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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-Mar-2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: DIN 51562
GLP compliance:
no
Type of method:
other: Ubbelohde viscosimeter
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
11.1

Results

Test: 1

Capillary tube: 1a

Correction factor 0.04980

Measured time [s]

Mean value (s)

217

217

217

217

217

217

 

Calculation

Viscosity (mm2/s)

time (mean value) x correction factor = viscosity

10.8

 

Test: 2

Capillary tube: Ic

Correction factor 0.02991

Measured time [s]

Mean value (s)

385

373

385

374

375

378.4

 

Calculation

Viscosity (mm2/s)

time (mean value) x correction factor = viscosity

11.3

 

Final result

Viscosity at 20 °C (mm2/s) = 11.1

Conclusions:
A static viscosity of 11.1 mm2/s at 20 °C was determined in a reliable study conducted according to an appropriate test protocol. It was not compliant with GLP.

Description of key information

11.1 mm²/s at 20°C (DIN 51562, Ubbelohde viscosimeter)

Key value for chemical safety assessment

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

Additional information