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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 (LLNA)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
GLP compliance:
yes (incl. QA statement)
Type of study:
mouse local lymph node assay (LLNA)

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(methylamino)-3-nitrobenzoic acid
EC Number:
609-904-5
Cas Number:
41263-74-5
Molecular formula:
C8 H8 N2 O4
IUPAC Name:
4-(methylamino)-3-nitrobenzoic acid

In vivo test system

Test animals

Species:
mouse
Strain:
CBA/Ca
Sex:
female

Study design: in vivo (LLNA)

Vehicle:
dimethyl sulphoxide
Concentration:
2.5, 5 or 10%
No. of animals per dose:
4
Positive control substance(s):
hexyl cinnamic aldehyde (CAS No 101-86-0)

Results and discussion

In vivo (LLNA)

Resultsopen allclose all
Key result
Parameter:
SI
Value:
0.88
Test group / Remarks:
2.5% group - no indication of sensitisation
Key result
Parameter:
SI
Value:
1.26
Test group / Remarks:
5% group - no indication of sensitisation
Key result
Parameter:
SI
Value:
0.96
Test group / Remarks:
10% group - no indication of sensitisation

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test material was considered to be a non-sensitizer under the conditions of the test.