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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 492 (Reconstructed Human Cornea-like Epithelium (RhCE) Test Method for Identifying Chemicals Not Requiring Classification and Labelling for Eye Irritation or Serious Eye Damage)
GLP compliance:
yes

Test material

1
Chemical structure
Reference substance name:
Hydrolysis product of chloro(dimethyl)octadecylsilane and silica gel
EC Number:
615-738-4
Cas Number:
72245-35-3
Molecular formula:
SiC20H43
IUPAC Name:
Hydrolysis product of chloro(dimethyl)octadecylsilane and silica gel

Test animals / tissue source

Species:
human
Details on test animals or tissues and environmental conditions:
Reconstructed human Cornea-like Epithelium

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent positive control
yes, concurrent negative control
Amount / concentration applied:
50 mg
Duration of treatment / exposure:
6 hours at 37 ± 1°C, 5 ± 1 % CO2
Number of animals or in vitro replicates:
2

Results and discussion

In vitro

Results
Irritation parameter:
percent tissue viability 
Value:
116.89
Vehicle controls validity:
not applicable
Negative controls validity:
valid
Positive controls validity:
valid

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
According to OECD 492:2019, under the test conditions applied, the test substance is considered as not requiring classification and labeling according to UN GHS (No category).