Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
dermal absorption
Type of information:
(Q)SAR
Adequacy of study:
supporting study
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: QSAR model
Title:
DermWin v 2.01
Author:
US Environmental Protection Agency
Year:
2011
Bibliographic source:
EPI Suite

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
QSAR model

Test material

Constituent 1
Chemical structure
Reference substance name:
methyl (2R)-4-(dimethylcarbamoyl)-2-methylbutanoate; methyl (2S)-4-(dimethylcarbamoyl)-2-methylbutanoate
EC Number:
700-204-6
Cas Number:
1174627-68-9
Molecular formula:
C9H17NO3
IUPAC Name:
methyl (2R)-4-(dimethylcarbamoyl)-2-methylbutanoate; methyl (2S)-4-(dimethylcarbamoyl)-2-methylbutanoate

Results and discussion

Absorption in different matrices:
Skin penetration constant (Kp) (estimated): 0.000253 cm/hr

Any other information on results incl. tables

Results:

GENERAL Equation:  log Kp = -2.80 + 0.66 log Kow - 0.0056 MW

   Kp (predicted): 2.53e-004 cm/hr

 

Dermally Absorbed Dose per Event for Organic Compounds - Water Contact:

  Water Conc (mg/cm3): 24 (estimated by program)

  Fraction Absorbed : 1.0000

 

  DA(event): 1.37e-002 mg/cm2-event (using eqn 3.2 & 3.3)

                  (tau = 1.2 hr, t* = 2.87 hr)

 

Dermally Absorbed Dose (70 kg Adult) - Water Contact:

  DAD: 1.45e+000 mg/kg-day (using eqn 3.1)

Applicant's summary and conclusion

Conclusions:
The dermal permeability of Rhodiasolv Polarclean is predicted to be relatively low.
Executive summary:

The DERMWIN model, part of the US EPA EPIWIN Suite, estimated the skin penetration constant (Kp) to be 0.000253 cm/hr.