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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:
04 March 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Version / remarks:
2012
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7100 (Viscosity)
Version / remarks:
1996
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 3104 (Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity)
Version / remarks:
1994
Deviations:
no
Qualifier:
according to guideline
Guideline:
ASTM D-445 (Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
Version / remarks:
2009
Deviations:
no
GLP compliance:
yes
Type of method:
capillary viscometer (static)
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
33 942
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
1 614

 Table: Viscosity results

Temperature
[°C]

Test

Calibration constant [mm2/s2]

Flow time
[s]

Kinematic viscosity
[mm2/s]

Mean
[mm2/s]

 

 

 

 

 

 

20 (1)

I

47.98

672.6

32271

33942

 

II

47.98

742.3

35613

 

 

 

 

 

 

 

40

I

0.9067

1742.1

1580

1614

 

II

0.9067

1817.2

1648

 

 

 

 

 

 

 

 

(1) Small crystals were observed to be forming during the measurements. This could indicate a solidification of the sample.

 

Conclusions:
The kinematic viscosity at 20°C and 40°C was determined to be 33942 mm2/s and 1614 mm2/s, resp.
Executive summary:

The kinematic viscosity of the substance was determined using the capillary viscometer method in a GLP study according to OECD 114, ISO 3104, OPPTS 830.7100 and ASTM D-445. The kinematic viscosity at 20°C and 40°C was determined to be 33942 mm2/s and 1614 mm2/s, resp.

Description of key information

Kinematic viscosity at 20°C: 33942 mm2/s

Kinematic viscosity at 40°C: 1614 mm2/s

Key value for chemical safety assessment

Viscosity:
33 942 mm²/s (static)
at the temperature of:
20 °C

Additional information

Method used: capillary viscometer (OECD 114, ISO 3104, OPPTS 830.7100 and ASTM D-445)