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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Dermal absorption

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Administrative data

Endpoint:
dermal absorption in vivo
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study conducted on read-across material
Justification for type of information:
Read-across to structurally similar substance.
Cross-reference
Reason / purpose for cross-reference:
read-across source
Reference
Endpoint:
dermal absorption in vivo
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
other: read-across target
Qualifier:
according to guideline
Guideline:
other: OECD 402
Deviations:
yes
Remarks:
Additional determination of dermal absorption of the test item (DOTL)
Principles of method if other than guideline:
Additional determination of dermal absorption of the test item (DOTL), via Sn in plasma
GLP compliance:
yes
Radiolabelling:
no
Species:
rat
Strain:
Wistar
Sex:
male/female
Type of coverage:
semiocclusive
Vehicle:
unchanged (no vehicle)
Duration of exposure:
24h
Doses:
2000 mg/kg bw
No. of animals per group:
5 female, 5 male
Control animals:
no
Signs and symptoms of toxicity:
no effects
Dermal irritation:
no effects
Key result
Time point:
3 h
Dose:
2000 mg/kg
Parameter:
percentage
Absorption:
0 %
Key result
Time point:
24 h
Dose:
2000 mg/kg
Parameter:
percentage
Absorption:
0 %
Conversion factor human vs. animal skin:
Not relevant, since no absorption was detected
Conclusions:
The study proves, that no Dioctyltin dilaurate has been absorbed via the dermal route.

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Diisooctyl 2,2'-[(dioctylstannylene)bis(thio)]diacetate
EC Number:
247-666-0
EC Name:
Diisooctyl 2,2'-[(dioctylstannylene)bis(thio)]diacetate
Cas Number:
26401-97-8
Molecular formula:
C36-H72-O4-S2-Sn
IUPAC Name:
6-methylheptyl 14-methyl-4,4-dioctyl-7-oxo-8-oxa-3,5-dithia-4-stannapentadecan-1-oate

Results and discussion

Percutaneous absorptionopen allclose all
Key result
Time point:
3 h
Dose:
2000 mg/kg
Parameter:
percentage
Absorption:
0 %
Key result
Time point:
24 h
Dose:
2000 mg/kg
Parameter:
percentage
Absorption:
0 %

Applicant's summary and conclusion