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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: oral
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:
2021

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
yes
Test type:
acute toxic class method
Limit test:
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

Species:
rat
Strain:
Wistar
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
propylene glycol
Doses:
2000 mg/kg
No. of animals per sex per dose:
6
Control animals:
no

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
none
Clinical signs:
no systemic signs of toxicity.
Body weight:
All animals showed weight gain at the end of the study.
Gross pathology:
No macroscopic changes were observed.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The oral LD50 is > 2000 mg/kg.