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Viscosity

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Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: ASTM D7042 - Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity)
GLP compliance:
not specified
Type of method:
rotational viscometer (dynamic)
Remarks:
The Stabinger Viscometer™ is a modification of the classic Couette-type rotational viscometer. [http://www.viscopedia.com/methods/measuring-principles/]
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
152.94
Temp.:
other: 70 °C
Parameter:
kinematic viscosity (in mm²/s)
Value:
17.16

The following table summarizes the results of the viscosity determination.

 

Temperature (°C)

40°C

100°C

Viscosity 1 (mm²/s)

152.93

17.17

Viscosity 2 (mm²/s)

152.95

17.15

Mean (mm²/s)

152.94

17.16

Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: ASTM D7042 - Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity)
GLP compliance:
not specified
Type of method:
rotational viscometer (dynamic)
Remarks:
The Stabinger Viscometer™ is a modification of the classic Couette-type rotational viscometer. [http://www.viscopedia.com/methods/measuring-principles/]
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
134.3
Temp.:
other: 70 °C
Parameter:
kinematic viscosity (in mm²/s)
Value:
16.41

The following table summarizes the results of the viscosity determination.

 

Temperature (°C)

40°C

100°C

Viscosity 1 (mm²/s)

134.31

16.40

Viscosity 2 (mm²/s)

134.30

16.41

Mean (mm²/s)

134.30

16.41

Description of key information

Kinematic viscosity range: 134.3 to 152.9 mm²/s at 40 °C (ASTM D7042, rotational viscometer)

Key value for chemical safety assessment

Additional information

The viscosity changes with the composition of the substance.

Experimental data are available for two compositions (named grade one and grade two). The following kinematic viscosities were determined for them:

Grade one: 152.94 mm²/s at 40 °C; 17.16 mm²/s at 70 °C

Grade two: 134.3 mm²/s at 40 °C; 16.41 mm²/s at 70 °C