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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay)
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:
N-{3',4'-dichloro-5-fluoro-[1,1'-biphenyl]-2-yl}acetamide
EC Number:
620-313-1
Cas Number:
877179-03-8
Molecular formula:
C14H10Cl2FNO
IUPAC Name:
N-{3',4'-dichloro-5-fluoro-[1,1'-biphenyl]-2-yl}acetamide
Test material form:
solid: particulate/powder

In vivo test system

Test animals

Species:
mouse
Strain:
NMRI
Sex:
female

Study design: in vivo (LLNA)

Vehicle:
dimethylformamide
Concentration:
100 , 50 , 25 %(w/v)
No. of animals per dose:
5
Positive control substance(s):
hexyl cinnamic aldehyde (CAS No 101-86-0)

Results and discussion

Positive control results:
A significant lymphoproliferative response (stimulation index value of 10.3) was noted for the positive control chemical and this result confirmed the validity of the assay.

In vivo (LLNA)

Resultsopen allclose all
Parameter:
SI
Value:
1
Test group / Remarks:
Negative control
Key result
Parameter:
SI
Value:
0.7
Test group / Remarks:
100 (w/v) %
Key result
Parameter:
SI
Value:
2.1
Test group / Remarks:
50 (w/v) %
Key result
Parameter:
SI
Value:
1.2
Test group / Remarks:
25 (w/v) %
Parameter:
SI
Value:
10.3
Test group / Remarks:
Positive control

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
In conclusion, under the conditions of the present assay the substance was shown to have no sensitization potential (non-sensitizer) in the Local Lymph Node Assay.