Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study according to EU/OECD-guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014

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:
7-fluoro-2,3-dihydro-1H-indol-2-one
EC Number:
676-237-4
Cas Number:
71294-03-6
Molecular formula:
C8H6FNO
IUPAC Name:
7-fluoro-2,3-dihydro-1H-indol-2-one

In vivo test system

Test animals

Species:
mouse
Strain:
CBA
Sex:
female

Study design: in vivo (LLNA)

Vehicle:
dimethyl sulphoxide
Concentration:
25, 10 and 5% (w/v) in DMSO
No. of animals per dose:
5
Positive control substance(s):
hexyl cinnamic aldehyde (CAS No 101-86-0)

Results and discussion

In vivo (LLNA)

Resultsopen allclose all
Parameter:
SI
Remarks on result:
other: see table
Parameter:
other: disintegrations per minute (DPM)
Remarks on result:
other: see table

Any other information on results incl. tables

 Test Group Name  Animal Number  DPM   Stimulation Index
Negative control (DMSO)   1 256.5  1.0
   2 151.5  
   3 174.5  
   4 82.5  
   5 207.5  
25% (w/v) in DMSO 6 341.5 2.2
  7 87.5  
  8 854.5  
  9 518.5  
  10 78.5  
 10% (w/v) in DMSO 11 186.5  1.5
  12 303.5  
  13 279.5  
  14 259.5  
  15  280.5  
 5% (w/v) in DMSO 16 568.5  1.2
  17 130.5  
  18 184.5  
  19 76.5  
  20 130.5  
 Positive control (25% HCA in DMSO) 21 3024.5  14.8
  22  2279.5  
  23 2542.5   
  24 2427.5  
  25 2663.5  

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 test item was shown to have no sensitization potential (non-sensitizer) in the Local
Lymph Node Assay.