patch test
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-di-o-tolylguanidine
EC Number:
202-577-6
EC Name:
1,3-di-o-tolylguanidine
Cas Number:
97-39-2
Molecular formula:
C15H17N3
IUPAC Name:
1,3-di-o-tolylguanidine
Details on test material:
Other name: DOTG

Method

Type of population:
general
Subjects:
13 persons
Patch testing performed using individuals who exhibited contact dermatitis on contact with rubber.
Route of administration:
dermal
Details on study design:
vehicle: petrolatum

Results and discussion

Results of examinations:
0/13 subjects showed a reaction to the test substance.

Applicant's summary and conclusion

Conclusions:
DOTG is not a skin sensitizer according to this patch test study.