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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
1987
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report date:
1987

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: 84/449/EC, B6, according to the method of "Buehler".
Qualifier:
according to guideline
Guideline:
OECD Guideline 406 (Skin Sensitisation)
GLP compliance:
yes
Type of study:
Buehler test
Justification for non-LLNA method:
At the time of testing (1987), the LLNA method was not yet adopted as OECD Guideline and not yet identified as the standard information requirement.
For this reason the use of the guinea pig maximisation test (GPMT) was considered te be acceptable.

Test material

Constituent 1
Reference substance name:
A mixture of: hexyldioctylphosphineoxide; dihexyloctylphosphineoxide; trioctylphosphineoxide
IUPAC Name:
A mixture of: hexyldioctylphosphineoxide; dihexyloctylphosphineoxide; trioctylphosphineoxide
Test material form:
liquid: viscous

In vivo test system

Test animals

Species:
guinea pig
Strain:
Hartley
Sex:
male/female

Results and discussion

In vivo (non-LLNA)

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

Any other information on results incl. tables

Maximum concentration not causing irritating effects in preliminary test: 1 %

Signs of irritation during induction:
none

Other observations:
the testmaterial produced no positive response during the
induction or challenge phase of the study.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met