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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Remarks:
other: in chemico
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well documented GLP study, in-house validated procedure

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD guideline 442C (adopted 4 February 2015): In Chemico Skin Sensitisation: Direct Peptide Reactivity Assay (DPRA)
GLP compliance:
yes (incl. QA statement)
Remarks:
testing lab.
Type of study:
other: direct peptide reactivity assay

Test material

Constituent 1
Chemical structure
Reference substance name:
8-(benzoyloxy)naphthalen-1-yl benzoate
EC Number:
810-797-4
Cas Number:
331711-99-0
Molecular formula:
C24 H16 O4
IUPAC Name:
8-(benzoyloxy)naphthalen-1-yl benzoate
Details on test material:
- Name of test material (as cited in study report): Thane 003-6
- Analytical purity: approx. 98.153%
- Test substance No.: 13/0254-1
- Lot/batch No.: LJ-008-09-136

In vivo test system

Test animals

Species:
other: synthetic peptides (Cysteine- (C-) containing peptide: Ac-RFAACAA-COOH; Lysine- (K-) containing peptide: Ac-RFAAKAA-COOH)

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
other: peptide depletion (K-peptide)
Group:
test chemical
Dose level:
0.23
Remarks on result:
other: Reading: other: peptide depletion (K-peptide). Group: test group. Dose level: 0.23.
Reading:
other: peptide depletion (K-peptide)
Group:
negative control
Dose level:
0
Remarks on result:
other: Reading: other: peptide depletion (K-peptide). Group: negative control. Dose level: 0.
Reading:
other: peptide depletion (K-peptide)
Group:
positive control
Dose level:
16.89
Remarks on result:
other: Reading: other: peptide depletion (K-peptide). Group: positive control. Dose level: 16.89.
Reading:
other: peptide depletion (C-peptide)
Group:
test chemical
Dose level:
16.01
Remarks on result:
other: Reading: other: peptide depletion (C-peptide). Group: test group. Dose level: 16.01.
Reading:
other: peptide depletion (C-peptide)
Group:
negative control
Dose level:
0
Remarks on result:
other: Reading: other: peptide depletion (C-peptide). Group: negative control. Dose level: 0.
Reading:
other: peptide depletion (C-peptide)
Group:
positive control
Dose level:
69.69
Remarks on result:
other: Reading: other: peptide depletion (C-peptide). Group: positive control. Dose level: 69.69.

Any other information on results incl. tables

 

Cysteine-Peptide

Lysine-Peptide

Mean of both depletions (%)

Mean depletion (%)

SD

Mean depletion (%)

SD

Thane 003-6

16.01

4.43

0.23

0.55

8.12

PC: EGDMA in AC

69.69

9.83

16.89

0.85

43.29

PC: EGDMA in ACN

54.66

3.77

12.86

1.14

33.76

AC, acetone; ACN, acetonitrile; PC, postitive control

Applicant's summary and conclusion