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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Study period:
3. february 2003 - 7. march 2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well documented and reported study, conducted according to internationally accepted technical guideline. A GLP compliance statement and a Quality Assurance Statement is included in the report.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 406 (Skin Sensitisation)
Deviations:
yes
Remarks:
Modified according to Maurer & Hess
GLP compliance:
yes (incl. QA statement)
Type of study:
guinea pig maximisation test

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(3-Guanidino-4-methyl-phenyl)-4-(4-methyl-piperazin-1-ylmethyl)-benzamide, dihydrochloride
Cas Number:
581076-67-7
Molecular formula:
Hill formula: C21 H30 Cl2 N6 O CAS formula: C21 H28 N6 O.2Cl H
IUPAC Name:
N-(3-Guanidino-4-methyl-phenyl)-4-(4-methyl-piperazin-1-ylmethyl)-benzamide, dihydrochloride
Details on test material:
Batch No.: 022401
expiration date: december 2003

In vivo test system

Test animals

Species:
guinea pig
Strain:
Dunkin-Hartley
Sex:
female

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
intradermal and epicutaneous
Vehicle:
physiological saline
Remarks:
white petrolatum was used as vehicle for the challenge exposure
Concentration / amount:
50 % (w/v) in white petrolatum for the first induction exposure
50 % (w/v) in white petrolatum for the second induction exposure
50 % (w/v) in white petrolatum for the challenge exposure
Challengeopen allclose all
Route:
epicutaneous, open
Vehicle:
physiological saline
Remarks:
white petrolatum was used as vehicle for the challenge exposure
Concentration / amount:
50 % (w/v) in white petrolatum for the first induction exposure
50 % (w/v) in white petrolatum for the second induction exposure
50 % (w/v) in white petrolatum for the challenge exposure
No. of animals per dose:
10 animals for the test substance group

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
10% (w/w)
No. with + reactions:
6
Total no. in group:
10
Clinical observations:
all animals had severe erythema and oedema in the interscapular region (scor 3).
Remarks on result:
other: see Remark
Remarks:
Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 10% (w/w). No with. + reactions: 6.0. Total no. in groups: 10.0. Clinical observations: all animals had severe erythema and oedema in the interscapular region (scor 3)..
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
50% (w/w)
No. with + reactions:
10
Total no. in group:
10
Remarks on result:
other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 50% (w/w). No with. + reactions: 10.0. Total no. in groups: 10.0.

Applicant's summary and conclusion

Interpretation of results:
sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
According to the results of this study and to the REGULATION (EC) No 1272/2008, the test substance needs to be labelled as a sensitizer,Category 1.