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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
skin sensitisation: in vivo (non-LLNA)
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method B.6 (Skin Sensitisation)
Qualifier:
according to guideline
Guideline:
OECD Guideline 406 (Skin Sensitisation)
GLP compliance:
yes
Type of study:
guinea pig maximisation test

Test material

Constituent 1
Chemical structure
Reference substance name:
(3R)-N-[(1S)-phenylethyl]-2,3,4,9-tetrahydro-1H-carbazol-3-amine hydrochloride
EC Number:
812-024-6
Cas Number:
1638534-24-3
Molecular formula:
C20H23ClN2
IUPAC Name:
(3R)-N-[(1S)-phenylethyl]-2,3,4,9-tetrahydro-1H-carbazol-3-amine hydrochloride

In vivo test system

Test animals

Species:
guinea pig
Strain:
other: SPF-bred guinea pigs, strain Hsd Poc:DH
Sex:
male

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
intradermal and epicutaneous
Vehicle:
other: polyethylene glycol 400 to yield a suspension
Concentration / amount:
Intradermal induction: 1 % (= 4 mg test item/animal)
Topical induction: 25 % (=125 mg test item/animal)
Challenge: 25 % (125 mg test item/animal)
Challengeopen allclose all
Route:
intradermal
Vehicle:
other: polyethylene glycol 400 to yield a suspension
Concentration / amount:
Intradermal induction: 1 % (= 4 mg test item/animal)
Topical induction: 25 % (=125 mg test item/animal)
Challenge: 25 % (125 mg test item/animal)
No. of animals per dose:
Test group: 10
Control group: 5

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
25 %
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 25 %. No with. + reactions: 0.0. Total no. in groups: 10.0.
Reading:
1st reading
Hours after challenge:
48
Group:
test chemical
Dose level:
25 %
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 48.0. Group: test group. Dose level: 25 %. No with. + reactions: 0.0. Total no. in groups: 10.0.
Reading:
1st reading
Hours after challenge:
24
Group:
negative control
Dose level:
25 %
No. with + reactions:
0
Total no. in group:
5
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 24.0. Group: negative control. Dose level: 25 %. No with. + reactions: 0.0. Total no. in groups: 5.0.
Reading:
1st reading
Hours after challenge:
48
Group:
negative control
Dose level:
25 %
No. with + reactions:
0
Total no. in group:
5
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 25 %. No with. + reactions: 0.0. Total no. in groups: 5.0.

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU