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Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
April 2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
equivalent or similar to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Version / remarks:
2012
GLP compliance:
no
Type of method:
rotational viscometer (dynamic)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
10
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Remarks on result:
not determinable because of methodological limitations

At 40°C the product started to evaporate on the edges of the cone (cone plate rheometer) hence it thickened.

Therefore the dynamic viscosity could not be determined at the CLP relevant temperature.

Conclusions:
The dynamic viscosity of the substance at 20°C was determined to be 10 mPa s, by means of rotational viscosimetry.
Executive summary:

The dynamic viscosity of the substance at 20°C was determined to be 10 mPa s, by means of rotational viscosimetry. At 40°C the product started to evaporate on the edges of the cone (cone plate rheometer) hence it thickened. Therefore the dynamic viscosity could not be determined at the CLP relevant temperature.

Description of key information

The dynamic viscosity of the substance at 20°C was determined to be 10 mPa s, by means of rotational viscosimetry. At 40°C the product started to evaporate on the edges of the cone (cone plate rheometer) hence it thickened. Therefore the dynamic viscosity could not be determined at the CLP relevant temperature.

Key value for chemical safety assessment

Viscosity:
10 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

Not possible to determine a dynamic viscosity value at 40°C due to methodological limitations.