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Physical & Chemical properties

Viscosity

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Link to relevant study record(s)

Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12 July 2010 to 14 July 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to internationally accepted guidelines and to GLP.
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary viscometer (static)
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
29.7
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
13.6
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
27.6
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
12.7

Results

Test temperature (°C)

Viscometer size

Time of flow (s)

Viscosity

kinematic

(mm2.s-1)

dynamic

(mPa.s)

20

4

302.4

29.5

27.4

306.4

29.9

27.8

305.2

29.8

27.7

40

3

466.8

13.7

12.7

463.8

13.6

12.6

463.4

13.6

12.6
Conclusions:
The kinematic viscosity of Softanol 30 was found to be 29.7 mm2/s at 20°C and 13.6 mm2/s at 40°C.
The dynamic viscosity of Softanol 30 was found to be 27.6 mPa.s at 20°C and 12.7 mPa.s at 40°C.
Executive summary:

A study was performed to determine the viscosity of Softanol 30. The method followed is described in CIPAC MT 22 and the OECD Guidelines for Testing of Chemicals (Method 114). The kinematic viscosity of Softanol 30 was found to be 29.7 mm2/s at 20°C and

13.6 mm2/s at 40°C. The dynamic viscosity of Softanol 30 was found to be 27.6 mPa.s at 20°C and 12.7 mPa.s at 40°C.

Description of key information

The kinematic viscosity of Softanol 30 was found to be 29.7 mm2 s-1 at 20°C and  13.6 mm2 s-1 at 40°C.
The dynamic viscosity of Softanol 30  was found to be 27.6 mPa s at 20°C and 12.7 mPa s at 40°C.

Key value for chemical safety assessment

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

Additional information