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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:
2015-03-25
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
according to guideline
Guideline:
other: Plastics - Polymers/resins in the liquid state or as emulsions or dispersions - Determination of viscosity using a rotational viscometer with defined shear rate (ISO 3219:1994)
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
no
Remarks:
The study was conducted under GLP equivalent conditions. The study was conducted under supervision of a quality assurance unit which had ensured e.g. instrumentation validation, reagent/materials certification, analyst certification and providing SOPs.
Type of method:
rotational viscometer (dynamic)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
7.81
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
7.97
Remarks on result:
other: calculated using density of 0.98 g/mL
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
4.18
Conclusions:
The dynamic viscosity at 20 °C was determined to be 7.81 mPa*s at 20 °C and 4.18 mPa*s at 40 °C respectively.
Executive summary:

A study was conducted according to EN ISO 3219 (1994) and similar to OECD TG 114 to determine the dynamic viscosity at 20 and 40 °C respectively using a rotational viscometer with defined shear rate. The viscosity was at 20 and 40 °C was determined as mean value of three individual measurements. The dynamic viscosity was determined to be 7.81 mPa*s at 20 °C and 4.18 mPa*s at 40 °C respectively.

Description of key information

The dynamic viscosity at 20 °C was determined to be 7.81 mPa*s at 20 °C and 4.18 mPa*s at 40 °C respectively.

Key value for chemical safety assessment

Viscosity:
7.81 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

A study was conducted according to EN ISO 3219 (1994) and similar to OECD TG 114 to determine the dynamic viscosity at 20 and 40 °C respectively using a rotational viscometer with defined shear rate. The dynamic viscosity was determined to be 7.81 mPa*s at 20 °C and 4.18 mPa*s at 40 °C respectively.