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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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)
Deviations:
no
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-chloro-3-nitrobenzoic acid
EC Number:
202-550-9
EC Name:
4-chloro-3-nitrobenzoic acid
Cas Number:
96-99-1
Molecular formula:
C7H4ClNO4
IUPAC Name:
4-chloro-3-nitrobenzoic acid
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

In vivo test system

Test animals

Species:
mouse
Strain:
CBA
Sex:
female

Study design: in vivo (LLNA)

Vehicle:
dimethylformamide
Concentration:
25% W/W
No. of animals per dose:
4

Results and discussion

In vivo (LLNA)

Resultsopen allclose all
Parameter:
SI
Remarks on result:
other: 11.18
Parameter:
other: disintegrations per minute (DPM)
Remarks on result:
other: 73921.80

Any other information on results incl. tables

Concentration (% w/w) in dimethyl formamide   dpm  dpm/Node  Stimulation Index  Result
 Vehicle  6614.86  826.86 Not applicable   Not applicable
 26415.80  3301.98  3.99  Positive
 10  39047.01  4880.88  5.90  Positive
 25  73921.80  9240.23  11.18  Positive

Applicant's summary and conclusion

Interpretation of results:
Category 1 (skin sensitising) based on GHS criteria
Remarks:
Migrated information
Conclusions:
The test material was considered to be a sensitiser under the conditions of the test.