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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study with acceptable restrictions (e.g. non-GLP)
Qualifier:
equivalent or similar to
Guideline:
ASTM D-445 (Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
GLP compliance:
yes
Other quality assurance:
other: DIN EN ISO 90001:2008, 14001:2005
Type of method:
capillary viscometer (static)
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
14.19

The dynamic viscosity was calculated from the arithmetic mean of the kinematic viscosity (2 replicates) based on the density of the test item:

  Kinematic visosity      Density nD420  Dynamic Viscosity
   1. measurement  2. measurement    
 20 °C  17.19 mm²/s 17.14 mm²/s    0.8264 g/cm³ 14.19 mPa s 
 40 °C  7.850 mm³/s 7.830 mm²/s   
Conclusions:
Dynamic viscosity is 14.19 mPa s at 20°C.
Executive summary:

Viscosity was determined using the capillary viscosimeter method (kinematic viscosity; ASTM D 445; mean of two determinations) at 20°C:

kinematic viscosities of 17.19 and 17.14 mm²/s at 20°C, corresponding to a dynamic viscosity of 14.19 mPa s.

Description of key information

Dynamic viscosity, calculated from the kinematic viscosity and the density of the substance, according to ASTM D 445: 14.19 mPa s at 20 °C.

Key value for chemical safety assessment

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

Additional information

The kinematic viscosity was determined according to ASTM D 455. Two replicate measurements were performed, resulting in a mean kinematic viscosity of 17.17 mm²/s. Based on the density of the substance of 0.8264 g/cm³, the dynamic visosity was determined to be 14.19 mPa s.