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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:
1 (reliable without restriction)
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
GLP compliance:
yes (incl. certificate)
Remarks:
THE DEPARTMENT OF HEALTH OF THE GOVERNMENT OF THE UNITED KINGDOM
Type of method:
capillary viscometer (static)
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
182
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
57.6

Calibration check:

The experimental values during calibration with the reference substance are shown in the following tables:

For the viscometer used in the 20 °C determinations:

Determination

Temperature (°C)

Time (s)

Viscosity (mm2/s)

Mean Experimental Viscosity (mm2/s)

Certified Viscosity Standard Value (mm2/s)

A

25.0 ±0.5

308

99.8

99.8

99.5

B

25.0 ±0.5

308

99.8

For the viscometer used in the 40 °C determinations:

Determination

Temperature (°C)

Time (s)

Viscosity (mm2/s)

Mean Experimental Viscosity (mm2/s)

Certified Viscosity Standard Value (mm2/s)

A

25.0 ±0.5

519

49.8

49.8

50.6

B

25.0 ±0.5

519

49.8

Experimental values for test item:

Determination

Temperature (°C)

Time (s)

Viscosity (mm2/s)

Mean Viscosity (mm2/s)

A

20.0 ± 0.5

563

182

182

B

563

182

A

40.0 ± 0.5

600

57.6

57.6

B

600

57.6

Description of key information

182 mm²/s at 20 °C; 57.6 mm²/s at 40 °C (OECD 114, capillary method)

Key value for chemical safety assessment

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

Additional information