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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015-06-12
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
capillary viscometer (static)
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
7.82
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
4.838

Table 1: Result

Temperature

20°C

40°C

1strun

264.35

507.22

2ndrun

263.84

507.56

3rdrun

263.91

507.47

4thrun

264.60

507.59

5thrun

263.92

507.48

Mean value of flow time [s]

264.124

507.464

Hagenbach correction [s]

0.024

0.041

Corrected flow time [s]

264.100

507.423

Viscosimeter constant [mm2s-2]

0,02961

0,009535

Kinematic viscosity [mm2s-1]

7.820

4.838

 

Conclusions:
Kinematic viscosity values of 7.82 at 20°C and 4.838 at 40°C were determined for the substance uisng a relevant test method. The result is considered to be reliable.

Description of key information

Viscosity: 7.820 mm2/s at 20°C, 4.838 mm2/s at 40°C (OECD 114)

Key value for chemical safety assessment

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

Additional information

Kinematic viscosity values of 7.820 mm2/s at 20°C and 4.838 mm2/s at 40°C were determined for the substance using a capillary viscometer in accordance with OECD 114 test method and in compliance with known quality system (ISO 17025). The result is considered to be reliable.

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