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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:
from 2018-10-29 to 2019-01-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
Qualifier:
according to
Guideline:
DIN 53015 (Viscometry - Measurement of viscosity by means of the rolling ball viscometer by Höppler)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
other: falling ball viscometer (dynamic)
Standard covering the apparatus used:
DIN 53015
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.87
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.71
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
1.12
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
0.92

The dynamic viscosity of the test ttem was determined to be 0.87 mPa*sec at 20 °C and 0.71 mPa*sec at 40 °C.

The kinematic viscosity of the test item was calculated by dynamic viscosity/density to be 1.12 cSt (mm²/s) at 20 °C and to be 0.92 cSt (mm²/s) at 40 °C, respectively.

Conclusions:
The dynamic viscosity of the test item was determined to be 0.87 mPa*sec at 20 °C and 0.71 mPa*sec at 40 °C. The kinematic viscosity was calculated to be 1.12 cSt at 20 °C and 0.92 cSt at 40 °C.
Executive summary:

A study was conducted according to OECD test guideline 114 and DIN 53015 to determine the dynamic viscosity of the test item using the falling ball viscometer. The dynamic viscosity of the test item was determined to be 0.87 mPa*sec at 20 °C and 0.71 mPa*sec at 40 °C. The kinematic viscosity was calculated to be 1.12 cSt at 20 °C and 0.92 cSt at 40 °C.

Description of key information

The dynamic viscosity of the test item was determined to be 0.87 mPa*sec at 20 °C and 0.71 mPa*sec at 40 °C. The kinematic viscosity was calculated to be 1.12 cSt at 20 °C and 0.92 cSt at 40 °C.

Key value for chemical safety assessment

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

Additional information

A study was conducted according to OECD test guideline 114 and DIN 53015 to determine the dynamic viscosity of the test item using the falling ball viscometer. The dynamic viscosity of the test item was determined to be 0.87 mPa*sec at 20 °C and 0.71 mPa*sec at 40 °C. The kinematic viscosity was calculated to be 1.12 cSt at 20 °C and 0.92 cSt at 40 °C. In accordance with Regulation (EC) No 1272/2008, as amended for the twelfth time in Regulation (EU) 2019/521, the test item has to be classified for Aspiration hazard in Category 1, based on the measured kinematic viscosity at 40 °C, which was determined to be 0.92 mm²/s and is below the set threshold of 20.5 mm²/s in the CLP Regulation.