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Physical & Chemical properties

Viscosity

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Endpoint:
viscosity
Type of information:
(Q)SAR
Adequacy of study:
key study
Study period:
2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Principles of method if other than guideline:
The result was obtained using an appropriate QSAR method (see attached QMRF and QPRF for details).
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
0.8
Conclusions:
The static viscosity of the test substance was calculated to be 0.8 mm²/s at 20°C. The result is considered reliable.
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Qualifier:
according to
Guideline:
other: DIN 53015
Deviations:
not specified
Qualifier:
equivalent or similar to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
GLP compliance:
not specified
Type of method:
forced ball viscometer (dynamic)
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.6
Conclusions:
A dynamic viscosity of 0.6 mPas at 20 °C is reported in secondary literature (MSDS). The original reference was not available for review and no further information is available. The reliability of this result is not assignable.

Description of key information

Viscosity (triethoxy(methyl)silane: 0.8 mm²/s at 20°C, static, (QSAR)

Key value for chemical safety assessment

Viscosity:
0.8 mm²/s (static)

Additional information

A dynamic viscosity value of 0.8 mm²/s at 20°C (static) was determined for the parent substance using an accepted calculation method (QSAR). This is supported by a measured value of 0.6 mPa s (dynamic).