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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: A study summary was made available by ECHA under Article 25, Para 3, of EC Regulation 1907/2006.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 406 and EC Diretive 92/69/CEE
Principles of method if other than guideline:
Magnusson and Kligman Maximisation test.
GLP compliance:
yes
Type of study:
guinea pig maximisation test

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2,6-bis(4-tolyl)-1,3-dioxano(5,4-d)-1,3-dioxan-4-yl)ethane-1,2-diol
EC Number:
402-950-5
EC Name:
1-(2,6-bis(4-tolyl)-1,3-dioxano(5,4-d)-1,3-dioxan-4-yl)ethane-1,2-diol
Cas Number:
87826-41-3
Molecular formula:
C22H26O6
IUPAC Name:
(1R)-1-[(4R,4aR,8aS)-2,6-bis(4-methylphenyl)-hexahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol

In vivo test system

Test animals

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

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
intradermal and epicutaneous
Vehicle:
paraffin oil
Concentration / amount:
Intradermal induction: 5% (P/P)
Topical induction: 10% (P/P)
Challenge: 10% (P/P)
Challengeopen allclose all
Route:
epicutaneous, semiocclusive
Vehicle:
paraffin oil
Concentration / amount:
Intradermal induction: 5% (P/P)
Topical induction: 10% (P/P)
Challenge: 10% (P/P)
No. of animals per dose:
20 test animals (10 males and 10 females)
Challenge controls:
10 negative control animals (five males and 5 females)

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
10% (P/P)
No. with + reactions:
0
Total no. in group:
20
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 10% (P/P). No with. + reactions: 0.0. Total no. in groups: 20.0.
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
10% (P/P)
No. with + reactions:
0
Total no. in group:
20
Remarks on result:
other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 10% (P/P). No with. + reactions: 0.0. Total no. in groups: 20.0.
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
10% (P/P)
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 10% (P/P). No with. + reactions: 0.0. Total no. in groups: 10.0.
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
10% (P/P)
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: 10% (P/P). No with. + reactions: 0.0. Total no. in groups: 10.0.

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The substance does not cause skin sensitisation in Guinea-pigs.