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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From February 6 to March 12, 2012.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test method according to CIPAC MT 75.3. GLP study.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
CIPAC MT 75 (Determination of pH Values)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Triacetoxyethylsilane
EC Number:
241-677-4
EC Name:
Triacetoxyethylsilane
Cas Number:
17689-77-9
Molecular formula:
C8H14O6Si
IUPAC Name:
ethylsilanetriyl triacetate
Details on test material:
- Name of test material (as cited in study report): Ethyltriacetoxysilane
- Physical state: liquid
- Analytical purity: 97.0%
- Lot/batch No.: 1000072847

Results and discussion

pH value
pH value:
2.77
Temp.:
20 °C

Any other information on results incl. tables

Results of pH determination of 1 % water solution:

Tested Material

pH Value

Average

pH Value

Test No. 1

Test No. 2

Ethyltriacetoxysilane

2.77

2.76

2.77

Applicant's summary and conclusion

Conclusions:
The pH value of ethylsilanetriyl triacetate at 20 ºC (1% water solution) is 2.77.
Executive summary:

The pH determination was performed in accordance with CIPAC Method MT 75.3T. The pH value of ethylsilanetriyl triacetate at 20 ºC (1% water solution) was 2.77.