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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-09-16 to 2010-10-14
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
not specified
GLP compliance:
no
Type of method:
capillary viscometer (static)
Specific details on test material used for the study:
- Name as cites in study report: Polyetheramine D 230
- Color: colorless
- Lot/Batch number: 000STD77L0
- Test substance receipt: 2010-09-16
- Analytical Purity: 100%
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
10.9
Remarks on result:
other: Kinematic viscosity- mean of 2 determinations
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
10.3
Remarks on result:
other: Dynamic viscosity- mean of 2 determinations, with the density of the test substance of 0.9475 g/cm3
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
5.46
Remarks on result:
other: Kinematic viscosity- mean of 2 determinations
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
5.08
Remarks on result:
other: Dynamic viscosity- mean of 2 determinations, with the density of the test substance of 0.9306 g/cm3
Conclusions:
The kinematic viscosity of the test substance was found to be 10.9 mm2/s at 20 °C, and 5.46 mm2/s at 40 °C. The Dynamic viscosity of the test substance was calculated to be 10.3 mPa s at 20 °C, based on a density of 0.9475 g/cm3; and 5.08 mPa s at 40 °C, based on a density of 0.9306 g/cm3.

Description of key information

The kinematic viscosity of the test substance was found to be 10.9 mm2/s at 20 °C, and 5.46 mm2/s at 40 °C (BASF, 2010).

Key value for chemical safety assessment

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

Additional information

-The Kinematic viscosity of the test substance was found to be 10.9 mm2/s at 20 °C, and 5.46 mm2/s at 40 °C.

-The Dynamic viscosity of the test substance was calculated to be 10.3 mPa s at 20 °C, based on a density of 0.9475 g/cm3; and 5.08 mPa s at 40 °C, based on a density of 0.9306 g/cm3.

-The results are based on 2 determinations of each method at both 20 and 40 °C.