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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin irritation: in vitro / ex vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 439 (In Vitro Skin Irritation: Reconstructed Human Epidermis Test Method)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
6,6'-(1-phenylethane-1,2-diyl)bis(6H-dibenzo[c,e][1,2]oxaphosphinine) 6,6'-dioxide
EC Number:
823-458-0
Cas Number:
1631149-46-6
Molecular formula:
C32H24O4P2
IUPAC Name:
6,6'-(1-phenylethane-1,2-diyl)bis(6H-dibenzo[c,e][1,2]oxaphosphinine) 6,6'-dioxide
Test material form:
solid: particulate/powder

In vitro test system

Test system:
human skin model
Source species:
human
Cell type:
other: RECONSTRUCTED HUMAN EPIDERMIS 0.5 cm2 reconstructed epidermal of normal human keratinocytes
Cell source:
other: The inserts (SkinEthicTM RHE or RHE) supplied by SkinEthic.
Control samples:
yes, concurrent negative control
yes, concurrent positive control

Test animals

Species:
other: reconstructed human epidermis

Test system

Type of coverage:
not specified
Controls:
yes, concurrent positive control
yes, concurrent negative control

Results and discussion

In vitro

Results
Irritation / corrosion parameter:
% tissue viability
Value:
ca. 75.12
Positive controls validity:
valid

Applicant's summary and conclusion

Conclusions:
According to OECD 439:2015, under the test conditions applied, the test substance is considered NON IRRITAN.