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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
skin sensitisation: in vivo (LLNA)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: acceptable, well-documented publication which meets basic sientific principles

Data source

Reference
Reference Type:
publication
Title:
Skin sensitization potency and cross-reactivity of p-phenylenediamine and its derivatives evaluated by non-radioactive murine local lymph node assay and guinea-pig maximization test
Author:
Yamado, T. et al.
Year:
2009
Bibliographic source:
Contact Dermatitis 60, 193-198

Materials and methods

Principles of method if other than guideline:
other: non-radioactive Mouse local lymphnode assay (LLNA) method according to Yamano et al (2003) Toxicology 190, 259-266
GLP compliance:
not specified
Type of study:
mouse local lymph node assay (LLNA)

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(4-aminophenyl)aniline
EC Number:
202-951-9
EC Name:
N-(4-aminophenyl)aniline
Cas Number:
101-54-2
Molecular formula:
C12H12N2
IUPAC Name:
N1-phenylbenzene-1,4-diamine
Details on test material:
purchased from Tokyo Kasei Co. Ltd.

In vivo test system

Test animals

Species:
mouse
Strain:
Balb/c
Sex:
female

Study design: in vivo (LLNA)

Concentration:
0, 0.01, 0.03, 0.1, 0.3%
No. of animals per dose:
4 per per group

Results and discussion

In vivo (LLNA)

Results
Parameter:
SI
Remarks on result:
other: 1, 1.1, 1.68*, 1.82*, 2.25** at 0%, 0.01%, 0.03%, 0.1% and 0.3% respectively (significant different from control:* p<0.05, ** p<0.01)

Any other information on results incl. tables

The test substance was a potent sensitizer in the LLNA with a minimum induction dose of 0.03%

Applicant's summary and conclusion

Interpretation of results:
sensitising
Remarks:
Migrated information