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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
skin sensitisation: in vivo (LLNA)
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Justification for type of information:
Endpoint: Skin sensitation – Local Nymph Node Assay (LLNA)
Dependent variable: Ss
Model or submodel name: Nonlinear QSAR: ANN for classification of skin sensitization potential
Model version: 23.09.2009
descriptor domain All descriptor values for bis(3,4,6-trichloro-2-pentoxycarbonylphenyl) oxalate fall in the applicability domain (training set value ±30%).
The prediction reliability in terms of ATE Category is estimated as 86 %.

Data source

Reference
Reference Type:
other: QSAR
Title:
Skin sensitation (Local Nymph Node Assay) of bis(3,4,6-trichloro-2-pentoxycarbonylphenyl) oxalate. Non-linear QSAR (ANN) assessment.
Year:
2018
Bibliographic source:
Nonlinear QSAR: ANN for classification of skin sensitization potential Model version: 23.09.2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidane on CSA R.6

Test material

1
Chemical structure
Reference substance name:
Bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate
EC Number:
250-195-3
EC Name:
Bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate
Cas Number:
30431-54-0
Molecular formula:
C26H24Cl6O8
IUPAC Name:
pentyl 2,3,5-trichloro-6-[(2-oxo-2-{3,4,6-trichloro-2-[(pentyloxy)carbonyl]phenoxy}acetyl)oxy]benzoate

Results and discussion

In vivo (LLNA)

Results
Key result
Parameter:
other: Ss
Value:
0.37
Remarks on result:
positive indication of skin sensitisation based on QSAR/QSPR prediction

Applicant's summary and conclusion

Interpretation of results:
other: Moderate sensitizer