Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 (non-LLNA)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.6 (Skin Sensitisation)
GLP compliance:
yes
Type of study:
guinea pig maximisation test

Test material

Constituent 1
Chemical structure
Reference substance name:
Iron (III) tris(4-methylbenzenesulfonate)
EC Number:
420-960-8
EC Name:
Iron (III) tris(4-methylbenzenesulfonate)
Cas Number:
77214-82-5
Molecular formula:
C21 H21 Fe O9 S3
IUPAC Name:
iron(3+) tris(4-methylbenzene-1-sulfonate)
Test material form:
solid: pellets

In vivo test system

Test animals

Species:
guinea pig
Strain:
other: Hsd Poc: DH
Sex:
male

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
intradermal and epicutaneous
Vehicle:
physiological saline
Concentration / amount:
Induction:
Intradermal: 2.5 % w/w in physiol. saline (0.1 mL)
Topic: 25 % w/w in physiol. saline (0.5 mL)
Challenge:
Topic: 12 % w/w in physiol. saline (0.5 mL)
Challengeopen allclose all
Route:
epicutaneous, semiocclusive
Vehicle:
physiological saline
Concentration / amount:
Induction:
Intradermal: 2.5 % w/w in physiol. saline (0.1 mL)
Topic: 25 % w/w in physiol. saline (0.5 mL)
Challenge:
Topic: 12 % w/w in physiol. saline (0.5 mL)
No. of animals per dose:
test group: 10
negative control group: 5

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
12 %
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 12 %. No with. + reactions: 0.0. Total no. in groups: 10.0.
Reading:
2nd reading
Hours after challenge:
48
Group:
negative control
Dose level:
12 %
No. with + reactions:
0
Total no. in group:
5
Remarks on result:
other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 12 %. No with. + reactions: 0.0. Total no. in groups: 5.0.

Any other information on results incl. tables

Signs of irritation during induction: none

Evidence of sensitisation of each challenge concentration: none

Other observations: none

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU