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Diss Factsheets

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)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Version / remarks:
2012
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary viscometer (static)
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
2.19
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
1.36

Table 1: test substance kinematic viscosity measurements

Determination

Temperature (°C)

Flow Time (s)

Viscosity (mm2/s)

Mean viscosity (mm2/s)

A

20 ± 0.5

776

2.19

2.19

B

770

2.18

A

40 ± 0.5

481

1.36

1.36

B

483

1.37

Conclusions:
The kinematic viscosity of the substance was determined to be 2.19 mm2/s at 20 °C and 1.36 mm2/s at 40 °C.
Executive summary:

The kinematic viscosity of the substance was determined under GLP in accordance with OECD TG 114 using a capillary viscometer method and measuring the time of flow for the test substance through a capillary of known dimensions. The validity of the certified capillary viscometer was confirmed by analysis of a certified reference viscosity standard showing an accuracy of ± 4% within the defined tolerance. Duplicate determinations of the kinematic viscosity were performed for the substance at 20.0 ± 0.5 °C and 40.0 ± 0.5 °C. The mean kinematic viscosity was 2.19 mm2/s at 20 °C and 1.36 mm2/s at 40 °C.

Description of key information

Kinematic viscosity = 1.36 mm2/s at 40 °C (OECD TG 114, GLP)

Key value for chemical safety assessment

Viscosity:
1.36 mm²/s (static)
at the temperature of:
40 °C

Additional information