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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22 February 2001
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7100 (Viscosity)
Deviations:
no
GLP compliance:
yes
Type of method:
rotational viscometer (dynamic)
Key result
Temp.:
other: 10.0 °C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.53
Key result
Temp.:
other: 10.0 °C
Parameter:
kinematic viscosity (in mm²/s)
Value:
0.23
Key result
Temp.:
other: 30 °C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.45
Key result
Temp.:
other: 30 °C
Parameter:
kinematic viscosity (in mm²/s)
Value:
0.2

An ammendment provided showed that the capillary viscometer method was used because it was more appropriate than the Brookfield rotational viscometer method for the test material due to the low viscosity.

Conclusions:
Under the conditions of this study the viscosity of the test material at 10 °C was 0.23 mm^2 /sec (0.53 mPa sec) and at 30 °C was 0.20 mm^2/sec (0.45 mPa sec).
Executive summary:

The viscosity of the test material was determined in accordance with the standardised guideline OPPTS 830.7100, under GLP conditions.

Under the conditions of this study the viscosity of the test material at 10 °C was 0.23 mm^2 /sec (0.53 mPa sec) and at 30 °C was 0.20 mm^2/sec (0.45 mPa sec).

Description of key information

Under the conditions of this study the viscosity of the test material at 10 °C was 0.23 mm^2 /sec (0.53 mPa sec) and at 30 °C was 0.20 mm^2/sec (0.45 mPa sec).

Key value for chemical safety assessment

Viscosity:
0.45 mPa · s (dynamic)
at the temperature of:
30 °C

Additional information

The viscosity of the test material was determined in accordance with the standardised guideline OPPTS 830.7100, under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

Under the conditions of this study the viscosity of the test material at 10 °C was 0.23 mm^2 /sec (0.53 mPa sec) and at 30 °C was 0.20 mm^2/sec (0.45 mPa sec).