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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V B.6
GLP compliance:
yes
Type of study:
not specified
Justification for non-LLNA method:
not available

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
445-510-8
EC Name:
-
Molecular formula:
C26H32O4
IUPAC Name:
Reaction mass of 2-hydroxy-1-{3-[4-(2-hydroxy-2-methylpropanoyl)phenyl]-1,1,3-trimethyl-2,3-dihydro-1H-inden-5-yl}-2-methylpropan-1-one and 2-hydroxy-1-{1-[4-(2-hydroxy-2-methylpropanoyl)phenyl]-1,3,3-trimethyl-2,3-dihydro-1H-inden-5-yl}-2-methylpropan-1-one

In vivo test system

Test animals

Species:
other: Albino Hartley Guinea pig

Study design: in vivo (non-LLNA)

No. of animals per dose:
Number of animals in test group: 10
Number of animals in negative control group: 5

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
15%
No. with + reactions:
0
Total no. in group:
10
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
15%
No. with + reactions:
0
Total no. in group:
10
Clinical observations:
14
Reading:
1st reading
Hours after challenge:
24
Group:
negative control
Dose level:
0%
No. with + reactions:
0
Total no. in group:
5
Reading:
2nd reading
Hours after challenge:
48
Group:
negative control
Dose level:
0%
No. with + reactions:
0
Total no. in group:
5

Any other information on results incl. tables

Maximum concentration not causing irritating effects in preliminary test: 15 % Signs of irritation during induction: Slight erythema (topical induction) was observed during epicutaneous applications Evidence of sensitisation of each challenge concentration: No evidence on sensititation was noted

Applicant's summary and conclusion

Interpretation of results:
other: not classified