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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Year:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: 92/69/EWG, B.6 (Bühler-Test)
GLP compliance:
yes
Type of study:
other: Traditional sensitisation test
Justification for non-LLNA method:
Traditional sensitisation test

Test material

Constituent 1
Chemical structure
Reference substance name:
2-mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl) isopropoxyiminoacetate
EC Number:
419-040-9
EC Name:
2-mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonyl) isopropoxyiminoacetate
Cas Number:
89604-92-2
Molecular formula:
C20H22N4O4S3
IUPAC Name:
tert-butyl 2-{[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylsulfanyl)-2-oxoethylidene]amino]oxy}-2-methylpropanoate

In vivo test system

Test animals

Species:
other: gpg

Study design: in vivo (non-LLNA)

Induction
Route:
other: not available
Vehicle:
petrolatum
Concentration / amount:
40%
Challenge
Route:
other: n.a.
Vehicle:
petrolatum
Concentration / amount:
40%
No. of animals per dose:
Number of animals in test group: 20
Number of animals in negative control group: 10

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
40%
No. with + reactions:
0
Total no. in group:
20
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
40%
No. with + reactions:
0
Total no. in group:
20
Reading:
1st reading
Hours after challenge:
24
Group:
negative control
Dose level:
40%
No. with + reactions:
0
Total no. in group:
10
Reading:
2nd reading
Hours after challenge:
48
Group:
negative control
Dose level:
40%
No. with + reactions:
0
Total no. in group:
10

Any other information on results incl. tables

Maximum concentration not causing irritating effects in preliminary test: 40 %

Signs of irritation during induction:

keine

"ENGLISH"

none

Evidence of sensitisation of each challenge concentration:

keine

"ENGLISH"

none

Other observations:

keine

"ENGLISH"

none

Applicant's summary and conclusion

Interpretation of results:
other: not classified