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Diss Factsheets

Physical & Chemical properties

Viscosity

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
DIN 51562 Part 1 (Viscometry - Measurement of kinematic viscosity by means of the Ubbelohde viscometer - Part 1: Viscometer specification and measurement procedure)
GLP compliance:
no
Remarks:
ISO 9001:2008
Type of method:
other: Ubbelohde viscometer
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
4.72

Test 1

Capillary tube: Ic

Correction factor: 0.02991

Measured time [s]

Mean value [s]

157

157

157

157

157

157

 

Calculation

Viscosity [mm2/s]

time (mean value) x correction factor = viscosity

4.6959

 

Test 2

Capillary tube: I

Correction factor: 0.009860

Measured time [s]

Mean value [s]

483

483

481

482

481

482

 

Calculation

Viscosity [mm2/s]

time (mean value) x correction factor = viscosity

4.7525

 

Viscosity at 20 °C [mm2/s]

4.72

Conclusions:
A measured viscosity value of 4.72 mm2/s at 20 °C was determined using a reliable test method conducted in accordance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.

Description of key information

Viscosity 4.72 mm2/s (DIN 51562)

Key value for chemical safety assessment

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

Additional information

A measured viscosity value of 4.72 mm2/s at 20 °C was determined for the substance in accordance with DIN 51562 and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.