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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Skin sensitisation

Currently viewing:

Administrative data

Endpoint:
skin sensitisation: in vivo (non-LLNA)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
according to EU method B.6

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.6 (Skin Sensitisation)
Version / remarks:
Directive 92/69/EEC
GLP compliance:
yes
Type of study:
guinea pig maximisation test
Justification for non-LLNA method:
study was performed in 1995

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
419-720-5
EC Name:
-
Cas Number:
182061-89-8
Molecular formula:
C25H26N9Na3O12S3
IUPAC Name:
trisodium 6-amino-5-{2-[4-({4-[bis(2-hydroxyethyl)amino]-6-[(2-sulfonatoethyl)amino]-1,3,5-triazin-2-yl}amino)-2-sulfonatophenyl]diazen-1-yl}-4-hydroxynaphthalene-2-sulfonate

In vivo test system

Test animals

Species:
guinea pig
Strain:
Dunkin-Hartley
Sex:
not specified

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
intradermal
Vehicle:
physiological saline
Concentration / amount:
10 %
Adequacy of induction:
other: highest concentration not giving rise to irritation effects in the preliminary test
Route:
other: topical application
Vehicle:
physiological saline
Concentration / amount:
10 %
Adequacy of induction:
other: highest concentration not giving rise to irritation effects in the preliminary test
Challengeopen allclose all
No.:
#1
Route:
other: no information available
Vehicle:
physiological saline
Concentration / amount:
5 %
Adequacy of challenge:
not specified
No.:
#2
Route:
other: no information available
Vehicle:
physiological saline
Concentration / amount:
1 %
Adequacy of challenge:
other: highest concentration not giving rise to irritation effects in the preliminary test
No. of animals per dose:
20 animals treatment group
10 animals control goup

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
5 %
No. with + reactions:
0
Total no. in group:
20
Clinical observations:
no clinical signs recorded
Remarks on result:
no indication of skin sensitisation
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
5 %
No. with + reactions:
0
Total no. in group:
20
Clinical observations:
no clinical signs recorded
Remarks on result:
no indication of skin sensitisation
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
1 %
No. with + reactions:
0
Total no. in group:
20
Clinical observations:
no clinical signs recorded
Remarks on result:
no indication of skin sensitisation
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
1 %
No. with + reactions:
0
Total no. in group:
20
Clinical observations:
no clinical signs recorded
Remarks on result:
no indication of skin sensitisation

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
no signs of sensitization observed