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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013

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:
Magnesium hexafluorosilicate hexahydrate
Cas Number:
18972-56-0
Molecular formula:
MgSiF6·6H2O
IUPAC Name:
Magnesium hexafluorosilicate hexahydrate

Test animals

Species:
other: Reconstructed Human Epidermis
Strain:
other: human derived epidermis keratinocytes as cell source and use of representative tissue and cytoarchitecture

Test system

Type of coverage:
open
Preparation of test site:
not specified
Vehicle:
unchanged (no vehicle)
Controls:
other: Control items
Amount / concentration applied:
20mg
Duration of treatment / exposure:
An exposure time of 15 ± 0.5 minutes was allowed in a ventilated cabinet at room temperature. At the end of the exposure, each tissue was rinsed with approximately 25 mL of sterile D-PBS
Observation period:
A 42 hour recovery period was allowed by incubation at 37°C, 5% CO2 and saturated humidity
Number of animals:
0
Details on study design:
Positive control item: 5% (w/v) sodium dodecyl sulphate (SDS) solution
Negative control item: D-PBS

Results and discussion

In vitro

Results
Irritation / corrosion parameter:
other: other: cell viability
Value:
ca. 88.5
Remarks on result:
other:
Remarks:
Basis: mean relative viability. Time point: no data. Max. score: 88.5. Reversibility: no data. (migrated information)

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU