Registration Dossier
Registration Dossier
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EC number: 238-289-2 | CAS number: 14338-82-0
Dermal absorption
Administrative data
- Endpoint:
- dermal absorption
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: QSAR estimations for dermal absorption tend to be conservative; however, they are not formally validated
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Data source
Reference
- Reference Type:
- other: database
- Title:
- EpiSuite DermWin V2.02
- Author:
- US EPA
Materials and methods
- Principles of method if other than guideline:
- The US-EPA EpiSuite reports DERMWINv.2.02 calculations. These are based on the Guy & Potts formula (GUY R.H. AND POTTS R.O., 1992. Structure-Permeability Relationships in Percutaneous absorption. J. Pharm. Sci.. 81: 603-604).
- GLP compliance:
- no
Test material
- Reference substance name:
- Dibutyl methylenedithiodi(acetate)
- EC Number:
- 238-289-2
- EC Name:
- Dibutyl methylenedithiodi(acetate)
- Cas Number:
- 14338-82-0
- Molecular formula:
- C13H24O4S2
- IUPAC Name:
- butyl 2-({[(2-butoxy-2-oxoethyl)sulfanyl]methyl}sulfanyl)acetate
- Reference substance name:
- MBTester
- IUPAC Name:
- MBTester
Constituent 1
Constituent 2
Results and discussion
Percutaneous absorption
- Parameter:
- percentage
- Absorption:
- <= 10 %
- Remarks on result:
- other: 8 h
- Remarks:
- Concluded on the basis of the very low predicted absorption rate of 0.00003 mg/cm²/event.
Applicant's summary and conclusion
- Conclusions:
- It is concluded that absorption of MBTester through human skin in vivo within 8 h will be significantly less than 10%. This is a very conservative assumption and can be used for dermal risk assessments and setting of dermal DNELs.
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